diff options
476 files changed, 2588 insertions, 2879 deletions
diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index d819ba16a0c7..4fca82e5276e 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -37,15 +37,15 @@ d_manage: no no yes (ref-walk) maybe --------------------------- inode_operations --------------------------- prototypes: - int (*create) (struct inode *,struct dentry *,int, struct nameidata *); + int (*create) (struct inode *,struct dentry *,umode_t, struct nameidata *); struct dentry * (*lookup) (struct inode *,struct dentry *, struct nameid ata *); int (*link) (struct dentry *,struct inode *,struct dentry *); int (*unlink) (struct inode *,struct dentry *); int (*symlink) (struct inode *,struct dentry *,const char *); - int (*mkdir) (struct inode *,struct dentry *,int); + int (*mkdir) (struct inode *,struct dentry *,umode_t); int (*rmdir) (struct inode *,struct dentry *); - int (*mknod) (struct inode *,struct dentry *,int,dev_t); + int (*mknod) (struct inode *,struct dentry *,umode_t,dev_t); int (*rename) (struct inode *, struct dentry *, struct inode *, struct dentry *); int (*readlink) (struct dentry *, char __user *,int); @@ -117,7 +117,7 @@ prototypes: int (*statfs) (struct dentry *, struct kstatfs *); int (*remount_fs) (struct super_block *, int *, char *); void (*umount_begin) (struct super_block *); - int (*show_options)(struct seq_file *, struct vfsmount *); + int (*show_options)(struct seq_file *, struct dentry *); ssize_t (*quota_read)(struct super_block *, int, char *, size_t, loff_t); ssize_t (*quota_write)(struct super_block *, int, const char *, size_t, loff_t); int (*bdev_try_to_free_page)(struct super_block*, struct page*, gfp_t); diff --git a/Documentation/filesystems/configfs/configfs.txt b/Documentation/filesystems/configfs/configfs.txt index dd57bb6bb390..b40fec9d3f53 100644 --- a/Documentation/filesystems/configfs/configfs.txt +++ b/Documentation/filesystems/configfs/configfs.txt @@ -192,7 +192,7 @@ attribute value uses the store_attribute() method. struct configfs_attribute { char *ca_name; struct module *ca_owner; - mode_t ca_mode; + umode_t ca_mode; }; When a config_item wants an attribute to appear as a file in the item's diff --git a/Documentation/filesystems/debugfs.txt b/Documentation/filesystems/debugfs.txt index f04066a37f4c..6872c91bce35 100644 --- a/Documentation/filesystems/debugfs.txt +++ b/Documentation/filesystems/debugfs.txt @@ -35,7 +35,7 @@ described below will work. The most general way to create a file within a debugfs directory is with: - struct dentry *debugfs_create_file(const char *name, mode_t mode, + struct dentry *debugfs_create_file(const char *name, umode_t mode, struct dentry *parent, void *data, const struct file_operations *fops); @@ -53,13 +53,13 @@ actually necessary; the debugfs code provides a number of helper functions for simple situations. Files containing a single integer value can be created with any of: - struct dentry *debugfs_create_u8(const char *name, mode_t mode, + struct dentry *debugfs_create_u8(const char *name, umode_t mode, struct dentry *parent, u8 *value); - struct dentry *debugfs_create_u16(const char *name, mode_t mode, + struct dentry *debugfs_create_u16(const char *name, umode_t mode, struct dentry *parent, u16 *value); - struct dentry *debugfs_create_u32(const char *name, mode_t mode, + struct dentry *debugfs_create_u32(const char *name, umode_t mode, struct dentry *parent, u32 *value); - struct dentry *debugfs_create_u64(const char *name, mode_t mode, + struct dentry *debugfs_create_u64(const char *name, umode_t mode, struct dentry *parent, u64 *value); These files support both reading and writing the given value; if a specific @@ -67,13 +67,13 @@ file should not be written to, simply set the mode bits accordingly. The values in these files are in decimal; if hexadecimal is more appropriate, the following functions can be used instead: - struct dentry *debugfs_create_x8(const char *name, mode_t mode, + struct dentry *debugfs_create_x8(const char *name, umode_t mode, struct dentry *parent, u8 *value); - struct dentry *debugfs_create_x16(const char *name, mode_t mode, + struct dentry *debugfs_create_x16(const char *name, umode_t mode, struct dentry *parent, u16 *value); - struct dentry *debugfs_create_x32(const char *name, mode_t mode, + struct dentry *debugfs_create_x32(const char *name, umode_t mode, struct dentry *parent, u32 *value); - struct dentry *debugfs_create_x64(const char *name, mode_t mode, + struct dentry *debugfs_create_x64(const char *name, umode_t mode, struct dentry *parent, u64 *value); These functions are useful as long as the developer knows the size of the @@ -81,7 +81,7 @@ value to be exported. Some types can have different widths on different architectures, though, complicating the situation somewhat. There is a function meant to help out in one special case: - struct dentry *debugfs_create_size_t(const char *name, mode_t mode, + struct dentry *debugfs_create_size_t(const char *name, umode_t mode, struct dentry *parent, size_t *value); @@ -90,7 +90,7 @@ a variable of type size_t. Boolean values can be placed in debugfs with: - struct dentry *debugfs_create_bool(const char *name, mode_t mode, + struct dentry *debugfs_create_bool(const char *name, umode_t mode, struct dentry *parent, u32 *value); A read on the resulting file will yield either Y (for non-zero values) or @@ -105,7 +105,7 @@ this structure and function: unsigned long size; }; - struct dentry *debugfs_create_blob(const char *name, mode_t mode, + struct dentry *debugfs_create_blob(const char *name, umode_t mode, struct dentry *parent, struct debugfs_blob_wrapper *blob); diff --git a/Documentation/filesystems/sysfs.txt b/Documentation/filesystems/sysfs.txt index 07235caec22c..a6619b7064b9 100644 --- a/Documentation/filesystems/sysfs.txt +++ b/Documentation/filesystems/sysfs.txt @@ -70,7 +70,7 @@ An attribute definition is simply: struct attribute { char * name; struct module *owner; - mode_t mode; + umode_t mode; }; diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt index 43cbd0821721..3d9393b845b8 100644 --- a/Documentation/filesystems/vfs.txt +++ b/Documentation/filesystems/vfs.txt @@ -225,7 +225,7 @@ struct super_operations { void (*clear_inode) (struct inode *); void (*umount_begin) (struct super_block *); - int (*show_options)(struct seq_file *, struct vfsmount *); + int (*show_options)(struct seq_file *, struct dentry *); ssize_t (*quota_read)(struct super_block *, int, char *, size_t, loff_t); ssize_t (*quota_write)(struct super_block *, int, const char *, size_t, loff_t); @@ -341,14 +341,14 @@ This describes how the VFS can manipulate an inode in your filesystem. As of kernel 2.6.22, the following members are defined: struct inode_operations { - int (*create) (struct inode *,struct dentry *,int, struct nameidata *); + int (*create) (struct inode *,struct dentry *, umode_t, struct nameidata *); struct dentry * (*lookup) (struct inode *,struct dentry *, struct nameidata *); int (*link) (struct dentry *,struct inode *,struct dentry *); int (*unlink) (struct inode *,struct dentry *); int (*symlink) (struct inode *,struct dentry *,const char *); - int (*mkdir) (struct inode *,struct dentry *,int); + int (*mkdir) (struct inode *,struct dentry *,umode_t); int (*rmdir) (struct inode *,struct dentry *); - int (*mknod) (struct inode *,struct dentry *,int,dev_t); + int (*mknod) (struct inode *,struct dentry *,umode_t,dev_t); int (*rename) (struct inode *, struct dentry *, struct inode *, struct dentry *); int (*readlink) (struct dentry *, char __user *,int); diff --git a/arch/alpha/include/asm/ipcbuf.h b/arch/alpha/include/asm/ipcbuf.h index d9c0e1a50702..84c7e51cb6d0 100644 --- a/arch/alpha/include/asm/ipcbuf.h +++ b/arch/alpha/include/asm/ipcbuf.h @@ -1,28 +1 @@ -#ifndef _ALPHA_IPCBUF_H -#define _ALPHA_IPCBUF_H - -/* - * The ipc64_perm structure for alpha architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 32-bit seq - * - 2 miscellaneous 64-bit values - */ - -struct ipc64_perm -{ - __kernel_key_t key; - __kernel_uid_t uid; - __kernel_gid_t gid; - __kernel_uid_t cuid; - __kernel_gid_t cgid; - __kernel_mode_t mode; - unsigned short seq; - unsigned short __pad1; - unsigned long __unused1; - unsigned long __unused2; -}; - -#endif /* _ALPHA_IPCBUF_H */ +#include <asm-generic/ipcbuf.h> diff --git a/arch/alpha/include/asm/types.h b/arch/alpha/include/asm/types.h index 881544339c21..0a0579076f4a 100644 --- a/arch/alpha/include/asm/types.h +++ b/arch/alpha/include/asm/types.h @@ -15,9 +15,4 @@ #include <asm-generic/int-l64.h> #endif -#ifndef __ASSEMBLY__ - -typedef unsigned int umode_t; - -#endif /* __ASSEMBLY__ */ #endif /* _ALPHA_TYPES_H */ diff --git a/arch/arm/include/asm/ipcbuf.h b/arch/arm/include/asm/ipcbuf.h index 97683975f7df..84c7e51cb6d0 100644 --- a/arch/arm/include/asm/ipcbuf.h +++ b/arch/arm/include/asm/ipcbuf.h @@ -1,29 +1 @@ -#ifndef __ASMARM_IPCBUF_H -#define __ASMARM_IPCBUF_H - -/* - * The ipc64_perm structure for arm architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 32-bit mode_t and seq - * - 2 miscellaneous 32-bit values - */ - -struct ipc64_perm -{ - __kernel_key_t key; - __kernel_uid32_t uid; - __kernel_gid32_t gid; - __kernel_uid32_t cuid; - __kernel_gid32_t cgid; - __kernel_mode_t mode; - unsigned short __pad1; - unsigned short seq; - unsigned short __pad2; - unsigned long __unused1; - unsigned long __unused2; -}; - -#endif /* __ASMARM_IPCBUF_H */ +#include <asm-generic/ipcbuf.h> diff --git a/arch/arm/include/asm/types.h b/arch/arm/include/asm/types.h index 48192ac3a23a..28beab917ffc 100644 --- a/arch/arm/include/asm/types.h +++ b/arch/arm/include/asm/types.h @@ -3,12 +3,6 @@ #include <asm-generic/int-ll64.h> -#ifndef __ASSEMBLY__ - -typedef unsigned short umode_t; - -#endif /* __ASSEMBLY__ */ - /* * These aren't exported outside the kernel to avoid name space clashes */ diff --git a/arch/arm/mach-msm/smd_debug.c b/arch/arm/mach-msm/smd_debug.c index 8736afff82f3..0c56a5aaf588 100644 --- a/arch/arm/mach-msm/smd_debug.c +++ b/arch/arm/mach-msm/smd_debug.c @@ -215,7 +215,7 @@ static const struct file_operations debug_ops = { .llseek = default_llseek, }; -static void debug_create(const char *name, mode_t mode, +static void debug_create(const char *name, umode_t mode, struct dentry *dent, int (*fill)(char *buf, int max)) { diff --git a/arch/avr32/include/asm/ipcbuf.h b/arch/avr32/include/asm/ipcbuf.h index 1552c9698f5e..84c7e51cb6d0 100644 --- a/arch/avr32/include/asm/ipcbuf.h +++ b/arch/avr32/include/asm/ipcbuf.h @@ -1,29 +1 @@ -#ifndef __ASM_AVR32_IPCBUF_H -#define __ASM_AVR32_IPCBUF_H - -/* -* The user_ipc_perm structure for AVR32 architecture. -* Note extra padding because this structure is passed back and forth -* between kernel and user space. -* -* Pad space is left for: -* - 32-bit mode_t and seq -* - 2 miscellaneous 32-bit values -*/ - -struct ipc64_perm -{ - __kernel_key_t key; - __kernel_uid32_t uid; - __kernel_gid32_t gid; - __kernel_uid32_t cuid; - __kernel_gid32_t cgid; - __kernel_mode_t mode; - unsigned short __pad1; - unsigned short seq; - unsigned short __pad2; - unsigned long __unused1; - unsigned long __unused2; -}; - -#endif /* __ASM_AVR32_IPCBUF_H */ +#include <asm-generic/ipcbuf.h> diff --git a/arch/avr32/include/asm/types.h b/arch/avr32/include/asm/types.h index 72667a3b1af7..9bb2d8b2e6ca 100644 --- a/arch/avr32/include/asm/types.h +++ b/arch/avr32/include/asm/types.h @@ -10,12 +10,6 @@ #include <asm-generic/int-ll64.h> -#ifndef __ASSEMBLY__ - -typedef unsigned short umode_t; - -#endif /* __ASSEMBLY__ */ - /* * These aren't exported outside the kernel to avoid name space clashes */ diff --git a/arch/cris/include/asm/ipcbuf.h b/arch/cris/include/asm/ipcbuf.h index 8b0c18b02844..84c7e51cb6d0 100644 --- a/arch/cris/include/asm/ipcbuf.h +++ b/arch/cris/include/asm/ipcbuf.h @@ -1,29 +1 @@ -#ifndef __CRIS_IPCBUF_H__ -#define __CRIS_IPCBUF_H__ - -/* - * The user_ipc_perm structure for CRIS architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 32-bit mode_t and seq - * - 2 miscellaneous 32-bit values - */ - -struct ipc64_perm -{ - __kernel_key_t key; - __kernel_uid32_t uid; - __kernel_gid32_t gid; - __kernel_uid32_t cuid; - __kernel_gid32_t cgid; - __kernel_mode_t mode; - unsigned short __pad1; - unsigned short seq; - unsigned short __pad2; - unsigned long __unused1; - unsigned long __unused2; -}; - -#endif /* __CRIS_IPCBUF_H__ */ +#include <asm-generic/ipcbuf.h> diff --git a/arch/cris/include/asm/types.h b/arch/cris/include/asm/types.h index 551a12c0aa01..adaf82780bb4 100644 --- a/arch/cris/include/asm/types.h +++ b/arch/cris/include/asm/types.h @@ -3,12 +3,6 @@ #include <asm-generic/int-ll64.h> -#ifndef __ASSEMBLY__ - -typedef unsigned short umode_t; - -#endif /* __ASSEMBLY__ */ - /* * These aren't exported outside the kernel to avoid name space clashes */ diff --git a/arch/frv/include/asm/ipcbuf.h b/arch/frv/include/asm/ipcbuf.h index b546f67e455f..84c7e51cb6d0 100644 --- a/arch/frv/include/asm/ipcbuf.h +++ b/arch/frv/include/asm/ipcbuf.h @@ -1,30 +1 @@ -#ifndef __ASM_IPCBUF_H__ -#define __ASM_IPCBUF_H__ - -/* - * The user_ipc_perm structure for FR-V architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 32-bit mode_t and seq - * - 2 miscellaneous 32-bit values - */ - -struct ipc64_perm -{ - __kernel_key_t key; - __kernel_uid32_t uid; - __kernel_gid32_t gid; - __kernel_uid32_t cuid; - __kernel_gid32_t cgid; - __kernel_mode_t mode; - unsigned short __pad1; - unsigned short seq; - unsigned short __pad2; - unsigned long __unused1; - unsigned long __unused2; -}; - -#endif /* __ASM_IPCBUF_H__ */ - +#include <asm-generic/ipcbuf.h> diff --git a/arch/frv/include/asm/types.h b/arch/frv/include/asm/types.h index aa3e7fdc7f29..390a612f3a58 100644 --- a/arch/frv/include/asm/types.h +++ b/arch/frv/include/asm/types.h @@ -14,12 +14,6 @@ #include <asm-generic/int-ll64.h> -#ifndef __ASSEMBLY__ - -typedef unsigned short umode_t; - -#endif /* __ASSEMBLY__ */ - /* * These aren't exported outside the kernel to avoid name space clashes */ diff --git a/arch/h8300/include/asm/ipcbuf.h b/arch/h8300/include/asm/ipcbuf.h index 2cd1ebcc109d..84c7e51cb6d0 100644 --- a/arch/h8300/include/asm/ipcbuf.h +++ b/arch/h8300/include/asm/ipcbuf.h @@ -1,29 +1 @@ -#ifndef __H8300_IPCBUF_H__ -#define __H8300_IPCBUF_H__ - -/* - * The user_ipc_perm structure for H8/300 architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 32-bit mode_t and seq - * - 2 miscellaneous 32-bit values - */ - -struct ipc64_perm -{ - __kernel_key_t key; - __kernel_uid32_t uid; - __kernel_gid32_t gid; - __kernel_uid32_t cuid; - __kernel_gid32_t cgid; - __kernel_mode_t mode; - unsigned short __pad1; - unsigned short seq; - unsigned short __pad2; - unsigned long __unused1; - unsigned long __unused2; -}; - -#endif /* __H8300_IPCBUF_H__ */ +#include <asm-generic/ipcbuf.h> diff --git a/arch/h8300/include/asm/types.h b/arch/h8300/include/asm/types.h index bb2c91a3522e..07257d9487d8 100644 --- a/arch/h8300/include/asm/types.h +++ b/arch/h8300/include/asm/types.h @@ -3,27 +3,10 @@ #include <asm-generic/int-ll64.h> -#if !defined(__ASSEMBLY__) - -/* - * This file is never included by application software unless - * explicitly requested (e.g., via linux/types.h) in which case the - * application is Linux specific so (user-) name space pollution is - * not a major issue. However, for interoperability, libraries still - * need to be careful to avoid a name clashes. - */ - -typedef unsigned short umode_t; - -/* - * These aren't exported outside the kernel to avoid name space clashes - */ #ifdef __KERNEL__ #define BITS_PER_LONG 32 #endif /* __KERNEL__ */ -#endif /* __ASSEMBLY__ */ - #endif /* _H8300_TYPES_H */ diff --git a/arch/ia64/include/asm/ipcbuf.h b/arch/ia64/include/asm/ipcbuf.h index 079899ae7d32..84c7e51cb6d0 100644 --- a/arch/ia64/include/asm/ipcbuf.h +++ b/arch/ia64/include/asm/ipcbuf.h @@ -1,28 +1 @@ -#ifndef _ASM_IA64_IPCBUF_H -#define _ASM_IA64_IPCBUF_H - -/* - * The ipc64_perm structure for IA-64 architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 32-bit seq - * - 2 miscellaneous 64-bit values - */ - -struct ipc64_perm -{ - __kernel_key_t key; - __kernel_uid_t uid; - __kernel_gid_t gid; - __kernel_uid_t cuid; - __kernel_gid_t cgid; - __kernel_mode_t mode; - unsigned short seq; - unsigned short __pad1; - unsigned long __unused1; - unsigned long __unused2; -}; - -#endif /* _ASM_IA64_IPCBUF_H */ +#include <asm-generic/ipcbuf.h> diff --git a/arch/ia64/include/asm/types.h b/arch/ia64/include/asm/types.h index 82b3939d2718..3f5b122d9975 100644 --- a/arch/ia64/include/asm/types.h +++ b/arch/ia64/include/asm/types.h @@ -28,8 +28,6 @@ # define __IA64_UL(x) ((unsigned long)(x)) # define __IA64_UL_CONST(x) x##UL -typedef unsigned int umode_t; - /* * These aren't exported outside the kernel to avoid name space clashes */ diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c index 89accc626b86..b2c65e034f5d 100644 --- a/arch/ia64/kernel/perfmon.c +++ b/arch/ia64/kernel/perfmon.c @@ -2228,7 +2228,7 @@ pfm_alloc_file(pfm_context_t *ctx) /* * allocate a new dcache entry */ - path.dentry = d_alloc(pfmfs_mnt->mnt_sb->s_root, &this); + path.dentry = d_alloc(pfmfs_mnt->mnt_root, &this); if (!path.dentry) { iput(inode); return ERR_PTR(-ENOMEM); diff --git a/arch/m32r/include/asm/ipcbuf.h b/arch/m32r/include/asm/ipcbuf.h index 8d2d7c8ffdb0..84c7e51cb6d0 100644 --- a/arch/m32r/include/asm/ipcbuf.h +++ b/arch/m32r/include/asm/ipcbuf.h @@ -1,29 +1 @@ -#ifndef _ASM_M32R_IPCBUF_H -#define _ASM_M32R_IPCBUF_H - -/* - * The ipc64_perm structure for m32r architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 32-bit mode_t and seq - * - 2 miscellaneous 32-bit values - */ - -struct ipc64_perm -{ - __kernel_key_t key; - __kernel_uid32_t uid; - __kernel_gid32_t gid; - __kernel_uid32_t cuid; - __kernel_gid32_t cgid; - __kernel_mode_t mode; - unsigned short __pad1; - unsigned short seq; - unsigned short __pad2; - unsigned long __unused1; - unsigned long __unused2; -}; - -#endif /* _ASM_M32R_IPCBUF_H */ +#include <asm-generic/ipcbuf.h> diff --git a/arch/m32r/include/asm/types.h b/arch/m32r/include/asm/types.h index bd0035597b3b..bb2eeadecf99 100644 --- a/arch/m32r/include/asm/types.h +++ b/arch/m32r/include/asm/types.h @@ -3,12 +3,6 @@ #include <asm-generic/int-ll64.h> -#ifndef __ASSEMBLY__ - -typedef unsigned short umode_t; - -#endif /* __ASSEMBLY__ */ - /* * These aren't exported outside the kernel to avoid name space clashes */ diff --git a/arch/m68k/include/asm/ipcbuf.h b/arch/m68k/include/asm/ipcbuf.h index a623ea3f0955..84c7e51cb6d0 100644 --- a/arch/m68k/include/asm/ipcbuf.h +++ b/arch/m68k/include/asm/ipcbuf.h @@ -1,29 +1 @@ -#ifndef __m68k_IPCBUF_H__ -#define __m68k_IPCBUF_H__ - -/* - * The user_ipc_perm structure for m68k architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 32-bit mode_t and seq - * - 2 miscellaneous 32-bit values - */ - -struct ipc64_perm -{ - __kernel_key_t key; - __kernel_uid32_t uid; - __kernel_gid32_t gid; - __kernel_uid32_t cuid; - __kernel_gid32_t cgid; - __kernel_mode_t mode; - unsigned short __pad1; - unsigned short seq; - unsigned short __pad2; - unsigned long __unused1; - unsigned long __unused2; -}; - -#endif /* __m68k_IPCBUF_H__ */ +#include <asm-generic/ipcbuf.h> diff --git a/arch/m68k/include/asm/types.h b/arch/m68k/include/asm/types.h index b17fd115a4e7..89705adcbd52 100644 --- a/arch/m68k/include/asm/types.h +++ b/arch/m68k/include/asm/types.h @@ -10,12 +10,6 @@ */ #include <asm-generic/int-ll64.h> -#ifndef __ASSEMBLY__ - -typedef unsigned short umode_t; - -#endif /* __ASSEMBLY__ */ - /* * These aren't exported outside the kernel to avoid name space clashes */ diff --git a/arch/mips/include/asm/ipcbuf.h b/arch/mips/include/asm/ipcbuf.h index d47d08f264e7..84c7e51cb6d0 100644 --- a/arch/mips/include/asm/ipcbuf.h +++ b/arch/mips/include/asm/ipcbuf.h @@ -1,28 +1 @@ -#ifndef _ASM_IPCBUF_H -#define _ASM_IPCBUF_H - -/* - * The ipc64_perm structure for alpha architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 32-bit seq - * - 2 miscellaneous 64-bit values - */ - -struct ipc64_perm -{ - __kernel_key_t key; - __kernel_uid_t uid; - __kernel_gid_t gid; - __kernel_uid_t cuid; - __kernel_gid_t cgid; - __kernel_mode_t mode; - unsigned short seq; - unsigned short __pad1; - unsigned long __unused1; - unsigned long __unused2; -}; - -#endif /* _ASM_IPCBUF_H */ +#include <asm-generic/ipcbuf.h> diff --git a/arch/mips/include/asm/types.h b/arch/mips/include/asm/types.h index 533812b61881..43bf70ebd3a2 100644 --- a/arch/mips/include/asm/types.h +++ b/arch/mips/include/asm/types.h @@ -21,12 +21,6 @@ # include <asm-generic/int-ll64.h> #endif -#ifndef __ASSEMBLY__ - -typedef unsigned short umode_t; - -#endif /* __ASSEMBLY__ */ - /* * These aren't exported outside the kernel to avoid name space clashes */ diff --git a/arch/mn10300/include/asm/ipcbuf.h b/arch/mn10300/include/asm/ipcbuf.h index f6f63d448272..84c7e51cb6d0 100644 --- a/arch/mn10300/include/asm/ipcbuf.h +++ b/arch/mn10300/include/asm/ipcbuf.h @@ -1,29 +1 @@ -#ifndef _ASM_IPCBUF_H -#define _ASM_IPCBUF_H - -/* - * The ipc64_perm structure for MN10300 architecture. - * Note extra padding because this structure is passed back and forth - * between kernel and user space. - * - * Pad space is left for: - * - 32-bit mode_t and seq - * - 2 miscellaneous 32-bit values - */ - -struct ipc64_perm -{ - __kernel_key_t key; - __kernel_uid32_t uid; - __kernel_gid32_t gid; - __kernel_uid32_t cuid; - __kernel_gid32_t cgid; - __kernel_mode_t mode; - unsigned short __pad1; - unsigned short seq; - unsigned short __pad2; - unsigned long __unused1; - unsigned long __unused2; -}; - -#endif /* _ASM_IPCBUF_H */ +#include <asm-generic/ipcbuf.h> diff --git a/arch/mn10300/include/asm/types.h b/arch/mn10300/include/asm/types.h index c1833eb192e3..713d4ba108a5 100644 --- a/arch/mn10300/include/asm/types.h +++ b/arch/mn10300/include/asm/types.h @@ -13,12 +13,6 @@ #include <asm-generic/int-ll64.h> -#ifndef __ASSEMBLY__ - -typedef unsigned short umode_t; - -#endif /* __ASSEMBLY__ */ - /* * These aren't exported outside the kernel to avoid name space clashes */ diff --git a/arch/parisc/hpux/sys_hpux.c b/arch/parisc/hpux/sys_hpux.c index 6ab9580b0b00..d9dc6cd3b7d2 100644 --- a/arch/parisc/hpux/sys_hpux.c +++ b/arch/parisc/hpux/sys_hpux.c @@ -136,16 +136,9 @@ struct hpux_ustat { */ static int hpux_ustat(dev_t dev, struct hpux_ustat __user *ubuf) { - struct super_block *s; struct hpux_ustat tmp; /* Changed to hpux_ustat */ struct kstatfs sbuf; - int err = -EINVAL; - - s = user_get_super(dev); - if (s == NULL) - goto out; - err = statfs_by_dentry(s->s_root, &sbuf); - drop_super(s); + int err = vfs_ustat(dev, &sbuf); if (err) goto out; diff --git a/arch/parisc/include/asm/types.h b/arch/parisc/include/asm/types.h index 80e415c9936d..8866f9bbdeaf 100644 --- a/arch/parisc/include/asm/types.h +++ b/arch/parisc/include/asm/types.h @@ -3,10 +3,4 @@ #include <asm-generic/int-ll64.h> -#ifndef __ASSEMBLY__ - -typedef unsigned short umode_t; - -#endif /* __ASSEMBLY__ */ - #endif diff --git a/arch/powerpc/include/asm/spu.h b/arch/powerpc/include/asm/spu.h index fff921345ddc..93f280e23279 100644 --- a/arch/powerpc/include/asm/spu.h +++ b/arch/powerpc/include/asm/spu.h @@ -237,7 +237,7 @@ extern long spu_sys_callback(struct spu_syscall_block *s); struct file; struct spufs_calls { long (*create_thread)(const char __user *name, - unsigned int flags, mode_t mode, + unsigned int flags, umode_t mode, struct file *neighbor); long (*spu_run)(struct file *filp, __u32 __user *unpc, __u32 __user *ustatus); diff --git a/arch/powerpc/include/asm/types.h b/arch/powerpc/include/asm/types.h index d82e94e6c2b4..0abf7f2c6df9 100644 --- a/arch/powerpc/include/asm/types.h +++ b/arch/powerpc/include/asm/types.h @@ -30,12 +30,6 @@ * 2 of the License, or (at your option) any later version. */ -#ifdef __powerpc64__ -typedef unsigned int umode_t; -#else -typedef unsigned short umode_t; -#endif - typedef struct { __u32 u[4]; } __attribute__((aligned(16))) __vector128; diff --git a/arch/powerpc/kernel/lparcfg.c b/arch/powerpc/kernel/lparcfg.c index 84daabe2fcba..578f35f18723 100644 --- a/arch/powerpc/kernel/lparcfg.c +++ b/arch/powerpc/kernel/lparcfg.c @@ -783,7 +783,7 @@ static const struct file_operations lparcfg_fops = { static int __init lparcfg_init(void) { struct proc_dir_entry *ent; - mode_t mode = S_IRUSR | S_IRGRP | S_IROTH; + umode_t mode = S_IRUSR | S_IRGRP | S_IROTH; /* Allow writing if we have FW_FEATURE_SPLPAR */ if (firmware_has_feature(FW_FEATURE_SPLPAR) && diff --git a/arch/powerpc/platforms/cell/spu_syscalls.c b/arch/powerpc/platforms/cell/spu_syscalls.c index 75530d99eda6..714bbfc3162c 100644 --- a/arch/powerpc/platforms/cell/spu_syscalls.c +++ b/arch/powerpc/platforms/cell/spu_syscalls.c @@ -65,8 +65,8 @@ static inline void spufs_calls_put(struct spufs_calls *calls) { } #endif /* CONFIG_SPU_FS_MODULE */ -asmlinkage long sys_spu_create(const char __user *name, - unsigned int flags, mode_t mode, int neighbor_fd) +SYSCALL_DEFINE4(spu_create, const char __user *, name, unsigned int, flags, + umode_t, mode, int, neighbor_fd) { long ret; struct file *neighbor; diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c index e481f6b9a789..d4a094ca96f3 100644 --- a/arch/powerpc/platforms/cell/spufs/inode.c +++ b/arch/powerpc/platforms/cell/spufs/inode.c @@ -74,7 +74,6 @@ spufs_alloc_inode(struct super_block *sb) static void spufs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(spufs_inode_cache, SPUFS_I(inode)); } @@ -92,7 +91,7 @@ spufs_init_once(void *p) } static struct inode * -spufs_new_inode(struct super_block *sb, int mode) +spufs_new_inode(struct super_block *sb, umode_t mode) { struct inode *inode; @@ -124,7 +123,7 @@ spufs_setattr(struct dentry *dentry, struct iattr *attr) static int spufs_new_file(struct super_block *sb, struct dentry *dentry, - const struct file_operations *fops, int mode, + const struct file_operations *fops, umode_t mode, size_t size, struct spu_context *ctx) { static const struct inode_operations spufs_file_iops = { @@ -194,7 +193,7 @@ static int spufs_rmdir(struct inode *parent, struct dentry *dir) } static int spufs_fill_dir(struct dentry *dir, - const struct spufs_tree_descr *files, int mode, + const struct spufs_tree_descr *files, umode_t mode, struct spu_context *ctx) { struct dentry *dentry, *tmp; @@ -264,7 +263,7 @@ EXPORT_SYMBOL_GPL(spufs_context_fops); static int spufs_mkdir(struct inode *dir, struct dentry *dentry, unsigned int flags, - int mode) + umode_t mode) { int ret; struct inode *inode; @@ -447,7 +446,7 @@ spufs_set_affinity(unsigned int flags, struct spu_context *ctx, static int spufs_create_context(struct inode *inode, struct dentry *dentry, - struct vfsmount *mnt, int flags, int mode, + struct vfsmount *mnt, int flags, umode_t mode, struct file *aff_filp) { int ret; @@ -521,7 +520,7 @@ out: } static int -spufs_mkgang(struct inode *dir, struct dentry *dentry, int mode) +spufs_mkgang(struct inode *dir, struct dentry *dentry, umode_t mode) { int ret; struct inode *inode; @@ -584,7 +583,7 @@ out: static int spufs_create_gang(struct inode *inode, struct dentry *dentry, - struct vfsmount *mnt, int mode) + struct vfsmount *mnt, umode_t mode) { int ret; @@ -612,7 +611,7 @@ out: static struct file_system_type spufs_type; long spufs_create(struct path *path, struct dentry *dentry, - unsigned int flags, mode_t mode, struct file *filp) + unsigned int flags, umode_t mode, struct file *filp) { int ret; diff --git a/arch/powerpc/platforms/cell/spufs/spufs.h b/arch/powerpc/platforms/cell/spufs/spufs.h index 099245f230b2..67852ade4c01 100644 --- a/arch/powerpc/platforms/cell/spufs/spufs.h +++ b/arch/powerpc/platforms/cell/spufs/spufs.h @@ -237,7 +237,7 @@ struct spufs_inode_info { struct spufs_tree_descr { const char *name; const struct file_operations *ops; - int mode; + umode_t mode; size_t size; }; @@ -249,7 +249,7 @@ extern const struct spufs_tree_descr spufs_dir_debug_contents[]; extern struct spufs_calls spufs_calls; long spufs_run_spu(struct spu_context *ctx, u32 *npc, u32 *status); long spufs_create(struct path *nd, struct dentry *dentry, unsigned int flags, - mode_t mode, struct file *filp); + umode_t mode, struct file *filp); /* ELF coredump callbacks for writing SPU ELF notes */ extern int spufs_coredump_extra_notes_size(void); extern int spufs_coredump_extra_notes_write(struct file *file, loff_t *foffset); diff --git a/arch/powerpc/platforms/cell/spufs/syscalls.c b/arch/powerpc/platforms/cell/spufs/syscalls.c index 71a5b5207266..8591bb62d7fc 100644 --- a/arch/powerpc/platforms/cell/spufs/syscalls.c +++ b/arch/powerpc/platforms/cell/spufs/syscalls.c @@ -60,7 +60,7 @@ out: } static long do_spu_create(const char __user *pathname, unsigned int flags, - mode_t mode, struct file *neighbor) + umode_t mode, struct file *neighbor) { struct path path; struct dentry *dentry; diff --git a/arch/powerpc/sysdev/axonram.c b/arch/powerpc/sysdev/axonram.c index ba4271919062..1c16141c031c 100644 --- a/arch/powerpc/sysdev/axonram.c +++ b/arch/powerpc/sysdev/axonram.c @@ -25,7 +25,6 @@ #include <linux/bio.h> #include <linux/blkdev.h> -#include <linux/buffer_head.h> #include <linux/device.h> #include <linux/errno.h> #include <linux/fs.h> diff --git a/arch/s390/hypfs/inode.c b/arch/s390/hypfs/inode.c index 481f4f76f664..8a2a887478cc 100644 --- a/arch/s390/hypfs/inode.c +++ b/arch/s390/hypfs/inode.c @@ -97,7 +97,7 @@ static void hypfs_delete_tree(struct dentry *root) } } -static struct inode *hypfs_make_inode(struct super_block *sb, int mode) +static struct inode *hypfs_make_inode(struct super_block *sb, umode_t mode) { struct inode *ret = new_inode(sb); @@ -107,7 +107,7 @@ static struct inode *hypfs_make_inode(struct super_block *sb, int mode) ret->i_uid = hypfs_info->uid; ret->i_gid = hypfs_info->gid; ret->i_atime = ret->i_mtime = ret->i_ctime = CURRENT_TIME; - if (mode & S_IFDIR) + if (S_ISDIR(mode)) set_nlink(ret, 2); } return ret; @@ -259,9 +259,9 @@ static int hypfs_parse_options(char *options, struct super_block *sb) return 0; } -static int hypfs_show_options(struct seq_file *s, struct vfsmount *mnt) +static int hypfs_show_options(struct seq_file *s, struct dentry *root) { - struct hypfs_sb_info *hypfs_info = mnt->mnt_sb->s_fs_info; + struct hypfs_sb_info *hypfs_info = root->d_sb->s_fs_info; seq_printf(s, ",uid=%u", hypfs_info->uid); seq_printf(s, ",gid=%u", hypfs_info->gid); @@ -333,7 +333,7 @@ static void hypfs_kill_super(struct super_block *sb) static struct dentry *hypfs_create_file(struct super_block *sb, struct dentry *parent, const char *name, - char *data, mode_t mode) + char *data, umode_t mode) { struct dentry *dentry; struct inode *inode; @@ -350,13 +350,13 @@ static struct dentry *hypfs_create_file(struct super_block *sb, dentry = ERR_PTR(-ENOMEM); goto fail; } - if (mode & S_IFREG) { + if (S_ISREG(mode)) { inode->i_fop = &hypfs_file_ops; if (data) inode->i_size = strlen(data); else inode->i_size = 0; - } else if (mode & S_IFDIR) { + } else if (S_ISDIR(mode)) { inode->i_op = &simple_dir_inode_operations; inode->i_fop = &simple_dir_operations; inc_nlink(parent->d_inode); diff --git a/arch/s390/include/asm/debug.h b/arch/s390/include/asm/debug.h index 18124b75a7ab..9d88db1f55d0 100644 --- a/arch/s390/include/asm/debug.h +++ b/arch/s390/include/asm/debug.h @@ -73,7 +73,7 @@ typedef struct debug_info { struct dentry* debugfs_entries[DEBUG_MAX_VIEWS]; struct debug_view* views[DEBUG_MAX_VIEWS]; char name[DEBUG_MAX_NAME_LEN]; - mode_t mode; + umode_t mode; } debug_info_t; typedef int (debug_header_proc_t) (debug_info_t* id, @@ -124,7 +124,7 @@ debug_info_t *debug_register(const char *name, int pages, int nr_areas, int buf_size); debug_info_t *debug_register_mode(const char *name, int pages, int nr_areas, - int buf_size, mode_t mode, uid_t uid, + int buf_size, umode_t mode, uid_t uid, gid_t gid); void debug_unregister(debug_info_t* id); diff --git a/arch/s390/include/asm/types.h b/arch/s390/include/asm/types.h index eeb52ccf499f..05ebbcdbbf6b 100644 --- a/arch/s390/include/asm/types.h +++ b/arch/s390/include/asm/types.h @@ -13,8 +13,6 @@ #ifndef __ASSEMBLY__ -typedef unsigned short umode_t; - /* A address type so that arithmetic can be done on it & it can be upgraded to 64 bit when necessary */ diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c index 5ad6bc078bfd..6848828b962e 100644 --- a/arch/s390/kernel/debug.c +++ b/arch/s390/kernel/debug.c @@ -74,7 +74,7 @@ static ssize_t debug_input(struct file *file, const char __user *user_buf, static int debug_open(struct inode *inode, struct file *file); static int debug_close(struct inode *inode, struct file *file); static debug_info_t *debug_info_create(const char *name, int pages_per_area, - int nr_areas, int buf_size, mode_t mode); + int nr_areas, int buf_size, umode_t mode); static void debug_info_get(debug_info_t *); static void debug_info_put(debug_info_t *); static int debug_prolog_level_fn(debug_info_t * id, @@ -330,7 +330,7 @@ debug_info_free(debug_info_t* db_info){ static debug_info_t* debug_info_create(const char *name, int pages_per_area, int nr_areas, - int buf_size, mode_t mode) + int buf_size, umode_t mode) { debug_info_t* rc; @@ -688,7 +688,7 @@ debug_close(struct inode *inode, struct file *file) */ debug_info_t *debug_register_mode(const char *name, int pages_per_area, - int nr_areas, int buf_size, mode_t mode, + int nr_areas, int buf_size, umode_t mode, uid_t uid, gid_t gid) { debug_info_t *rc = NULL; @@ -1090,7 +1090,7 @@ debug_register_view(debug_info_t * id, struct debug_view *view) int rc = 0; int i; unsigned long flags; - mode_t mode; + umode_t mode; struct dentry *pde; if (!id) diff --git a/arch/sparc/include/asm/posix_types.h b/arch/sparc/include/asm/posix_types.h index 98d6ebb922fb..dbfc1a34b3a2 100644 --- a/arch/sparc/include/asm/posix_types.h +++ b/arch/sparc/include/asm/posix_types.h @@ -20,7 +20,6 @@ typedef unsigned int __kernel_uid_t; typedef unsigned int __kernel_gid_t; typedef unsigned long __kernel_ino_t; typedef unsigned int __kernel_mode_t; -typedef unsigned short __kernel_umode_t; typedef unsigned int __kernel_nlink_t; typedef int __kernel_daddr_t; typedef long __kernel_off_t; @@ -55,7 +54,6 @@ typedef unsigned short __kernel_uid_t; typedef unsigned short __kernel_gid_t; typedef unsigned long __kernel_ino_t; typedef unsigned short __kernel_mode_t; -typedef unsigned short __kernel_umode_t; typedef short __kernel_nlink_t; typedef long __kernel_daddr_t; typedef long __kernel_off_t; diff --git a/arch/sparc/include/asm/types.h b/arch/sparc/include/asm/types.h index 91e5a034f987..383d156cde9c 100644 --- a/arch/sparc/include/asm/types.h +++ b/arch/sparc/include/asm/types.h @@ -12,12 +12,6 @@ #include <asm-generic/int-ll64.h> -#ifndef __ASSEMBLY__ - -typedef unsigned short umode_t; - -#endif /* __ASSEMBLY__ */ - #endif /* defined(__sparc__) */ #endif /* defined(_SPARC_TYPES_H) */ diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c index 212a6a42527c..a524353d93f2 100644 --- a/arch/x86/kernel/cpuid.c +++ b/arch/x86/kernel/cpuid.c @@ -177,7 +177,7 @@ static struct notifier_block __refdata cpuid_class_cpu_notifier = .notifier_call = cpuid_class_cpu_callback, }; -static char *cpuid_devnode(struct device *dev, mode_t *mode) +static char *cpuid_devnode(struct device *dev, umode_t *mode) { return kasprintf(GFP_KERNEL, "cpu/%u/cpuid", MINOR(dev->devt)); } diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c index 12fcbe2c143e..96356762a51d 100644 --- a/arch/x86/kernel/msr.c +++ b/arch/x86/kernel/msr.c @@ -236,7 +236,7 @@ static struct notifier_block __refdata msr_class_cpu_notifier = { .notifier_call = msr_class_cpu_callback, }; -static char *msr_devnode(struct device *dev, mode_t *mode) +static char *msr_devnode(struct device *dev, umode_t *mode) { return kasprintf(GFP_KERNEL, "cpu/%u/msr", MINOR(dev->devt)); } diff --git a/arch/x86/xen/debugfs.c b/arch/x86/xen/debugfs.c index 7c0fedd98ea0..ef1db1900d86 100644 --- a/arch/x86/xen/debugfs.c +++ b/arch/x86/xen/debugfs.c @@ -109,7 +109,7 @@ static const struct file_operations u32_array_fops = { .llseek = no_llseek, }; -struct dentry *xen_debugfs_create_u32_array(const char *name, mode_t mode, +struct dentry *xen_debugfs_create_u32_array(const char *name, umode_t mode, struct dentry *parent, u32 *array, unsigned elements) { diff --git a/arch/x86/xen/debugfs.h b/arch/x86/xen/debugfs.h index e28132084832..78d25499be5b 100644 --- a/arch/x86/xen/debugfs.h +++ b/arch/x86/xen/debugfs.h @@ -3,7 +3,7 @@ struct dentry * __init xen_init_debugfs(void); -struct dentry *xen_debugfs_create_u32_array(const char *name, mode_t mode, +struct dentry *xen_debugfs_create_u32_array(const char *name, umode_t mode, struct dentry *parent, u32 *array, unsigned elements); diff --git a/arch/xtensa/include/asm/types.h b/arch/xtensa/include/asm/types.h index b1c981e39b52..6d4db7e8ffac 100644 --- a/arch/xtensa/include/asm/types.h +++ b/arch/xtensa/include/asm/types.h @@ -23,8 +23,6 @@ #ifndef __ASSEMBLY__ -typedef unsigned short umode_t; - /* * These aren't exported outside the kernel to avoid name space clashes */ diff --git a/block/Kconfig b/block/Kconfig index e97934eececa..09acf1b39905 100644 --- a/block/Kconfig +++ b/block/Kconfig @@ -99,6 +99,12 @@ config BLK_DEV_THROTTLING See Documentation/cgroups/blkio-controller.txt for more information. +menu "Partition Types" + +source "block/partitions/Kconfig" + +endmenu + endif # BLOCK config BLOCK_COMPAT diff --git a/block/Makefile b/block/Makefile index 514c6e4f427a..39b76ba66ffd 100644 --- a/block/Makefile +++ b/block/Makefile @@ -5,7 +5,8 @@ obj-$(CONFIG_BLOCK) := elevator.o blk-core.o blk-tag.o blk-sysfs.o \ blk-flush.o blk-settings.o blk-ioc.o blk-map.o \ blk-exec.o blk-merge.o blk-softirq.o blk-timeout.o \ - blk-iopoll.o blk-lib.o ioctl.o genhd.o scsi_ioctl.o + blk-iopoll.o blk-lib.o ioctl.o genhd.o scsi_ioctl.o \ + partition-generic.o partitions/ obj-$(CONFIG_BLK_DEV_BSG) += bsg.o obj-$(CONFIG_BLK_DEV_BSGLIB) += bsg-lib.o diff --git a/block/bsg.c b/block/bsg.c index 702f1316bb8f..9651ec7b87c2 100644 --- a/block/bsg.c +++ b/block/bsg.c @@ -1070,7 +1070,7 @@ EXPORT_SYMBOL_GPL(bsg_register_queue); static struct cdev bsg_cdev; -static char *bsg_devnode(struct device *dev, mode_t *mode) +static char *bsg_devnode(struct device *dev, umode_t *mode) { return kasprintf(GFP_KERNEL, "bsg/%s", dev_name(dev)); } diff --git a/block/genhd.c b/block/genhd.c index 02e9fca80825..83e7c04015e1 100644 --- a/block/genhd.c +++ b/block/genhd.c @@ -15,7 +15,6 @@ #include <linux/slab.h> #include <linux/kmod.h> #include <linux/kobj_map.h> -#include <linux/buffer_head.h> #include <linux/mutex.h> #include <linux/idr.h> #include <linux/log2.h> @@ -507,7 +506,7 @@ static int exact_lock(dev_t devt, void *data) return 0; } -void register_disk(struct gendisk *disk) +static void register_disk(struct gendisk *disk) { struct device *ddev = disk_to_dev(disk); struct block_device *bdev; @@ -1109,7 +1108,7 @@ struct class block_class = { .name = "block", }; -static char *block_devnode(struct device *dev, mode_t *mode) +static char *block_devnode(struct device *dev, umode_t *mode) { struct gendisk *disk = dev_to_disk(dev); diff --git a/block/ioctl.c b/block/ioctl.c index d510c2a4eff8..4828fa349813 100644 --- a/block/ioctl.c +++ b/block/ioctl.c @@ -5,7 +5,7 @@ #include <linux/blkpg.h> #include <linux/hdreg.h> #include <linux/backing-dev.h> -#include <linux/buffer_head.h> +#include <linux/fs.h> #include <linux/blktrace_api.h> #include <asm/uaccess.h> diff --git a/fs/partitions/check.c b/block/partition-generic.c index e3c63d1c5e13..d06ec1c829c2 100644 --- a/fs/partitions/check.c +++ b/block/partition-generic.c @@ -1,6 +1,4 @@ /* - * fs/partitions/check.c - * * Code extracted from drivers/block/genhd.c * Copyright (C) 1991-1998 Linus Torvalds * Re-organised Feb 1998 Russell King @@ -9,8 +7,6 @@ * block drivers, which allows all the partition code to * be grouped in one location, and it to be mostly self * contained. - * - * Added needed MAJORS for new pairs, {hdi,hdj}, {hdk,hdl} */ #include <linux/init.h> @@ -22,98 +18,11 @@ #include <linux/genhd.h> #include <linux/blktrace_api.h> -#include "check.h" - -#include "acorn.h" -#include "amiga.h" -#include "atari.h" -#include "ldm.h" -#include "mac.h" -#include "msdos.h" -#include "osf.h" -#include "sgi.h" -#include "sun.h" -#include "ibm.h" -#include "ultrix.h" -#include "efi.h" -#include "karma.h" -#include "sysv68.h" +#include "partitions/check.h" #ifdef CONFIG_BLK_DEV_MD extern void md_autodetect_dev(dev_t dev); #endif - -int warn_no_part = 1; /*This is ugly: should make genhd removable media aware*/ - -static int (*check_part[])(struct parsed_partitions *) = { - /* - * Probe partition formats with tables at disk address 0 - * that also have an ADFS boot block at 0xdc0. - */ -#ifdef CONFIG_ACORN_PARTITION_ICS - adfspart_check_ICS, -#endif -#ifdef CONFIG_ACORN_PARTITION_POWERTEC - adfspart_check_POWERTEC, -#endif -#ifdef CONFIG_ACORN_PARTITION_EESOX - adfspart_check_EESOX, -#endif - - /* - * Now move on to formats that only have partition info at - * disk address 0xdc0. Since these may also have stale - * PC/BIOS partition tables, they need to come before - * the msdos entry. - */ -#ifdef CONFIG_ACORN_PARTITION_CUMANA - adfspart_check_CUMANA, -#endif -#ifdef CONFIG_ACORN_PARTITION_ADFS - adfspart_check_ADFS, -#endif - -#ifdef CONFIG_EFI_PARTITION - efi_partition, /* this must come before msdos */ -#endif -#ifdef CONFIG_SGI_PARTITION - sgi_partition, -#endif -#ifdef CONFIG_LDM_PARTITION - ldm_partition, /* this must come before msdos */ -#endif -#ifdef CONFIG_MSDOS_PARTITION - msdos_partition, -#endif -#ifdef CONFIG_OSF_PARTITION - osf_partition, -#endif -#ifdef CONFIG_SUN_PARTITION - sun_partition, -#endif -#ifdef CONFIG_AMIGA_PARTITION - amiga_partition, -#endif -#ifdef CONFIG_ATARI_PARTITION - atari_partition, -#endif -#ifdef CONFIG_MAC_PARTITION - mac_partition, -#endif -#ifdef CONFIG_ULTRIX_PARTITION - ultrix_partition, -#endif -#ifdef CONFIG_IBM_PARTITION - ibm_partition, -#endif -#ifdef CONFIG_KARMA_PARTITION - karma_partition, -#endif -#ifdef CONFIG_SYSV68_PARTITION - sysv68_partition, -#endif - NULL -}; /* * disk_name() is used by partition check code and the genhd driver. @@ -155,65 +64,6 @@ const char *__bdevname(dev_t dev, char *buffer) EXPORT_SYMBOL(__bdevname); -static struct parsed_partitions * -check_partition(struct gendisk *hd, struct block_device *bdev) -{ - struct parsed_partitions *state; - int i, res, err; - - state = kzalloc(sizeof(struct parsed_partitions), GFP_KERNEL); - if (!state) - return NULL; - state->pp_buf = (char *)__get_free_page(GFP_KERNEL); - if (!state->pp_buf) { - kfree(state); - return NULL; - } - state->pp_buf[0] = '\0'; - - state->bdev = bdev; - disk_name(hd, 0, state->name); - snprintf(state->pp_buf, PAGE_SIZE, " %s:", state->name); - if (isdigit(state->name[strlen(state->name)-1])) - sprintf(state->name, "p"); - - state->limit = disk_max_parts(hd); - i = res = err = 0; - while (!res && check_part[i]) { - memset(&state->parts, 0, sizeof(state->parts)); - res = check_part[i++](state); - if (res < 0) { - /* We have hit an I/O error which we don't report now. - * But record it, and let the others do their job. - */ - err = res; - res = 0; - } - - } - if (res > 0) { - printk(KERN_INFO "%s", state->pp_buf); - - free_page((unsigned long)state->pp_buf); - return state; - } - if (state->access_beyond_eod) - err = -ENOSPC; - if (err) - /* The partition is unrecognized. So report I/O errors if there were any */ - res = err; - if (!res) - strlcat(state->pp_buf, " unknown partition table\n", PAGE_SIZE); - else if (warn_no_part) - strlcat(state->pp_buf, " unable to read partition table\n", PAGE_SIZE); - - printk(KERN_INFO "%s", state->pp_buf); - - free_page((unsigned long)state->pp_buf); - kfree(state); - return ERR_PTR(res); -} - static ssize_t part_partition_show(struct device *dev, struct device_attribute *attr, char *buf) { diff --git a/fs/partitions/Kconfig b/block/partitions/Kconfig index cb5f0a3f1b03..cb5f0a3f1b03 100644 --- a/fs/partitions/Kconfig +++ b/block/partitions/Kconfig diff --git a/fs/partitions/Makefile b/block/partitions/Makefile index 03af8eac51da..03af8eac51da 100644 --- a/fs/partitions/Makefile +++ b/block/partitions/Makefile diff --git a/fs/partitions/acorn.c b/block/partitions/acorn.c index fbeb697374d5..fbeb697374d5 100644 --- a/fs/partitions/acorn.c +++ b/block/partitions/acorn.c diff --git a/fs/partitions/acorn.h b/block/partitions/acorn.h index ede828529692..ede828529692 100644 --- a/fs/partitions/acorn.h +++ b/block/partitions/acorn.h diff --git a/fs/partitions/amiga.c b/block/partitions/amiga.c index 70cbf44a1560..70cbf44a1560 100644 --- a/fs/partitions/amiga.c +++ b/block/partitions/amiga.c diff --git a/fs/partitions/amiga.h b/block/partitions/amiga.h index d094585cadaa..d094585cadaa 100644 --- a/fs/partitions/amiga.h +++ b/block/partitions/amiga.h diff --git a/fs/partitions/atari.c b/block/partitions/atari.c index 9875b05e80a2..9875b05e80a2 100644 --- a/fs/partitions/atari.c +++ b/block/partitions/atari.c diff --git a/fs/partitions/atari.h b/block/partitions/atari.h index fe2d32a89f36..fe2d32a89f36 100644 --- a/fs/partitions/atari.h +++ b/block/partitions/atari.h diff --git a/block/partitions/check.c b/block/partitions/check.c new file mode 100644 index 000000000000..bc908672c976 --- /dev/null +++ b/block/partitions/check.c @@ -0,0 +1,166 @@ +/* + * fs/partitions/check.c + * + * Code extracted from drivers/block/genhd.c + * Copyright (C) 1991-1998 Linus Torvalds + * Re-organised Feb 1998 Russell King + * + * We now have independent partition support from the + * block drivers, which allows all the partition code to + * be grouped in one location, and it to be mostly self + * contained. + * + * Added needed MAJORS for new pairs, {hdi,hdj}, {hdk,hdl} + */ + +#include <linux/slab.h> +#include <linux/ctype.h> +#include <linux/genhd.h> + +#include "check.h" + +#include "acorn.h" +#include "amiga.h" +#include "atari.h" +#include "ldm.h" +#include "mac.h" +#include "msdos.h" +#include "osf.h" +#include "sgi.h" +#include "sun.h" +#include "ibm.h" +#include "ultrix.h" +#include "efi.h" +#include "karma.h" +#include "sysv68.h" + +int warn_no_part = 1; /*This is ugly: should make genhd removable media aware*/ + +static int (*check_part[])(struct parsed_partitions *) = { + /* + * Probe partition formats with tables at disk address 0 + * that also have an ADFS boot block at 0xdc0. + */ +#ifdef CONFIG_ACORN_PARTITION_ICS + adfspart_check_ICS, +#endif +#ifdef CONFIG_ACORN_PARTITION_POWERTEC + adfspart_check_POWERTEC, +#endif +#ifdef CONFIG_ACORN_PARTITION_EESOX + adfspart_check_EESOX, +#endif + + /* + * Now move on to formats that only have partition info at + * disk address 0xdc0. Since these may also have stale + * PC/BIOS partition tables, they need to come before + * the msdos entry. + */ +#ifdef CONFIG_ACORN_PARTITION_CUMANA + adfspart_check_CUMANA, +#endif +#ifdef CONFIG_ACORN_PARTITION_ADFS + adfspart_check_ADFS, +#endif + +#ifdef CONFIG_EFI_PARTITION + efi_partition, /* this must come before msdos */ +#endif +#ifdef CONFIG_SGI_PARTITION + sgi_partition, +#endif +#ifdef CONFIG_LDM_PARTITION + ldm_partition, /* this must come before msdos */ +#endif +#ifdef CONFIG_MSDOS_PARTITION + msdos_partition, +#endif +#ifdef CONFIG_OSF_PARTITION + osf_partition, +#endif +#ifdef CONFIG_SUN_PARTITION + sun_partition, +#endif +#ifdef CONFIG_AMIGA_PARTITION + amiga_partition, +#endif +#ifdef CONFIG_ATARI_PARTITION + atari_partition, +#endif +#ifdef CONFIG_MAC_PARTITION + mac_partition, +#endif +#ifdef CONFIG_ULTRIX_PARTITION + ultrix_partition, +#endif +#ifdef CONFIG_IBM_PARTITION + ibm_partition, +#endif +#ifdef CONFIG_KARMA_PARTITION + karma_partition, +#endif +#ifdef CONFIG_SYSV68_PARTITION + sysv68_partition, +#endif + NULL +}; + +struct parsed_partitions * +check_partition(struct gendisk *hd, struct block_device *bdev) +{ + struct parsed_partitions *state; + int i, res, err; + + state = kzalloc(sizeof(struct parsed_partitions), GFP_KERNEL); + if (!state) + return NULL; + state->pp_buf = (char *)__get_free_page(GFP_KERNEL); + if (!state->pp_buf) { + kfree(state); + return NULL; + } + state->pp_buf[0] = '\0'; + + state->bdev = bdev; + disk_name(hd, 0, state->name); + snprintf(state->pp_buf, PAGE_SIZE, " %s:", state->name); + if (isdigit(state->name[strlen(state->name)-1])) + sprintf(state->name, "p"); + + state->limit = disk_max_parts(hd); + i = res = err = 0; + while (!res && check_part[i]) { + memset(&state->parts, 0, sizeof(state->parts)); + res = check_part[i++](state); + if (res < 0) { + /* We have hit an I/O error which we don't report now. + * But record it, and let the others do their job. + */ + err = res; + res = 0; + } + + } + if (res > 0) { + printk(KERN_INFO "%s", state->pp_buf); + + free_page((unsigned long)state->pp_buf); + return state; + } + if (state->access_beyond_eod) + err = -ENOSPC; + if (err) + /* The partition is unrecognized. So report I/O errors if there were any */ + res = err; + if (!res) + strlcat(state->pp_buf, " unknown partition table\n", PAGE_SIZE); + else if (warn_no_part) + strlcat(state->pp_buf, " unable to read partition table\n", PAGE_SIZE); + + printk(KERN_INFO "%s", state->pp_buf); + + free_page((unsigned long)state->pp_buf); + kfree(state); + return ERR_PTR(res); +} diff --git a/fs/partitions/check.h b/block/partitions/check.h index d68bf4dc3bc2..52b100311ec3 100644 --- a/fs/partitions/check.h +++ b/block/partitions/check.h @@ -22,6 +22,9 @@ struct parsed_partitions { char *pp_buf; }; +struct parsed_partitions * +check_partition(struct gendisk *, struct block_device *); + static inline void *read_part_sector(struct parsed_partitions *state, sector_t n, Sector *p) { diff --git a/fs/partitions/efi.c b/block/partitions/efi.c index 6296b403c67a..6296b403c67a 100644 --- a/fs/partitions/efi.c +++ b/block/partitions/efi.c diff --git a/fs/partitions/efi.h b/block/partitions/efi.h index b69ab729558f..b69ab729558f 100644 --- a/fs/partitions/efi.h +++ b/block/partitions/efi.h diff --git a/fs/partitions/ibm.c b/block/partitions/ibm.c index d513a07f44bb..d513a07f44bb 100644 --- a/fs/partitions/ibm.c +++ b/block/partitions/ibm.c diff --git a/fs/partitions/ibm.h b/block/partitions/ibm.h index 08fb0804a812..08fb0804a812 100644 --- a/fs/partitions/ibm.h +++ b/block/partitions/ibm.h diff --git a/fs/partitions/karma.c b/block/partitions/karma.c index 0ea19312706b..0ea19312706b 100644 --- a/fs/partitions/karma.c +++ b/block/partitions/karma.c diff --git a/fs/partitions/karma.h b/block/partitions/karma.h index c764b2e9df21..c764b2e9df21 100644 --- a/fs/partitions/karma.h +++ b/block/partitions/karma.h diff --git a/fs/partitions/ldm.c b/block/partitions/ldm.c index bd8ae788f689..bd8ae788f689 100644 --- a/fs/partitions/ldm.c +++ b/block/partitions/ldm.c diff --git a/fs/partitions/ldm.h b/block/partitions/ldm.h index 374242c0971a..374242c0971a 100644 --- a/fs/partitions/ldm.h +++ b/block/partitions/ldm.h diff --git a/fs/partitions/mac.c b/block/partitions/mac.c index 11f688bd76c5..11f688bd76c5 100644 --- a/fs/partitions/mac.c +++ b/block/partitions/mac.c diff --git a/fs/partitions/mac.h b/block/partitions/mac.h index 3c7d98436380..3c7d98436380 100644 --- a/fs/partitions/mac.h +++ b/block/partitions/mac.h diff --git a/fs/partitions/msdos.c b/block/partitions/msdos.c index 5f79a6677c69..5f79a6677c69 100644 --- a/fs/partitions/msdos.c +++ b/block/partitions/msdos.c diff --git a/fs/partitions/msdos.h b/block/partitions/msdos.h index 38c781c490b3..38c781c490b3 100644 --- a/fs/partitions/msdos.h +++ b/block/partitions/msdos.h diff --git a/fs/partitions/osf.c b/block/partitions/osf.c index 764b86a01965..764b86a01965 100644 --- a/fs/partitions/osf.c +++ b/block/partitions/osf.c diff --git a/fs/partitions/osf.h b/block/partitions/osf.h index 20ed2315ec16..20ed2315ec16 100644 --- a/fs/partitions/osf.h +++ b/block/partitions/osf.h diff --git a/fs/partitions/sgi.c b/block/partitions/sgi.c index ea8a86dceaf4..ea8a86dceaf4 100644 --- a/fs/partitions/sgi.c +++ b/block/partitions/sgi.c diff --git a/fs/partitions/sgi.h b/block/partitions/sgi.h index b9553ebdd5a9..b9553ebdd5a9 100644 --- a/fs/partitions/sgi.h +++ b/block/partitions/sgi.h diff --git a/fs/partitions/sun.c b/block/partitions/sun.c index b5b6fcfb3d36..b5b6fcfb3d36 100644 --- a/fs/partitions/sun.c +++ b/block/partitions/sun.c diff --git a/fs/partitions/sun.h b/block/partitions/sun.h index 2424baa8319f..2424baa8319f 100644 --- a/fs/partitions/sun.h +++ b/block/partitions/sun.h diff --git a/fs/partitions/sysv68.c b/block/partitions/sysv68.c index 9627ccffc1c4..9627ccffc1c4 100644 --- a/fs/partitions/sysv68.c +++ b/block/partitions/sysv68.c diff --git a/fs/partitions/sysv68.h b/block/partitions/sysv68.h index bf2f5ffa97ac..bf2f5ffa97ac 100644 --- a/fs/partitions/sysv68.h +++ b/block/partitions/sysv68.h diff --git a/fs/partitions/ultrix.c b/block/partitions/ultrix.c index 8dbaf9f77a99..8dbaf9f77a99 100644 --- a/fs/partitions/ultrix.c +++ b/block/partitions/ultrix.c diff --git a/fs/partitions/ultrix.h b/block/partitions/ultrix.h index a3cc00b2bded..a3cc00b2bded 100644 --- a/fs/partitions/ultrix.h +++ b/block/partitions/ultrix.h diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 7711d94a0409..86933ca8b472 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -873,7 +873,7 @@ DECLARE_FILE_FUNCTIONS(alarm); static const struct battery_file { struct file_operations ops; - mode_t mode; + umode_t mode; const char *name; } acpi_battery_file[] = { FILE_DESCRIPTION_RO(info), diff --git a/drivers/acpi/ec_sys.c b/drivers/acpi/ec_sys.c index 6c47ae9793a7..b258cab9061c 100644 --- a/drivers/acpi/ec_sys.c +++ b/drivers/acpi/ec_sys.c @@ -105,7 +105,7 @@ int acpi_ec_add_debugfs(struct acpi_ec *ec, unsigned int ec_device_count) { struct dentry *dev_dir; char name[64]; - mode_t mode = 0400; + umode_t mode = 0400; if (ec_device_count == 0) { acpi_ec_debugfs_dir = debugfs_create_dir("ec", NULL); diff --git a/drivers/base/core.c b/drivers/base/core.c index 4dac58aa4a0a..4a67cc0c8b37 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -248,7 +248,7 @@ static int dev_uevent(struct kset *kset, struct kobject *kobj, if (MAJOR(dev->devt)) { const char *tmp; const char *name; - mode_t mode = 0; + umode_t mode = 0; add_uevent_var(env, "MAJOR=%u", MAJOR(dev->devt)); add_uevent_var(env, "MINOR=%u", MINOR(dev->devt)); @@ -1235,7 +1235,7 @@ static struct device *next_device(struct klist_iter *i) * freed by the caller. */ const char *device_get_devnode(struct device *dev, - mode_t *mode, const char **tmp) + umode_t *mode, const char **tmp) { char *s; diff --git a/drivers/base/devtmpfs.c b/drivers/base/devtmpfs.c index 2bb4bff3af7d..8493536ea55b 100644 --- a/drivers/base/devtmpfs.c +++ b/drivers/base/devtmpfs.c @@ -40,7 +40,7 @@ static struct req { struct completion done; int err; const char *name; - mode_t mode; /* 0 => delete */ + umode_t mode; /* 0 => delete */ struct device *dev; } *requests; @@ -142,7 +142,7 @@ int devtmpfs_delete_node(struct device *dev) return req.err; } -static int dev_mkdir(const char *name, mode_t mode) +static int dev_mkdir(const char *name, umode_t mode) { struct dentry *dentry; struct path path; @@ -189,7 +189,7 @@ static int create_path(const char *nodepath) return err; } -static int handle_create(const char *nodename, mode_t mode, struct device *dev) +static int handle_create(const char *nodename, umode_t mode, struct device *dev) { struct dentry *dentry; struct path path; @@ -378,7 +378,7 @@ int devtmpfs_mount(const char *mntdir) static DECLARE_COMPLETION(setup_done); -static int handle(const char *name, mode_t mode, struct device *dev) +static int handle(const char *name, umode_t mode, struct device *dev) { if (mode) return handle_create(name, mode, dev); diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c index 8eba86bba599..386146d792d1 100644 --- a/drivers/block/amiflop.c +++ b/drivers/block/amiflop.c @@ -63,7 +63,7 @@ #include <linux/mutex.h> #include <linux/amifdreg.h> #include <linux/amifd.h> -#include <linux/buffer_head.h> +#include <linux/fs.h> #include <linux/blkdev.h> #include <linux/elevator.h> #include <linux/interrupt.h> diff --git a/drivers/block/aoe/aoechr.c b/drivers/block/aoe/aoechr.c index 5f8e39c43ae5..e86d2062a164 100644 --- a/drivers/block/aoe/aoechr.c +++ b/drivers/block/aoe/aoechr.c @@ -270,7 +270,7 @@ static const struct file_operations aoe_fops = { .llseek = noop_llseek, }; -static char *aoe_devnode(struct device *dev, mode_t *mode) +static char *aoe_devnode(struct device *dev, umode_t *mode) { return kasprintf(GFP_KERNEL, "etherd/%s", dev_name(dev)); } diff --git a/drivers/block/brd.c b/drivers/block/brd.c index d22119d49e53..ec246437f5a4 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -17,7 +17,7 @@ #include <linux/highmem.h> #include <linux/mutex.h> #include <linux/radix-tree.h> -#include <linux/buffer_head.h> /* invalidate_bh_lrus() */ +#include <linux/fs.h> #include <linux/slab.h> #include <asm/uaccess.h> @@ -402,14 +402,13 @@ static int brd_ioctl(struct block_device *bdev, fmode_t mode, error = -EBUSY; if (bdev->bd_openers <= 1) { /* - * Invalidate the cache first, so it isn't written - * back to the device. + * Kill the cache first, so it isn't written back to the + * device. * * Another thread might instantiate more buffercache here, * but there is not much we can do to close that race. */ - invalidate_bh_lrus(); - truncate_inode_pages(bdev->bd_inode->i_mapping, 0); + kill_bdev(bdev); brd_free_pages(brd); error = 0; } diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 9955a53733b2..510fb10ec45a 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -188,7 +188,6 @@ static int print_unex = 1; #include <linux/init.h> #include <linux/platform_device.h> #include <linux/mod_devicetable.h> -#include <linux/buffer_head.h> /* for invalidate_buffers() */ #include <linux/mutex.h> #include <linux/io.h> #include <linux/uaccess.h> diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 1e888c9e85b3..f00257782fcc 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -69,7 +69,6 @@ #include <linux/freezer.h> #include <linux/mutex.h> #include <linux/writeback.h> -#include <linux/buffer_head.h> /* for invalidate_bdev() */ #include <linux/completion.h> #include <linux/highmem.h> #include <linux/kthread.h> diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index a63b0a2b7805..d59edeabd93f 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -2817,7 +2817,7 @@ static const struct block_device_operations pktcdvd_ops = { .check_events = pkt_check_events, }; -static char *pktcdvd_devnode(struct gendisk *gd, mode_t *mode) +static char *pktcdvd_devnode(struct gendisk *gd, umode_t *mode) { return kasprintf(GFP_KERNEL, "pktcdvd/%s", gd->disk_name); } diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c index f997c27d79e2..2118211aff99 100644 --- a/drivers/cdrom/cdrom.c +++ b/drivers/cdrom/cdrom.c @@ -267,7 +267,6 @@ #include <linux/module.h> #include <linux/fs.h> -#include <linux/buffer_head.h> #include <linux/major.h> #include <linux/types.h> #include <linux/errno.h> diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 145179033716..d6e9d081c8b1 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -847,7 +847,7 @@ static const struct file_operations kmsg_fops = { static const struct memdev { const char *name; - mode_t mode; + umode_t mode; const struct file_operations *fops; struct backing_dev_info *dev_info; } devlist[] = { @@ -901,7 +901,7 @@ static const struct file_operations memory_fops = { .llseek = noop_llseek, }; -static char *mem_devnode(struct device *dev, mode_t *mode) +static char *mem_devnode(struct device *dev, umode_t *mode) { if (mode && devlist[MINOR(dev->devt)].mode) *mode = devlist[MINOR(dev->devt)].mode; diff --git a/drivers/char/misc.c b/drivers/char/misc.c index 778273c93242..522136d40843 100644 --- a/drivers/char/misc.c +++ b/drivers/char/misc.c @@ -258,7 +258,7 @@ int misc_deregister(struct miscdevice *misc) EXPORT_SYMBOL(misc_register); EXPORT_SYMBOL(misc_deregister); -static char *misc_devnode(struct device *dev, mode_t *mode) +static char *misc_devnode(struct device *dev, umode_t *mode) { struct miscdevice *c = dev_get_drvdata(dev); diff --git a/drivers/char/raw.c b/drivers/char/raw.c index b6de2c047145..54a3a6d09819 100644 --- a/drivers/char/raw.c +++ b/drivers/char/raw.c @@ -308,7 +308,7 @@ static const struct file_operations raw_ctl_fops = { static struct cdev raw_cdev; -static char *raw_devnode(struct device *dev, mode_t *mode) +static char *raw_devnode(struct device *dev, umode_t *mode) { return kasprintf(GFP_KERNEL, "raw/%s", dev_name(dev)); } diff --git a/drivers/char/tile-srom.c b/drivers/char/tile-srom.c index cf3ee008dca2..4dc019408fac 100644 --- a/drivers/char/tile-srom.c +++ b/drivers/char/tile-srom.c @@ -329,7 +329,7 @@ static struct device_attribute srom_dev_attrs[] = { __ATTR_NULL }; -static char *srom_devnode(struct device *dev, mode_t *mode) +static char *srom_devnode(struct device *dev, umode_t *mode) { *mode = S_IRUGO | S_IWUSR; return kasprintf(GFP_KERNEL, "srom/%s", dev_name(dev)); diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c index 2cce44a1d7d0..3ee852c9925b 100644 --- a/drivers/firmware/iscsi_ibft.c +++ b/drivers/firmware/iscsi_ibft.c @@ -433,11 +433,11 @@ static int __init ibft_check_device(void) * Helper routiners to check to determine if the entry is valid * in the proper iBFT structure. */ -static mode_t ibft_check_nic_for(void *data, int type) +static umode_t ibft_check_nic_for(void *data, int type) { struct ibft_kobject *entry = data; struct ibft_nic *nic = entry->nic; - mode_t rc = 0; + umode_t rc = 0; switch (type) { case ISCSI_BOOT_ETH_INDEX: @@ -488,11 +488,11 @@ static mode_t ibft_check_nic_for(void *data, int type) return rc; } -static mode_t __init ibft_check_tgt_for(void *data, int type) +static umode_t __init ibft_check_tgt_for(void *data, int type) { struct ibft_kobject *entry = data; struct ibft_tgt *tgt = entry->tgt; - mode_t rc = 0; + umode_t rc = 0; switch (type) { case ISCSI_BOOT_TGT_INDEX: @@ -524,11 +524,11 @@ static mode_t __init ibft_check_tgt_for(void *data, int type) return rc; } -static mode_t __init ibft_check_initiator_for(void *data, int type) +static umode_t __init ibft_check_initiator_for(void *data, int type) { struct ibft_kobject *entry = data; struct ibft_initiator *init = entry->initiator; - mode_t rc = 0; + umode_t rc = 0; switch (type) { case ISCSI_BOOT_INI_INDEX: diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c index 0f9ef9bf6730..62c3675045ac 100644 --- a/drivers/gpu/drm/drm_sysfs.c +++ b/drivers/gpu/drm/drm_sysfs.c @@ -72,7 +72,7 @@ static int drm_class_resume(struct device *dev) return 0; } -static char *drm_devnode(struct device *dev, mode_t *mode) +static char *drm_devnode(struct device *dev, umode_t *mode) { return kasprintf(GFP_KERNEL, "dri/%s", dev_name(dev)); } diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c index 4ef02b269a71..7c297d305d5d 100644 --- a/drivers/hid/usbhid/hiddev.c +++ b/drivers/hid/usbhid/hiddev.c @@ -859,7 +859,7 @@ static const struct file_operations hiddev_fops = { .llseek = noop_llseek, }; -static char *hiddev_devnode(struct device *dev, mode_t *mode) +static char *hiddev_devnode(struct device *dev, umode_t *mode) { return kasprintf(GFP_KERNEL, "usb/%s", dev_name(dev)); } diff --git a/drivers/hwmon/dme1737.c b/drivers/hwmon/dme1737.c index d9c592713919..d9803958e49f 100644 --- a/drivers/hwmon/dme1737.c +++ b/drivers/hwmon/dme1737.c @@ -1223,7 +1223,7 @@ static ssize_t show_pwm(struct device *dev, struct device_attribute *attr, } static struct attribute *dme1737_pwm_chmod_attr[]; -static void dme1737_chmod_file(struct device*, struct attribute*, mode_t); +static void dme1737_chmod_file(struct device*, struct attribute*, umode_t); static ssize_t set_pwm(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) @@ -1961,7 +1961,7 @@ static inline void dme1737_sio_outb(int sio_cip, int reg, int val) static int dme1737_i2c_get_features(int, struct dme1737_data*); static void dme1737_chmod_file(struct device *dev, - struct attribute *attr, mode_t mode) + struct attribute *attr, umode_t mode) { if (sysfs_chmod_file(&dev->kobj, attr, mode)) { dev_warn(dev, "Failed to change permissions of %s.\n", @@ -1971,7 +1971,7 @@ static void dme1737_chmod_file(struct device *dev, static void dme1737_chmod_group(struct device *dev, const struct attribute_group *group, - mode_t mode) + umode_t mode) { struct attribute **attr; diff --git a/drivers/hwmon/jc42.c b/drivers/hwmon/jc42.c index 2d3d72805ff4..1a92951f4031 100644 --- a/drivers/hwmon/jc42.c +++ b/drivers/hwmon/jc42.c @@ -413,7 +413,7 @@ static struct attribute *jc42_attributes[] = { NULL }; -static mode_t jc42_attribute_mode(struct kobject *kobj, +static umode_t jc42_attribute_mode(struct kobject *kobj, struct attribute *attr, int index) { struct device *dev = container_of(kobj, struct device, kobj); diff --git a/drivers/hwmon/max1668.c b/drivers/hwmon/max1668.c index 20d1b2ddffb6..6914195cfd35 100644 --- a/drivers/hwmon/max1668.c +++ b/drivers/hwmon/max1668.c @@ -335,10 +335,10 @@ static struct attribute *max1668_attribute_unique[] = { NULL }; -static mode_t max1668_attribute_mode(struct kobject *kobj, +static umode_t max1668_attribute_mode(struct kobject *kobj, struct attribute *attr, int index) { - int ret = S_IRUGO; + umode_t ret = S_IRUGO; if (read_only) return ret; if (attr == &sensor_dev_attr_temp1_max.dev_attr.attr || diff --git a/drivers/hwmon/max6650.c b/drivers/hwmon/max6650.c index ece3aafa54b3..2fc034aeca09 100644 --- a/drivers/hwmon/max6650.c +++ b/drivers/hwmon/max6650.c @@ -464,7 +464,7 @@ static SENSOR_DEVICE_ATTR(gpio1_alarm, S_IRUGO, get_alarm, NULL, static SENSOR_DEVICE_ATTR(gpio2_alarm, S_IRUGO, get_alarm, NULL, MAX6650_ALRM_GPIO2); -static mode_t max6650_attrs_visible(struct kobject *kobj, struct attribute *a, +static umode_t max6650_attrs_visible(struct kobject *kobj, struct attribute *a, int n) { struct device *dev = container_of(kobj, struct device, kobj); diff --git a/drivers/hwmon/tmp421.c b/drivers/hwmon/tmp421.c index 0517a8f09d35..c48381f2cd02 100644 --- a/drivers/hwmon/tmp421.c +++ b/drivers/hwmon/tmp421.c @@ -157,7 +157,7 @@ static ssize_t show_fault(struct device *dev, return sprintf(buf, "0\n"); } -static mode_t tmp421_is_visible(struct kobject *kobj, struct attribute *a, +static umode_t tmp421_is_visible(struct kobject *kobj, struct attribute *a, int n) { struct device *dev = container_of(kobj, struct device, kobj); diff --git a/drivers/infiniband/core/cm.c b/drivers/infiniband/core/cm.c index 8b72f39202fb..c889aaef3416 100644 --- a/drivers/infiniband/core/cm.c +++ b/drivers/infiniband/core/cm.c @@ -3659,7 +3659,7 @@ static struct kobj_type cm_port_obj_type = { .release = cm_release_port_obj }; -static char *cm_devnode(struct device *dev, mode_t *mode) +static char *cm_devnode(struct device *dev, umode_t *mode) { if (mode) *mode = 0666; diff --git a/drivers/infiniband/core/user_mad.c b/drivers/infiniband/core/user_mad.c index 07db22997e97..f0d588f8859e 100644 --- a/drivers/infiniband/core/user_mad.c +++ b/drivers/infiniband/core/user_mad.c @@ -1175,7 +1175,7 @@ static void ib_umad_remove_one(struct ib_device *device) kref_put(&umad_dev->ref, ib_umad_release_dev); } -static char *umad_devnode(struct device *dev, mode_t *mode) +static char *umad_devnode(struct device *dev, umode_t *mode) { return kasprintf(GFP_KERNEL, "infiniband/%s", dev_name(dev)); } diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index 879636746373..604556d73d25 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -846,7 +846,7 @@ static void ib_uverbs_remove_one(struct ib_device *device) kfree(uverbs_dev); } -static char *uverbs_devnode(struct device *dev, mode_t *mode) +static char *uverbs_devnode(struct device *dev, umode_t *mode) { if (mode) *mode = 0666; diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c index 31ae1b108aea..b7d4216db3c3 100644 --- a/drivers/infiniband/hw/ipath/ipath_fs.c +++ b/drivers/infiniband/hw/ipath/ipath_fs.c @@ -46,7 +46,7 @@ static struct super_block *ipath_super; static int ipathfs_mknod(struct inode *dir, struct dentry *dentry, - int mode, const struct file_operations *fops, + umode_t mode, const struct file_operations *fops, void *data) { int error; @@ -61,7 +61,7 @@ static int ipathfs_mknod(struct inode *dir, struct dentry *dentry, inode->i_mode = mode; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; inode->i_private = data; - if ((mode & S_IFMT) == S_IFDIR) { + if (S_ISDIR(mode)) { inode->i_op = &simple_dir_inode_operations; inc_nlink(inode); inc_nlink(dir); @@ -76,7 +76,7 @@ bail: return error; } -static int create_file(const char *name, mode_t mode, +static int create_file(const char *name, umode_t mode, struct dentry *parent, struct dentry **dentry, const struct file_operations *fops, void *data) { diff --git a/drivers/infiniband/hw/qib/qib_fs.c b/drivers/infiniband/hw/qib/qib_fs.c index df7fa251dcdc..05e0f17c5b44 100644 --- a/drivers/infiniband/hw/qib/qib_fs.c +++ b/drivers/infiniband/hw/qib/qib_fs.c @@ -47,7 +47,7 @@ static struct super_block *qib_super; #define private2dd(file) ((file)->f_dentry->d_inode->i_private) static int qibfs_mknod(struct inode *dir, struct dentry *dentry, - int mode, const struct file_operations *fops, + umode_t mode, const struct file_operations *fops, void *data) { int error; @@ -67,7 +67,7 @@ static int qibfs_mknod(struct inode *dir, struct dentry *dentry, inode->i_mtime = inode->i_atime; inode->i_ctime = inode->i_atime; inode->i_private = data; - if ((mode & S_IFMT) == S_IFDIR) { + if (S_ISDIR(mode)) { inode->i_op = &simple_dir_inode_operations; inc_nlink(inode); inc_nlink(dir); @@ -82,7 +82,7 @@ bail: return error; } -static int create_file(const char *name, mode_t mode, +static int create_file(const char *name, umode_t mode, struct dentry *parent, struct dentry **dentry, const struct file_operations *fops, void *data) { diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index 7e7373a700e6..9a43cb07f294 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c @@ -638,7 +638,7 @@ iscsi_iser_ep_disconnect(struct iscsi_endpoint *ep) iser_conn_terminate(ib_conn); } -static mode_t iser_attr_is_visible(int param_type, int param) +static umode_t iser_attr_is_visible(int param_type, int param) { switch (param_type) { case ISCSI_HOST_PARAM: diff --git a/drivers/input/input.c b/drivers/input/input.c index da38d97a51b1..1f78c957a75a 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -1624,7 +1624,7 @@ static struct device_type input_dev_type = { #endif }; -static char *input_devnode(struct device *dev, mode_t *mode) +static char *input_devnode(struct device *dev, umode_t *mode) { return kasprintf(GFP_KERNEL, "input/%s", dev_name(dev)); } diff --git a/drivers/input/touchscreen/ad7877.c b/drivers/input/touchscreen/ad7877.c index 400131df677b..baa43df6502d 100644 --- a/drivers/input/touchscreen/ad7877.c +++ b/drivers/input/touchscreen/ad7877.c @@ -612,10 +612,10 @@ static struct attribute *ad7877_attributes[] = { NULL }; -static mode_t ad7877_attr_is_visible(struct kobject *kobj, +static umode_t ad7877_attr_is_visible(struct kobject *kobj, struct attribute *attr, int n) { - mode_t mode = attr->mode; + umode_t mode = attr->mode; if (attr == &dev_attr_aux3.attr) { if (gpio3) diff --git a/drivers/input/touchscreen/tsc2005.c b/drivers/input/touchscreen/tsc2005.c index cbf0ff322676..067d95662997 100644 --- a/drivers/input/touchscreen/tsc2005.c +++ b/drivers/input/touchscreen/tsc2005.c @@ -450,13 +450,13 @@ static struct attribute *tsc2005_attrs[] = { NULL }; -static mode_t tsc2005_attr_is_visible(struct kobject *kobj, +static umode_t tsc2005_attr_is_visible(struct kobject *kobj, struct attribute *attr, int n) { struct device *dev = container_of(kobj, struct device, kobj); struct spi_device *spi = to_spi_device(dev); struct tsc2005 *ts = spi_get_drvdata(spi); - mode_t mode = attr->mode; + umode_t mode = attr->mode; if (attr == &dev_attr_selftest.attr) { if (!ts->set_reset) diff --git a/drivers/md/dm.c b/drivers/md/dm.c index 4720f68f817e..b89c548ec3f8 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -14,7 +14,6 @@ #include <linux/moduleparam.h> #include <linux/blkpg.h> #include <linux/bio.h> -#include <linux/buffer_head.h> #include <linux/mempool.h> #include <linux/slab.h> #include <linux/idr.h> diff --git a/drivers/md/md.c b/drivers/md/md.c index f47f1f8ac44b..5d1b6762f108 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -36,8 +36,7 @@ #include <linux/blkdev.h> #include <linux/sysctl.h> #include <linux/seq_file.h> -#include <linux/mutex.h> -#include <linux/buffer_head.h> /* for invalidate_bdev */ +#include <linux/fs.h> #include <linux/poll.h> #include <linux/ctype.h> #include <linux/string.h> diff --git a/drivers/media/dvb/ddbridge/ddbridge-core.c b/drivers/media/dvb/ddbridge/ddbridge-core.c index ba9a643b9c6a..d1e91bc80e78 100644 --- a/drivers/media/dvb/ddbridge/ddbridge-core.c +++ b/drivers/media/dvb/ddbridge/ddbridge-core.c @@ -1480,7 +1480,7 @@ static const struct file_operations ddb_fops = { .open = ddb_open, }; -static char *ddb_devnode(struct device *device, mode_t *mode) +static char *ddb_devnode(struct device *device, umode_t *mode) { struct ddb *dev = dev_get_drvdata(device); diff --git a/drivers/media/dvb/dvb-core/dvbdev.c b/drivers/media/dvb/dvb-core/dvbdev.c index f73287775953..00a67326c193 100644 --- a/drivers/media/dvb/dvb-core/dvbdev.c +++ b/drivers/media/dvb/dvb-core/dvbdev.c @@ -450,7 +450,7 @@ static int dvb_uevent(struct device *dev, struct kobj_uevent_env *env) return 0; } -static char *dvb_devnode(struct device *dev, mode_t *mode) +static char *dvb_devnode(struct device *dev, umode_t *mode) { struct dvb_device *dvbdev = dev_get_drvdata(dev); diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c index 29f900065d8a..f5db8b949bc3 100644 --- a/drivers/media/rc/rc-main.c +++ b/drivers/media/rc/rc-main.c @@ -715,7 +715,7 @@ static void ir_close(struct input_dev *idev) } /* class for /sys/class/rc */ -static char *ir_devnode(struct device *dev, mode_t *mode) +static char *ir_devnode(struct device *dev, umode_t *mode) { return kasprintf(GFP_KERNEL, "rc/%s", dev_name(dev)); } diff --git a/drivers/message/i2o/i2o_proc.c b/drivers/message/i2o/i2o_proc.c index 07dbeaf9df99..6d115c7208ab 100644 --- a/drivers/message/i2o/i2o_proc.c +++ b/drivers/message/i2o/i2o_proc.c @@ -56,7 +56,7 @@ /* Structure used to define /proc entries */ typedef struct _i2o_proc_entry_t { char *name; /* entry name */ - mode_t mode; /* mode */ + umode_t mode; /* mode */ const struct file_operations *fops; /* open function */ } i2o_proc_entry; diff --git a/drivers/misc/sgi-gru/gruprocfs.c b/drivers/misc/sgi-gru/gruprocfs.c index 7768b87d995b..950dbe9ecb36 100644 --- a/drivers/misc/sgi-gru/gruprocfs.c +++ b/drivers/misc/sgi-gru/gruprocfs.c @@ -324,7 +324,7 @@ static const struct file_operations gru_fops = { static struct proc_entry { char *name; - int mode; + umode_t mode; const struct file_operations *fops; struct proc_dir_entry *entry; } proc_files[] = { diff --git a/drivers/mmc/card/mmc_test.c b/drivers/mmc/card/mmc_test.c index b038c4a9468b..e99bdc18002d 100644 --- a/drivers/mmc/card/mmc_test.c +++ b/drivers/mmc/card/mmc_test.c @@ -2949,7 +2949,7 @@ static void mmc_test_free_dbgfs_file(struct mmc_card *card) } static int __mmc_test_register_dbgfs_file(struct mmc_card *card, - const char *name, mode_t mode, const struct file_operations *fops) + const char *name, umode_t mode, const struct file_operations *fops) { struct dentry *file = NULL; struct mmc_test_dbgfs_file *df; diff --git a/drivers/mtd/devices/block2mtd.c b/drivers/mtd/devices/block2mtd.c index b78f23169d4e..ebeabc727f70 100644 --- a/drivers/mtd/devices/block2mtd.c +++ b/drivers/mtd/devices/block2mtd.c @@ -14,7 +14,6 @@ #include <linux/list.h> #include <linux/init.h> #include <linux/mtd/mtd.h> -#include <linux/buffer_head.h> #include <linux/mutex.h> #include <linux/mount.h> #include <linux/slab.h> diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c index 5ca73671830b..e53365a71484 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/cxgb4vf_main.c @@ -2003,7 +2003,7 @@ static const struct file_operations interfaces_proc_fops = { */ struct cxgb4vf_debugfs_entry { const char *name; /* name of debugfs node */ - mode_t mode; /* file system mode */ + umode_t mode; /* file system mode */ const struct file_operations *fops; }; diff --git a/drivers/net/wireless/ath/carl9170/debug.c b/drivers/net/wireless/ath/carl9170/debug.c index de57f90e1d5f..3c164226687f 100644 --- a/drivers/net/wireless/ath/carl9170/debug.c +++ b/drivers/net/wireless/ath/carl9170/debug.c @@ -56,7 +56,7 @@ static int carl9170_debugfs_open(struct inode *inode, struct file *file) struct carl9170_debugfs_fops { unsigned int read_bufsize; - mode_t attr; + umode_t attr; char *(*read)(struct ar9170 *ar, char *buf, size_t bufsize, ssize_t *len); ssize_t (*write)(struct ar9170 *aru, const char *buf, size_t size); diff --git a/drivers/net/wireless/libertas/debugfs.c b/drivers/net/wireless/libertas/debugfs.c index d8d8f0d0899f..c192671610fc 100644 --- a/drivers/net/wireless/libertas/debugfs.c +++ b/drivers/net/wireless/libertas/debugfs.c @@ -704,7 +704,7 @@ out_unlock: struct lbs_debugfs_files { const char *name; - int perm; + umode_t perm; struct file_operations fops; }; diff --git a/drivers/pci/pci-label.c b/drivers/pci/pci-label.c index 81525ae5d869..edaed6f4da6c 100644 --- a/drivers/pci/pci-label.c +++ b/drivers/pci/pci-label.c @@ -89,7 +89,7 @@ find_smbios_instance_string(struct pci_dev *pdev, char *buf, return 0; } -static mode_t +static umode_t smbios_instance_string_exist(struct kobject *kobj, struct attribute *attr, int n) { @@ -275,7 +275,7 @@ device_has_dsm(struct device *dev) return FALSE; } -static mode_t +static umode_t acpi_index_string_exist(struct kobject *kobj, struct attribute *attr, int n) { struct device *dev; diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index edaccad9b5bf..b7944f903886 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -1477,7 +1477,7 @@ static struct attribute *asus_attributes[] = { NULL }; -static mode_t asus_sysfs_is_visible(struct kobject *kobj, +static umode_t asus_sysfs_is_visible(struct kobject *kobj, struct attribute *attr, int idx) { diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index d1049ee3c9e8..72d731c21d45 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -992,7 +992,7 @@ static struct attribute *hwmon_attributes[] = { NULL }; -static mode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj, +static umode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj, struct attribute *attr, int idx) { struct device *dev = container_of(kobj, struct device, kobj); @@ -1357,7 +1357,7 @@ static struct attribute *platform_attributes[] = { NULL }; -static mode_t asus_sysfs_is_visible(struct kobject *kobj, +static umode_t asus_sysfs_is_visible(struct kobject *kobj, struct attribute *attr, int idx) { struct device *dev = container_of(kobj, struct device, kobj); diff --git a/drivers/platform/x86/asus_acpi.c b/drivers/platform/x86/asus_acpi.c index d9312b3073e5..6f966d6c062b 100644 --- a/drivers/platform/x86/asus_acpi.c +++ b/drivers/platform/x86/asus_acpi.c @@ -1053,7 +1053,7 @@ static const struct file_operations disp_proc_fops = { }; static int -asus_proc_add(char *name, const struct file_operations *proc_fops, mode_t mode, +asus_proc_add(char *name, const struct file_operations *proc_fops, umode_t mode, struct acpi_device *device) { struct proc_dir_entry *proc; @@ -1072,7 +1072,7 @@ asus_proc_add(char *name, const struct file_operations *proc_fops, mode_t mode, static int asus_hotk_add_fs(struct acpi_device *device) { struct proc_dir_entry *proc; - mode_t mode; + umode_t mode; if ((asus_uid == 0) && (asus_gid == 0)) { mode = S_IFREG | S_IRUGO | S_IWUSR | S_IWGRP; diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c index a36addf106a0..ac902f7a9baa 100644 --- a/drivers/platform/x86/ideapad-laptop.c +++ b/drivers/platform/x86/ideapad-laptop.c @@ -368,7 +368,7 @@ static struct attribute *ideapad_attributes[] = { NULL }; -static mode_t ideapad_is_visible(struct kobject *kobj, +static umode_t ideapad_is_visible(struct kobject *kobj, struct attribute *attr, int idx) { diff --git a/drivers/platform/x86/intel_menlow.c b/drivers/platform/x86/intel_menlow.c index abddc83e9fd7..3271ac85115e 100644 --- a/drivers/platform/x86/intel_menlow.c +++ b/drivers/platform/x86/intel_menlow.c @@ -389,7 +389,7 @@ static ssize_t bios_enabled_show(struct device *dev, return sprintf(buf, "%s\n", bios_enabled ? "enabled" : "disabled"); } -static int intel_menlow_add_one_attribute(char *name, int mode, void *show, +static int intel_menlow_add_one_attribute(char *name, umode_t mode, void *show, void *store, struct device *dev, acpi_handle handle) { diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 7b828680b21d..455e1522253e 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -297,7 +297,7 @@ struct ibm_init_struct { char param[32]; int (*init) (struct ibm_init_struct *); - mode_t base_procfs_mode; + umode_t base_procfs_mode; struct ibm_struct *data; }; @@ -8542,7 +8542,7 @@ static int __init ibm_init(struct ibm_init_struct *iibm) "%s installed\n", ibm->name); if (ibm->read) { - mode_t mode = iibm->base_procfs_mode; + umode_t mode = iibm->base_procfs_mode; if (!mode) mode = S_IRUGO; diff --git a/drivers/power/power_supply_sysfs.c b/drivers/power/power_supply_sysfs.c index e15d4c9d3988..e95cd657dac2 100644 --- a/drivers/power/power_supply_sysfs.c +++ b/drivers/power/power_supply_sysfs.c @@ -176,13 +176,13 @@ static struct device_attribute power_supply_attrs[] = { static struct attribute * __power_supply_attrs[ARRAY_SIZE(power_supply_attrs) + 1]; -static mode_t power_supply_attr_is_visible(struct kobject *kobj, +static umode_t power_supply_attr_is_visible(struct kobject *kobj, struct attribute *attr, int attrno) { struct device *dev = container_of(kobj, struct device, kobj); struct power_supply *psy = dev_get_drvdata(dev); - mode_t mode = S_IRUSR | S_IRGRP | S_IROTH; + umode_t mode = S_IRUSR | S_IRGRP | S_IROTH; int i; if (attrno == POWER_SUPPLY_PROP_TYPE) diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 65894f05a801..eef27a197c00 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -17,7 +17,6 @@ #include <linux/ctype.h> #include <linux/major.h> #include <linux/slab.h> -#include <linux/buffer_head.h> #include <linux/hdreg.h> #include <linux/async.h> #include <linux/mutex.h> @@ -1073,7 +1072,7 @@ static const struct file_operations dasd_stats_global_fops = { static void dasd_profile_init(struct dasd_profile *profile, struct dentry *base_dentry) { - mode_t mode; + umode_t mode; struct dentry *pde; if (!base_dentry) @@ -1112,7 +1111,7 @@ static void dasd_statistics_removeroot(void) static void dasd_statistics_createroot(void) { - mode_t mode; + umode_t mode; struct dentry *pde; dasd_debugfs_root_entry = NULL; diff --git a/drivers/scsi/be2iscsi/be_iscsi.c b/drivers/scsi/be2iscsi/be_iscsi.c index 8b002f6db6ca..33c8f09c7ac1 100644 --- a/drivers/scsi/be2iscsi/be_iscsi.c +++ b/drivers/scsi/be2iscsi/be_iscsi.c @@ -733,7 +733,7 @@ void beiscsi_ep_disconnect(struct iscsi_endpoint *ep) iscsi_destroy_endpoint(beiscsi_ep->openiscsi_ep); } -mode_t be2iscsi_attr_is_visible(int param_type, int param) +umode_t be2iscsi_attr_is_visible(int param_type, int param) { switch (param_type) { case ISCSI_HOST_PARAM: diff --git a/drivers/scsi/be2iscsi/be_iscsi.h b/drivers/scsi/be2iscsi/be_iscsi.h index 4a1f2e393f31..5c45be134501 100644 --- a/drivers/scsi/be2iscsi/be_iscsi.h +++ b/drivers/scsi/be2iscsi/be_iscsi.h @@ -26,7 +26,7 @@ #define BE2_IPV4 0x1 #define BE2_IPV6 0x10 -mode_t be2iscsi_attr_is_visible(int param_type, int param); +umode_t be2iscsi_attr_is_visible(int param_type, int param); void beiscsi_offload_connection(struct beiscsi_conn *beiscsi_conn, struct beiscsi_offload_params *params); diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index 379c696dac19..797a43994b55 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -325,9 +325,9 @@ static ssize_t beiscsi_show_boot_eth_info(void *data, int type, char *buf) } -static mode_t beiscsi_tgt_get_attr_visibility(void *data, int type) +static umode_t beiscsi_tgt_get_attr_visibility(void *data, int type) { - int rc; + umode_t rc; switch (type) { case ISCSI_BOOT_TGT_NAME: @@ -348,9 +348,9 @@ static mode_t beiscsi_tgt_get_attr_visibility(void *data, int type) return rc; } -static mode_t beiscsi_ini_get_attr_visibility(void *data, int type) +static umode_t beiscsi_ini_get_attr_visibility(void *data, int type) { - int rc; + umode_t rc; switch (type) { case ISCSI_BOOT_INI_INITIATOR_NAME: @@ -364,9 +364,9 @@ static mode_t beiscsi_ini_get_attr_visibility(void *data, int type) } -static mode_t beiscsi_eth_get_attr_visibility(void *data, int type) +static umode_t beiscsi_eth_get_attr_visibility(void *data, int type) { - int rc; + umode_t rc; switch (type) { case ISCSI_BOOT_ETH_FLAGS: diff --git a/drivers/scsi/bfa/bfad_debugfs.c b/drivers/scsi/bfa/bfad_debugfs.c index dee1a094c2c2..caca9b7c8309 100644 --- a/drivers/scsi/bfa/bfad_debugfs.c +++ b/drivers/scsi/bfa/bfad_debugfs.c @@ -472,7 +472,7 @@ static const struct file_operations bfad_debugfs_op_regwr = { struct bfad_debugfs_entry { const char *name; - mode_t mode; + umode_t mode; const struct file_operations *fops; }; diff --git a/drivers/scsi/bnx2i/bnx2i_iscsi.c b/drivers/scsi/bnx2i/bnx2i_iscsi.c index d1e697190970..1a44b45e7bef 100644 --- a/drivers/scsi/bnx2i/bnx2i_iscsi.c +++ b/drivers/scsi/bnx2i/bnx2i_iscsi.c @@ -2177,7 +2177,7 @@ static int bnx2i_nl_set_path(struct Scsi_Host *shost, struct iscsi_path *params) return 0; } -static mode_t bnx2i_attr_is_visible(int param_type, int param) +static umode_t bnx2i_attr_is_visible(int param_type, int param) { switch (param_type) { case ISCSI_HOST_PARAM: diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index 1d25a87aa47b..c5360ffb4bed 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -2575,7 +2575,7 @@ void cxgbi_iscsi_cleanup(struct iscsi_transport *itp, } EXPORT_SYMBOL_GPL(cxgbi_iscsi_cleanup); -mode_t cxgbi_attr_is_visible(int param_type, int param) +umode_t cxgbi_attr_is_visible(int param_type, int param) { switch (param_type) { case ISCSI_HOST_PARAM: diff --git a/drivers/scsi/cxgbi/libcxgbi.h b/drivers/scsi/cxgbi/libcxgbi.h index 20c88279c7a6..80fa99b3d384 100644 --- a/drivers/scsi/cxgbi/libcxgbi.h +++ b/drivers/scsi/cxgbi/libcxgbi.h @@ -709,7 +709,7 @@ int cxgbi_conn_xmit_pdu(struct iscsi_task *); void cxgbi_cleanup_task(struct iscsi_task *task); -mode_t cxgbi_attr_is_visible(int param_type, int param); +umode_t cxgbi_attr_is_visible(int param_type, int param); void cxgbi_get_conn_stats(struct iscsi_cls_conn *, struct iscsi_stats *); int cxgbi_set_conn_param(struct iscsi_cls_conn *, enum iscsi_param, char *, int); diff --git a/drivers/scsi/iscsi_boot_sysfs.c b/drivers/scsi/iscsi_boot_sysfs.c index 89700cbca16e..14c1c8f6a95e 100644 --- a/drivers/scsi/iscsi_boot_sysfs.c +++ b/drivers/scsi/iscsi_boot_sysfs.c @@ -112,7 +112,7 @@ static struct attribute *target_attrs[] = { NULL }; -static mode_t iscsi_boot_tgt_attr_is_visible(struct kobject *kobj, +static umode_t iscsi_boot_tgt_attr_is_visible(struct kobject *kobj, struct attribute *attr, int i) { struct iscsi_boot_kobj *boot_kobj = @@ -193,7 +193,7 @@ static struct attribute *ethernet_attrs[] = { NULL }; -static mode_t iscsi_boot_eth_attr_is_visible(struct kobject *kobj, +static umode_t iscsi_boot_eth_attr_is_visible(struct kobject *kobj, struct attribute *attr, int i) { struct iscsi_boot_kobj *boot_kobj = @@ -265,7 +265,7 @@ static struct attribute *initiator_attrs[] = { NULL }; -static mode_t iscsi_boot_ini_attr_is_visible(struct kobject *kobj, +static umode_t iscsi_boot_ini_attr_is_visible(struct kobject *kobj, struct attribute *attr, int i) { struct iscsi_boot_kobj *boot_kobj = @@ -306,7 +306,7 @@ iscsi_boot_create_kobj(struct iscsi_boot_kset *boot_kset, struct attribute_group *attr_group, const char *name, int index, void *data, ssize_t (*show) (void *data, int type, char *buf), - mode_t (*is_visible) (void *data, int type), + umode_t (*is_visible) (void *data, int type), void (*release) (void *data)) { struct iscsi_boot_kobj *boot_kobj; @@ -369,7 +369,7 @@ struct iscsi_boot_kobj * iscsi_boot_create_target(struct iscsi_boot_kset *boot_kset, int index, void *data, ssize_t (*show) (void *data, int type, char *buf), - mode_t (*is_visible) (void *data, int type), + umode_t (*is_visible) (void *data, int type), void (*release) (void *data)) { return iscsi_boot_create_kobj(boot_kset, &iscsi_boot_target_attr_group, @@ -394,7 +394,7 @@ struct iscsi_boot_kobj * iscsi_boot_create_initiator(struct iscsi_boot_kset *boot_kset, int index, void *data, ssize_t (*show) (void *data, int type, char *buf), - mode_t (*is_visible) (void *data, int type), + umode_t (*is_visible) (void *data, int type), void (*release) (void *data)) { return iscsi_boot_create_kobj(boot_kset, @@ -420,7 +420,7 @@ struct iscsi_boot_kobj * iscsi_boot_create_ethernet(struct iscsi_boot_kset *boot_kset, int index, void *data, ssize_t (*show) (void *data, int type, char *buf), - mode_t (*is_visible) (void *data, int type), + umode_t (*is_visible) (void *data, int type), void (*release) (void *data)) { return iscsi_boot_create_kobj(boot_kset, diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index 7c34d8e7cc75..db47158e0dde 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -873,7 +873,7 @@ static void iscsi_sw_tcp_session_destroy(struct iscsi_cls_session *cls_session) iscsi_host_free(shost); } -static mode_t iscsi_sw_tcp_attr_is_visible(int param_type, int param) +static umode_t iscsi_sw_tcp_attr_is_visible(int param_type, int param) { switch (param_type) { case ISCSI_HOST_PARAM: diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index 4169c8baa112..78bf700b365f 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -128,7 +128,7 @@ static int qla4xxx_eh_host_reset(struct scsi_cmnd *cmd); static int qla4xxx_slave_alloc(struct scsi_device *device); static int qla4xxx_slave_configure(struct scsi_device *device); static void qla4xxx_slave_destroy(struct scsi_device *sdev); -static mode_t ql4_attr_is_visible(int param_type, int param); +static umode_t ql4_attr_is_visible(int param_type, int param); static int qla4xxx_host_reset(struct Scsi_Host *shost, int reset_type); static struct qla4_8xxx_legacy_intr_set legacy_intr[] = @@ -197,7 +197,7 @@ static struct iscsi_transport qla4xxx_iscsi_transport = { static struct scsi_transport_template *qla4xxx_scsi_transport; -static mode_t ql4_attr_is_visible(int param_type, int param) +static umode_t ql4_attr_is_visible(int param_type, int param) { switch (param_type) { case ISCSI_HOST_PARAM: @@ -3039,7 +3039,7 @@ static ssize_t qla4xxx_show_boot_eth_info(void *data, int type, char *buf) return rc; } -static mode_t qla4xxx_eth_get_attr_visibility(void *data, int type) +static umode_t qla4xxx_eth_get_attr_visibility(void *data, int type) { int rc; @@ -3073,7 +3073,7 @@ static ssize_t qla4xxx_show_boot_ini_info(void *data, int type, char *buf) return rc; } -static mode_t qla4xxx_ini_get_attr_visibility(void *data, int type) +static umode_t qla4xxx_ini_get_attr_visibility(void *data, int type) { int rc; @@ -3160,7 +3160,7 @@ static ssize_t qla4xxx_show_boot_tgt_sec_info(void *data, int type, char *buf) return qla4xxx_show_boot_tgt_info(boot_sess, type, buf); } -static mode_t qla4xxx_tgt_get_attr_visibility(void *data, int type) +static umode_t qla4xxx_tgt_get_attr_visibility(void *data, int type) { int rc; diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 96029e6d027f..e8447fbc31f3 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -328,7 +328,7 @@ iscsi_iface_net_attr(iface, vlan_enabled, ISCSI_NET_PARAM_VLAN_ENABLED); iscsi_iface_net_attr(iface, mtu, ISCSI_NET_PARAM_MTU); iscsi_iface_net_attr(iface, port, ISCSI_NET_PARAM_PORT); -static mode_t iscsi_iface_attr_is_visible(struct kobject *kobj, +static umode_t iscsi_iface_attr_is_visible(struct kobject *kobj, struct attribute *attr, int i) { struct device *dev = container_of(kobj, struct device, kobj); @@ -2199,7 +2199,7 @@ static struct attribute *iscsi_conn_attrs[] = { NULL, }; -static mode_t iscsi_conn_attr_is_visible(struct kobject *kobj, +static umode_t iscsi_conn_attr_is_visible(struct kobject *kobj, struct attribute *attr, int i) { struct device *cdev = container_of(kobj, struct device, kobj); @@ -2370,7 +2370,7 @@ static struct attribute *iscsi_session_attrs[] = { NULL, }; -static mode_t iscsi_session_attr_is_visible(struct kobject *kobj, +static umode_t iscsi_session_attr_is_visible(struct kobject *kobj, struct attribute *attr, int i) { struct device *cdev = container_of(kobj, struct device, kobj); @@ -2468,7 +2468,7 @@ static struct attribute *iscsi_host_attrs[] = { NULL, }; -static mode_t iscsi_host_attr_is_visible(struct kobject *kobj, +static umode_t iscsi_host_attr_is_visible(struct kobject *kobj, struct attribute *attr, int i) { struct device *cdev = container_of(kobj, struct device, kobj); diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c index 5fbeadd96819..a2715c31e754 100644 --- a/drivers/scsi/scsi_transport_spi.c +++ b/drivers/scsi/scsi_transport_spi.c @@ -1434,7 +1434,7 @@ static int spi_host_configure(struct transport_container *tc, (si->f->show_##name ? S_IRUGO : 0) | \ (si->f->set_##name ? S_IWUSR : 0) -static mode_t target_attribute_is_visible(struct kobject *kobj, +static umode_t target_attribute_is_visible(struct kobject *kobj, struct attribute *attr, int i) { struct device *cdev = container_of(kobj, struct device, kobj); diff --git a/drivers/scsi/scsicam.c b/drivers/scsi/scsicam.c index 6803b1e26ecc..92d24d6dcb39 100644 --- a/drivers/scsi/scsicam.c +++ b/drivers/scsi/scsicam.c @@ -16,7 +16,6 @@ #include <linux/genhd.h> #include <linux/kernel.h> #include <linux/blkdev.h> -#include <linux/buffer_head.h> #include <asm/unaligned.h> #include <scsi/scsicam.h> diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 441a1c5b8974..02d99982a74d 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -2325,16 +2325,15 @@ static struct sg_proc_leaf sg_proc_leaf_arr[] = { static int sg_proc_init(void) { - int k, mask; int num_leaves = ARRAY_SIZE(sg_proc_leaf_arr); - struct sg_proc_leaf * leaf; + int k; sg_proc_sgp = proc_mkdir(sg_proc_sg_dirname, NULL); if (!sg_proc_sgp) return 1; for (k = 0; k < num_leaves; ++k) { - leaf = &sg_proc_leaf_arr[k]; - mask = leaf->fops->write ? S_IRUGO | S_IWUSR : S_IRUGO; + struct sg_proc_leaf *leaf = &sg_proc_leaf_arr[k]; + umode_t mask = leaf->fops->write ? S_IRUGO | S_IWUSR : S_IRUGO; proc_create(leaf->name, mask, sg_proc_sgp, leaf->fops); } return 0; diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c index a6a4a4e1f183..797e65cd03e8 100644 --- a/drivers/staging/iio/adc/ad7192.c +++ b/drivers/staging/iio/adc/ad7192.c @@ -838,14 +838,14 @@ static struct attribute *ad7192_attributes[] = { NULL }; -static mode_t ad7192_attr_is_visible(struct kobject *kobj, +static umode_t ad7192_attr_is_visible(struct kobject *kobj, struct attribute *attr, int n) { struct device *dev = container_of(kobj, struct device, kobj); struct iio_dev *indio_dev = dev_get_drvdata(dev); struct ad7192_state *st = iio_priv(indio_dev); - mode_t mode = attr->mode; + umode_t mode = attr->mode; if ((st->devid != ID_AD7195) && (attr == &iio_dev_attr_ac_excitation_en.dev_attr.attr)) diff --git a/drivers/staging/iio/adc/ad7606_core.c b/drivers/staging/iio/adc/ad7606_core.c index 54423ab196fe..e3ecd3d2ef3a 100644 --- a/drivers/staging/iio/adc/ad7606_core.c +++ b/drivers/staging/iio/adc/ad7606_core.c @@ -205,14 +205,14 @@ static struct attribute *ad7606_attributes[] = { NULL, }; -static mode_t ad7606_attr_is_visible(struct kobject *kobj, +static umode_t ad7606_attr_is_visible(struct kobject *kobj, struct attribute *attr, int n) { struct device *dev = container_of(kobj, struct device, kobj); struct iio_dev *indio_dev = dev_get_drvdata(dev); struct ad7606_state *st = iio_priv(indio_dev); - mode_t mode = attr->mode; + umode_t mode = attr->mode; if (!(gpio_is_valid(st->pdata->gpio_os0) && gpio_is_valid(st->pdata->gpio_os1) && diff --git a/drivers/staging/iio/dac/ad5446.c b/drivers/staging/iio/dac/ad5446.c index ac3bc5f52dcc..ec701e939b6b 100644 --- a/drivers/staging/iio/dac/ad5446.c +++ b/drivers/staging/iio/dac/ad5446.c @@ -197,14 +197,14 @@ static struct attribute *ad5446_attributes[] = { NULL, }; -static mode_t ad5446_attr_is_visible(struct kobject *kobj, +static umode_t ad5446_attr_is_visible(struct kobject *kobj, struct attribute *attr, int n) { struct device *dev = container_of(kobj, struct device, kobj); struct iio_dev *indio_dev = dev_get_drvdata(dev); struct ad5446_state *st = iio_priv(indio_dev); - mode_t mode = attr->mode; + umode_t mode = attr->mode; if (!st->chip_info->store_pwr_down && (attr == &iio_dev_attr_out_voltage0_powerdown.dev_attr.attr || diff --git a/drivers/staging/iio/dds/ad9834.c b/drivers/staging/iio/dds/ad9834.c index 2b31e3524826..51fda6f69815 100644 --- a/drivers/staging/iio/dds/ad9834.c +++ b/drivers/staging/iio/dds/ad9834.c @@ -281,14 +281,14 @@ static struct attribute *ad9834_attributes[] = { NULL, }; -static mode_t ad9834_attr_is_visible(struct kobject *kobj, +static umode_t ad9834_attr_is_visible(struct kobject *kobj, struct attribute *attr, int n) { struct device *dev = container_of(kobj, struct device, kobj); struct iio_dev *indio_dev = dev_get_drvdata(dev); struct ad9834_state *st = iio_priv(indio_dev); - mode_t mode = attr->mode; + umode_t mode = attr->mode; if (((st->devid == ID_AD9833) || (st->devid == ID_AD9837)) && ((attr == &iio_dev_attr_dds0_out1_enable.dev_attr.attr) || diff --git a/drivers/staging/pohmelfs/dir.c b/drivers/staging/pohmelfs/dir.c index 7598e77672a5..2ee4491b7136 100644 --- a/drivers/staging/pohmelfs/dir.c +++ b/drivers/staging/pohmelfs/dir.c @@ -590,13 +590,13 @@ out: * during writeback for given inode. */ struct pohmelfs_inode *pohmelfs_create_entry_local(struct pohmelfs_sb *psb, - struct pohmelfs_inode *parent, struct qstr *str, u64 start, int mode) + struct pohmelfs_inode *parent, struct qstr *str, u64 start, umode_t mode) { struct pohmelfs_inode *npi; int err = -ENOMEM; struct netfs_inode_info info; - dprintk("%s: name: '%s', mode: %o, start: %llu.\n", + dprintk("%s: name: '%s', mode: %ho, start: %llu.\n", __func__, str->name, mode, start); info.mode = mode; @@ -630,7 +630,8 @@ err_out_unlock: /* * Create local object and bind it to dentry. */ -static int pohmelfs_create_entry(struct inode *dir, struct dentry *dentry, u64 start, int mode) +static int pohmelfs_create_entry(struct inode *dir, struct dentry *dentry, + u64 start, umode_t mode) { struct pohmelfs_sb *psb = POHMELFS_SB(dir->i_sb); struct pohmelfs_inode *npi, *parent; @@ -661,13 +662,13 @@ static int pohmelfs_create_entry(struct inode *dir, struct dentry *dentry, u64 s /* * VFS create and mkdir callbacks. */ -static int pohmelfs_create(struct inode *dir, struct dentry *dentry, int mode, +static int pohmelfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { return pohmelfs_create_entry(dir, dentry, 0, mode); } -static int pohmelfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int pohmelfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { int err; diff --git a/drivers/staging/pohmelfs/inode.c b/drivers/staging/pohmelfs/inode.c index 7a1955583b7d..807e3f324113 100644 --- a/drivers/staging/pohmelfs/inode.c +++ b/drivers/staging/pohmelfs/inode.c @@ -830,7 +830,6 @@ const struct address_space_operations pohmelfs_aops = { static void pohmelfs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(pohmelfs_inode_cache, POHMELFS_I(inode)); } @@ -1370,9 +1369,9 @@ static int pohmelfs_statfs(struct dentry *dentry, struct kstatfs *buf) return 0; } -static int pohmelfs_show_options(struct seq_file *seq, struct vfsmount *vfs) +static int pohmelfs_show_options(struct seq_file *seq, struct dentry *root) { - struct pohmelfs_sb *psb = POHMELFS_SB(vfs->mnt_sb); + struct pohmelfs_sb *psb = POHMELFS_SB(root->d_sb); seq_printf(seq, ",idx=%u", psb->idx); seq_printf(seq, ",trans_scan_timeout=%u", jiffies_to_msecs(psb->trans_scan_timeout)); @@ -1760,11 +1759,11 @@ err_out_exit: return err; } -static int pohmelfs_show_stats(struct seq_file *m, struct vfsmount *mnt) +static int pohmelfs_show_stats(struct seq_file *m, struct dentry *root) { struct netfs_state *st; struct pohmelfs_ctl *ctl; - struct pohmelfs_sb *psb = POHMELFS_SB(mnt->mnt_sb); + struct pohmelfs_sb *psb = POHMELFS_SB(root->d_sb); struct pohmelfs_config *c; mutex_lock(&psb->state_lock); diff --git a/drivers/staging/pohmelfs/netfs.h b/drivers/staging/pohmelfs/netfs.h index 985b6b755d5d..f26894f2a57f 100644 --- a/drivers/staging/pohmelfs/netfs.h +++ b/drivers/staging/pohmelfs/netfs.h @@ -776,7 +776,7 @@ struct pohmelfs_name *pohmelfs_search_hash(struct pohmelfs_inode *pi, u32 hash); void pohmelfs_inode_del_inode(struct pohmelfs_sb *psb, struct pohmelfs_inode *pi); struct pohmelfs_inode *pohmelfs_create_entry_local(struct pohmelfs_sb *psb, - struct pohmelfs_inode *parent, struct qstr *str, u64 start, int mode); + struct pohmelfs_inode *parent, struct qstr *str, u64 start, umode_t mode); int pohmelfs_write_create_inode(struct pohmelfs_inode *pi); diff --git a/drivers/tty/sysrq.c b/drivers/tty/sysrq.c index 43db715f1502..7867b7c4538e 100644 --- a/drivers/tty/sysrq.c +++ b/drivers/tty/sysrq.c @@ -32,7 +32,6 @@ #include <linux/module.h> #include <linux/suspend.h> #include <linux/writeback.h> -#include <linux/buffer_head.h> /* for fsync_bdev() */ #include <linux/swap.h> #include <linux/spinlock.h> #include <linux/vt_kern.h> @@ -41,6 +40,7 @@ #include <linux/oom.h> #include <linux/slab.h> #include <linux/input.h> +#include <linux/uaccess.h> #include <asm/ptrace.h> #include <asm/irq_regs.h> diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c index 05085beb83db..3fdebd306b94 100644 --- a/drivers/tty/tty_io.c +++ b/drivers/tty/tty_io.c @@ -3267,7 +3267,7 @@ void __init console_init(void) } } -static char *tty_devnode(struct device *dev, mode_t *mode) +static char *tty_devnode(struct device *dev, umode_t *mode) { if (!mode) return NULL; diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index 81ef2e207a8d..a68c1a63dc65 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -1045,7 +1045,7 @@ static const struct file_operations usblp_fops = { .llseek = noop_llseek, }; -static char *usblp_devnode(struct device *dev, mode_t *mode) +static char *usblp_devnode(struct device *dev, umode_t *mode) { return kasprintf(GFP_KERNEL, "usb/%s", dev_name(dev)); } diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c index 99458c843d60..d95760de9e8b 100644 --- a/drivers/usb/core/file.c +++ b/drivers/usb/core/file.c @@ -66,7 +66,7 @@ static struct usb_class { struct class *class; } *usb_class; -static char *usb_devnode(struct device *dev, mode_t *mode) +static char *usb_devnode(struct device *dev, umode_t *mode) { struct usb_class_driver *drv; diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c index 2278dad886e2..9e186f3da839 100644 --- a/drivers/usb/core/inode.c +++ b/drivers/usb/core/inode.c @@ -65,7 +65,7 @@ static umode_t devmode = USBFS_DEFAULT_DEVMODE; static umode_t busmode = USBFS_DEFAULT_BUSMODE; static umode_t listmode = USBFS_DEFAULT_LISTMODE; -static int usbfs_show_options(struct seq_file *seq, struct vfsmount *mnt) +static int usbfs_show_options(struct seq_file *seq, struct dentry *root) { if (devuid != 0) seq_printf(seq, ",devuid=%u", devuid); @@ -264,21 +264,19 @@ static int remount(struct super_block *sb, int *flags, char *data) return -EINVAL; } - if (usbfs_mount && usbfs_mount->mnt_sb) + if (usbfs_mount) update_sb(usbfs_mount->mnt_sb); return 0; } -static struct inode *usbfs_get_inode (struct super_block *sb, int mode, dev_t dev) +static struct inode *usbfs_get_inode (struct super_block *sb, umode_t mode, dev_t dev) { struct inode *inode = new_inode(sb); if (inode) { inode->i_ino = get_next_ino(); - inode->i_mode = mode; - inode->i_uid = current_fsuid(); - inode->i_gid = current_fsgid(); + inode_init_owner(inode, NULL, mode); inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; switch (mode & S_IFMT) { default: @@ -300,7 +298,7 @@ static struct inode *usbfs_get_inode (struct super_block *sb, int mode, dev_t de } /* SMP-safe */ -static int usbfs_mknod (struct inode *dir, struct dentry *dentry, int mode, +static int usbfs_mknod (struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) { struct inode *inode = usbfs_get_inode(dir->i_sb, mode, dev); @@ -317,7 +315,7 @@ static int usbfs_mknod (struct inode *dir, struct dentry *dentry, int mode, return error; } -static int usbfs_mkdir (struct inode *dir, struct dentry *dentry, int mode) +static int usbfs_mkdir (struct inode *dir, struct dentry *dentry, umode_t mode) { int res; @@ -328,7 +326,7 @@ static int usbfs_mkdir (struct inode *dir, struct dentry *dentry, int mode) return res; } -static int usbfs_create (struct inode *dir, struct dentry *dentry, int mode) +static int usbfs_create (struct inode *dir, struct dentry *dentry, umode_t mode) { mode = (mode & S_IALLUGO) | S_IFREG; return usbfs_mknod (dir, dentry, mode, 0); @@ -489,7 +487,7 @@ static int usbfs_fill_super(struct super_block *sb, void *data, int silent) * * This function handles both regular files and directories. */ -static int fs_create_by_name (const char *name, mode_t mode, +static int fs_create_by_name (const char *name, umode_t mode, struct dentry *parent, struct dentry **dentry) { int error = 0; @@ -500,9 +498,8 @@ static int fs_create_by_name (const char *name, mode_t mode, * have around. */ if (!parent ) { - if (usbfs_mount && usbfs_mount->mnt_sb) { - parent = usbfs_mount->mnt_sb->s_root; - } + if (usbfs_mount) + parent = usbfs_mount->mnt_root; } if (!parent) { @@ -514,7 +511,7 @@ static int fs_create_by_name (const char *name, mode_t mode, mutex_lock(&parent->d_inode->i_mutex); *dentry = lookup_one_len(name, parent, strlen(name)); if (!IS_ERR(*dentry)) { - if ((mode & S_IFMT) == S_IFDIR) + if (S_ISDIR(mode)) error = usbfs_mkdir (parent->d_inode, *dentry, mode); else error = usbfs_create (parent->d_inode, *dentry, mode); @@ -525,7 +522,7 @@ static int fs_create_by_name (const char *name, mode_t mode, return error; } -static struct dentry *fs_create_file (const char *name, mode_t mode, +static struct dentry *fs_create_file (const char *name, umode_t mode, struct dentry *parent, void *data, const struct file_operations *fops, uid_t uid, gid_t gid) @@ -608,7 +605,7 @@ static int create_special_files (void) ignore_mount = 0; - parent = usbfs_mount->mnt_sb->s_root; + parent = usbfs_mount->mnt_root; devices_usbfs_dentry = fs_create_file ("devices", listmode | S_IFREG, parent, NULL, &usbfs_devices_fops, @@ -662,7 +659,7 @@ static void usbfs_add_bus(struct usb_bus *bus) sprintf (name, "%03d", bus->busnum); - parent = usbfs_mount->mnt_sb->s_root; + parent = usbfs_mount->mnt_root; bus->usbfs_dentry = fs_create_file (name, busmode | S_IFDIR, parent, bus, NULL, busuid, busgid); if (bus->usbfs_dentry == NULL) { diff --git a/drivers/usb/core/sysfs.c b/drivers/usb/core/sysfs.c index 662c0cf3a3e1..9e491ca2e5c4 100644 --- a/drivers/usb/core/sysfs.c +++ b/drivers/usb/core/sysfs.c @@ -642,7 +642,7 @@ static struct attribute *dev_string_attrs[] = { NULL }; -static mode_t dev_string_attrs_are_visible(struct kobject *kobj, +static umode_t dev_string_attrs_are_visible(struct kobject *kobj, struct attribute *a, int n) { struct device *dev = container_of(kobj, struct device, kobj); @@ -877,7 +877,7 @@ static struct attribute *intf_assoc_attrs[] = { NULL, }; -static mode_t intf_assoc_attrs_are_visible(struct kobject *kobj, +static umode_t intf_assoc_attrs_are_visible(struct kobject *kobj, struct attribute *a, int n) { struct device *dev = container_of(kobj, struct device, kobj); diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 73cd90012ec5..1382c90d0834 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -326,7 +326,7 @@ static const struct dev_pm_ops usb_device_pm_ops = { #endif /* CONFIG_PM */ -static char *usb_devnode(struct device *dev, mode_t *mode) +static char *usb_devnode(struct device *dev, umode_t *mode) { struct usb_device *usb_dev; diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c index 7676b5b7e171..2453a39b4794 100644 --- a/drivers/usb/misc/iowarrior.c +++ b/drivers/usb/misc/iowarrior.c @@ -734,7 +734,7 @@ static const struct file_operations iowarrior_fops = { .llseek = noop_llseek, }; -static char *iowarrior_devnode(struct device *dev, mode_t *mode) +static char *iowarrior_devnode(struct device *dev, umode_t *mode) { return kasprintf(GFP_KERNEL, "usb/%s", dev_name(dev)); } diff --git a/drivers/usb/misc/legousbtower.c b/drivers/usb/misc/legousbtower.c index 16937da31cd8..575222042767 100644 --- a/drivers/usb/misc/legousbtower.c +++ b/drivers/usb/misc/legousbtower.c @@ -269,7 +269,7 @@ static const struct file_operations tower_fops = { .llseek = tower_llseek, }; -static char *legousbtower_devnode(struct device *dev, mode_t *mode) +static char *legousbtower_devnode(struct device *dev, umode_t *mode) { return kasprintf(GFP_KERNEL, "usb/%s", dev_name(dev)); } diff --git a/fs/9p/v9fs_vfs.h b/fs/9p/v9fs_vfs.h index 410ffd6ceb5f..dc95a252523d 100644 --- a/fs/9p/v9fs_vfs.h +++ b/fs/9p/v9fs_vfs.h @@ -54,9 +54,9 @@ extern struct kmem_cache *v9fs_inode_cache; struct inode *v9fs_alloc_inode(struct super_block *sb); void v9fs_destroy_inode(struct inode *inode); -struct inode *v9fs_get_inode(struct super_block *sb, int mode, dev_t); +struct inode *v9fs_get_inode(struct super_block *sb, umode_t mode, dev_t); int v9fs_init_inode(struct v9fs_session_info *v9ses, - struct inode *inode, int mode, dev_t); + struct inode *inode, umode_t mode, dev_t); void v9fs_evict_inode(struct inode *inode); ino_t v9fs_qid2ino(struct p9_qid *qid); void v9fs_stat2inode(struct p9_wstat *, struct inode *, struct super_block *); diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 879ed8851737..e0f20de6aa2b 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -59,15 +59,13 @@ static const struct inode_operations v9fs_symlink_inode_operations; * */ -static int unixmode2p9mode(struct v9fs_session_info *v9ses, int mode) +static u32 unixmode2p9mode(struct v9fs_session_info *v9ses, umode_t mode) { int res; res = mode & 0777; if (S_ISDIR(mode)) res |= P9_DMDIR; if (v9fs_proto_dotu(v9ses)) { - if (S_ISLNK(mode)) - res |= P9_DMSYMLINK; if (v9ses->nodev == 0) { if (S_ISSOCK(mode)) res |= P9_DMSOCKET; @@ -85,10 +83,7 @@ static int unixmode2p9mode(struct v9fs_session_info *v9ses, int mode) res |= P9_DMSETGID; if ((mode & S_ISVTX) == S_ISVTX) res |= P9_DMSETVTX; - if ((mode & P9_DMLINK)) - res |= P9_DMLINK; } - return res; } @@ -99,11 +94,11 @@ static int unixmode2p9mode(struct v9fs_session_info *v9ses, int mode) * @rdev: major number, minor number in case of device files. * */ -static int p9mode2unixmode(struct v9fs_session_info *v9ses, - struct p9_wstat *stat, dev_t *rdev) +static umode_t p9mode2unixmode(struct v9fs_session_info *v9ses, + struct p9_wstat *stat, dev_t *rdev) { int res; - int mode = stat->mode; + u32 mode = stat->mode; res = mode & S_IALLUGO; *rdev = 0; @@ -251,7 +246,6 @@ struct inode *v9fs_alloc_inode(struct super_block *sb) static void v9fs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(v9fs_inode_cache, V9FS_I(inode)); } @@ -261,7 +255,7 @@ void v9fs_destroy_inode(struct inode *inode) } int v9fs_init_inode(struct v9fs_session_info *v9ses, - struct inode *inode, int mode, dev_t rdev) + struct inode *inode, umode_t mode, dev_t rdev) { int err = 0; @@ -335,7 +329,7 @@ int v9fs_init_inode(struct v9fs_session_info *v9ses, break; default: - P9_DPRINTK(P9_DEBUG_ERROR, "BAD mode 0x%x S_IFMT 0x%x\n", + P9_DPRINTK(P9_DEBUG_ERROR, "BAD mode 0x%hx S_IFMT 0x%x\n", mode, mode & S_IFMT); err = -EINVAL; goto error; @@ -352,13 +346,13 @@ error: * */ -struct inode *v9fs_get_inode(struct super_block *sb, int mode, dev_t rdev) +struct inode *v9fs_get_inode(struct super_block *sb, umode_t mode, dev_t rdev) { int err; struct inode *inode; struct v9fs_session_info *v9ses = sb->s_fs_info; - P9_DPRINTK(P9_DEBUG_VFS, "super block: %p mode: %o\n", sb, mode); + P9_DPRINTK(P9_DEBUG_VFS, "super block: %p mode: %ho\n", sb, mode); inode = new_inode(sb); if (!inode) { @@ -492,7 +486,8 @@ static struct inode *v9fs_qid_iget(struct super_block *sb, int new) { dev_t rdev; - int retval, umode; + int retval; + umode_t umode; unsigned long i_ino; struct inode *inode; struct v9fs_session_info *v9ses = sb->s_fs_info; @@ -703,7 +698,7 @@ error: */ static int -v9fs_vfs_create(struct inode *dir, struct dentry *dentry, int mode, +v9fs_vfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { int err; @@ -786,7 +781,7 @@ error: * */ -static int v9fs_vfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int v9fs_vfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { int err; u32 perm; @@ -1131,7 +1126,7 @@ void v9fs_stat2inode(struct p9_wstat *stat, struct inode *inode, struct super_block *sb) { - mode_t mode; + umode_t mode; char ext[32]; char tag_name[14]; unsigned int i_nlink; @@ -1304,9 +1299,8 @@ v9fs_vfs_put_link(struct dentry *dentry, struct nameidata *nd, void *p) */ static int v9fs_vfs_mkspecial(struct inode *dir, struct dentry *dentry, - int mode, const char *extension) + u32 perm, const char *extension) { - u32 perm; struct p9_fid *fid; struct v9fs_session_info *v9ses; @@ -1316,7 +1310,6 @@ static int v9fs_vfs_mkspecial(struct inode *dir, struct dentry *dentry, return -EPERM; } - perm = unixmode2p9mode(v9ses, mode); fid = v9fs_create(v9ses, dir, dentry, (char *) extension, perm, P9_OREAD); if (IS_ERR(fid)) @@ -1343,7 +1336,7 @@ v9fs_vfs_symlink(struct inode *dir, struct dentry *dentry, const char *symname) P9_DPRINTK(P9_DEBUG_VFS, " %lu,%s,%s\n", dir->i_ino, dentry->d_name.name, symname); - return v9fs_vfs_mkspecial(dir, dentry, S_IFLNK, symname); + return v9fs_vfs_mkspecial(dir, dentry, P9_DMSYMLINK, symname); } /** @@ -1398,13 +1391,15 @@ clunk_fid: */ static int -v9fs_vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev) +v9fs_vfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rdev) { + struct v9fs_session_info *v9ses = v9fs_inode2v9ses(dir); int retval; char *name; + u32 perm; P9_DPRINTK(P9_DEBUG_VFS, - " %lu,%s mode: %x MAJOR: %u MINOR: %u\n", dir->i_ino, + " %lu,%s mode: %hx MAJOR: %u MINOR: %u\n", dir->i_ino, dentry->d_name.name, mode, MAJOR(rdev), MINOR(rdev)); if (!new_valid_dev(rdev)) @@ -1427,7 +1422,8 @@ v9fs_vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev) return -EINVAL; } - retval = v9fs_vfs_mkspecial(dir, dentry, mode, name); + perm = unixmode2p9mode(v9ses, mode); + retval = v9fs_vfs_mkspecial(dir, dentry, perm, name); __putname(name); return retval; diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c index 0b5745e21946..8ef152ac6a16 100644 --- a/fs/9p/vfs_inode_dotl.c +++ b/fs/9p/vfs_inode_dotl.c @@ -48,7 +48,7 @@ #include "acl.h" static int -v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, int omode, +v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, umode_t omode, dev_t rdev); /** @@ -253,7 +253,7 @@ int v9fs_open_to_dotl_flags(int flags) */ static int -v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, int omode, +v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, umode_t omode, struct nameidata *nd) { int err = 0; @@ -284,7 +284,7 @@ v9fs_vfs_create_dotl(struct inode *dir, struct dentry *dentry, int omode, name = (char *) dentry->d_name.name; P9_DPRINTK(P9_DEBUG_VFS, "v9fs_vfs_create_dotl: name:%s flags:0x%x " - "mode:0x%x\n", name, flags, omode); + "mode:0x%hx\n", name, flags, omode); dfid = v9fs_fid_lookup(dentry->d_parent); if (IS_ERR(dfid)) { @@ -395,7 +395,7 @@ err_clunk_old_fid: */ static int v9fs_vfs_mkdir_dotl(struct inode *dir, - struct dentry *dentry, int omode) + struct dentry *dentry, umode_t omode) { int err; struct v9fs_session_info *v9ses; @@ -594,7 +594,7 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr) void v9fs_stat2inode_dotl(struct p9_stat_dotl *stat, struct inode *inode) { - mode_t mode; + umode_t mode; struct v9fs_inode *v9inode = V9FS_I(inode); if ((stat->st_result_mask & P9_STATS_BASIC) == P9_STATS_BASIC) { @@ -799,7 +799,7 @@ v9fs_vfs_link_dotl(struct dentry *old_dentry, struct inode *dir, * */ static int -v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, int omode, +v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, umode_t omode, dev_t rdev) { int err; @@ -814,7 +814,7 @@ v9fs_vfs_mknod_dotl(struct inode *dir, struct dentry *dentry, int omode, struct posix_acl *dacl = NULL, *pacl = NULL; P9_DPRINTK(P9_DEBUG_VFS, - " %lu,%s mode: %x MAJOR: %u MINOR: %u\n", dir->i_ino, + " %lu,%s mode: %hx MAJOR: %u MINOR: %u\n", dir->i_ino, dentry->d_name.name, omode, MAJOR(rdev), MINOR(rdev)); if (!new_valid_dev(rdev)) diff --git a/fs/9p/vfs_super.c b/fs/9p/vfs_super.c index c70251d47ed1..f68ff65a32a5 100644 --- a/fs/9p/vfs_super.c +++ b/fs/9p/vfs_super.c @@ -117,7 +117,7 @@ static struct dentry *v9fs_mount(struct file_system_type *fs_type, int flags, struct inode *inode = NULL; struct dentry *root = NULL; struct v9fs_session_info *v9ses = NULL; - int mode = S_IRWXUGO | S_ISVTX; + umode_t mode = S_IRWXUGO | S_ISVTX; struct p9_fid *fid; int retval = 0; diff --git a/fs/Kconfig b/fs/Kconfig index 5f4c45d4aa10..30145d886bc2 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -266,14 +266,6 @@ source "fs/9p/Kconfig" endif # NETWORK_FILESYSTEMS -if BLOCK -menu "Partition Types" - -source "fs/partitions/Kconfig" - -endmenu -endif - source "fs/nls/Kconfig" source "fs/dlm/Kconfig" diff --git a/fs/Makefile b/fs/Makefile index d2c3353d5477..93804d4d66e1 100644 --- a/fs/Makefile +++ b/fs/Makefile @@ -19,6 +19,8 @@ else obj-y += no-block.o endif +obj-$(CONFIG_PROC_FS) += proc_namespace.o + obj-$(CONFIG_BLK_DEV_INTEGRITY) += bio-integrity.o obj-y += notify/ obj-$(CONFIG_EPOLL) += eventpoll.o @@ -52,7 +54,6 @@ obj-$(CONFIG_FHANDLE) += fhandle.o obj-y += quota/ obj-$(CONFIG_PROC_FS) += proc/ -obj-y += partitions/ obj-$(CONFIG_SYSFS) += sysfs/ obj-$(CONFIG_CONFIGFS_FS) += configfs/ obj-y += devpts/ diff --git a/fs/adfs/super.c b/fs/adfs/super.c index c8bf36a1996a..8e3b36ace305 100644 --- a/fs/adfs/super.c +++ b/fs/adfs/super.c @@ -126,9 +126,9 @@ static void adfs_put_super(struct super_block *sb) sb->s_fs_info = NULL; } -static int adfs_show_options(struct seq_file *seq, struct vfsmount *mnt) +static int adfs_show_options(struct seq_file *seq, struct dentry *root) { - struct adfs_sb_info *asb = ADFS_SB(mnt->mnt_sb); + struct adfs_sb_info *asb = ADFS_SB(root->d_sb); if (asb->s_uid != 0) seq_printf(seq, ",uid=%u", asb->s_uid); diff --git a/fs/affs/affs.h b/fs/affs/affs.h index c2b9c79eb64e..45a0ce45d7b4 100644 --- a/fs/affs/affs.h +++ b/fs/affs/affs.h @@ -136,7 +136,7 @@ extern int affs_remove_header(struct dentry *dentry); extern u32 affs_checksum_block(struct super_block *sb, struct buffer_head *bh); extern void affs_fix_checksum(struct super_block *sb, struct buffer_head *bh); extern void secs_to_datestamp(time_t secs, struct affs_date *ds); -extern mode_t prot_to_mode(u32 prot); +extern umode_t prot_to_mode(u32 prot); extern void mode_to_prot(struct inode *inode); extern void affs_error(struct super_block *sb, const char *function, const char *fmt, ...); extern void affs_warning(struct super_block *sb, const char *function, const char *fmt, ...); @@ -156,8 +156,8 @@ extern void affs_free_bitmap(struct super_block *sb); extern int affs_hash_name(struct super_block *sb, const u8 *name, unsigned int len); extern struct dentry *affs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *); extern int affs_unlink(struct inode *dir, struct dentry *dentry); -extern int affs_create(struct inode *dir, struct dentry *dentry, int mode, struct nameidata *); -extern int affs_mkdir(struct inode *dir, struct dentry *dentry, int mode); +extern int affs_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *); +extern int affs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode); extern int affs_rmdir(struct inode *dir, struct dentry *dentry); extern int affs_link(struct dentry *olddentry, struct inode *dir, struct dentry *dentry); diff --git a/fs/affs/amigaffs.c b/fs/affs/amigaffs.c index de37ec842340..52a6407682e6 100644 --- a/fs/affs/amigaffs.c +++ b/fs/affs/amigaffs.c @@ -390,10 +390,10 @@ secs_to_datestamp(time_t secs, struct affs_date *ds) ds->ticks = cpu_to_be32(secs * 50); } -mode_t +umode_t prot_to_mode(u32 prot) { - int mode = 0; + umode_t mode = 0; if (!(prot & FIBF_NOWRITE)) mode |= S_IWUSR; @@ -421,7 +421,7 @@ void mode_to_prot(struct inode *inode) { u32 prot = AFFS_I(inode)->i_protect; - mode_t mode = inode->i_mode; + umode_t mode = inode->i_mode; if (!(mode & S_IXUSR)) prot |= FIBF_NOEXECUTE; diff --git a/fs/affs/namei.c b/fs/affs/namei.c index 780a11dc6318..47806940aac0 100644 --- a/fs/affs/namei.c +++ b/fs/affs/namei.c @@ -255,13 +255,13 @@ affs_unlink(struct inode *dir, struct dentry *dentry) } int -affs_create(struct inode *dir, struct dentry *dentry, int mode, struct nameidata *nd) +affs_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { struct super_block *sb = dir->i_sb; struct inode *inode; int error; - pr_debug("AFFS: create(%lu,\"%.*s\",0%o)\n",dir->i_ino,(int)dentry->d_name.len, + pr_debug("AFFS: create(%lu,\"%.*s\",0%ho)\n",dir->i_ino,(int)dentry->d_name.len, dentry->d_name.name,mode); inode = affs_new_inode(dir); @@ -285,12 +285,12 @@ affs_create(struct inode *dir, struct dentry *dentry, int mode, struct nameidata } int -affs_mkdir(struct inode *dir, struct dentry *dentry, int mode) +affs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { struct inode *inode; int error; - pr_debug("AFFS: mkdir(%lu,\"%.*s\",0%o)\n",dir->i_ino, + pr_debug("AFFS: mkdir(%lu,\"%.*s\",0%ho)\n",dir->i_ino, (int)dentry->d_name.len,dentry->d_name.name,mode); inode = affs_new_inode(dir); diff --git a/fs/affs/super.c b/fs/affs/super.c index b31507d0f9b9..8ba73fed7964 100644 --- a/fs/affs/super.c +++ b/fs/affs/super.c @@ -98,7 +98,6 @@ static struct inode *affs_alloc_inode(struct super_block *sb) static void affs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(affs_inode_cachep, AFFS_I(inode)); } diff --git a/fs/afs/dir.c b/fs/afs/dir.c index 1b0b19550015..e22dc4b4a503 100644 --- a/fs/afs/dir.c +++ b/fs/afs/dir.c @@ -28,9 +28,9 @@ static int afs_d_delete(const struct dentry *dentry); static void afs_d_release(struct dentry *dentry); static int afs_lookup_filldir(void *_cookie, const char *name, int nlen, loff_t fpos, u64 ino, unsigned dtype); -static int afs_create(struct inode *dir, struct dentry *dentry, int mode, +static int afs_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd); -static int afs_mkdir(struct inode *dir, struct dentry *dentry, int mode); +static int afs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode); static int afs_rmdir(struct inode *dir, struct dentry *dentry); static int afs_unlink(struct inode *dir, struct dentry *dentry); static int afs_link(struct dentry *from, struct inode *dir, @@ -764,7 +764,7 @@ static void afs_d_release(struct dentry *dentry) /* * create a directory on an AFS filesystem */ -static int afs_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int afs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { struct afs_file_status status; struct afs_callback cb; @@ -777,7 +777,7 @@ static int afs_mkdir(struct inode *dir, struct dentry *dentry, int mode) dvnode = AFS_FS_I(dir); - _enter("{%x:%u},{%s},%o", + _enter("{%x:%u},{%s},%ho", dvnode->fid.vid, dvnode->fid.vnode, dentry->d_name.name, mode); ret = -ENAMETOOLONG; @@ -948,7 +948,7 @@ error: /* * create a regular file on an AFS filesystem */ -static int afs_create(struct inode *dir, struct dentry *dentry, int mode, +static int afs_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { struct afs_file_status status; @@ -962,7 +962,7 @@ static int afs_create(struct inode *dir, struct dentry *dentry, int mode, dvnode = AFS_FS_I(dir); - _enter("{%x:%u},{%s},%o,", + _enter("{%x:%u},{%s},%ho,", dvnode->fid.vid, dvnode->fid.vnode, dentry->d_name.name, mode); ret = -ENAMETOOLONG; diff --git a/fs/afs/mntpt.c b/fs/afs/mntpt.c index aa59184151d0..8f4ce2658b7d 100644 --- a/fs/afs/mntpt.c +++ b/fs/afs/mntpt.c @@ -242,7 +242,7 @@ struct vfsmount *afs_d_automount(struct path *path) { struct vfsmount *newmnt; - _enter("{%s,%s}", path->mnt->mnt_devname, path->dentry->d_name.name); + _enter("{%s}", path->dentry->d_name.name); newmnt = afs_mntpt_do_automount(path->dentry); if (IS_ERR(newmnt)) @@ -252,7 +252,7 @@ struct vfsmount *afs_d_automount(struct path *path) mnt_set_expiry(newmnt, &afs_vfsmounts); queue_delayed_work(afs_wq, &afs_mntpt_expiry_timer, afs_mntpt_expiry_timeout * HZ); - _leave(" = %p {%s}", newmnt, newmnt->mnt_devname); + _leave(" = %p", newmnt); return newmnt; } diff --git a/fs/afs/super.c b/fs/afs/super.c index 356dcf0929e8..983ec59fc80d 100644 --- a/fs/afs/super.c +++ b/fs/afs/super.c @@ -495,7 +495,6 @@ static void afs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); struct afs_vnode *vnode = AFS_FS_I(inode); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(afs_inode_cachep, vnode); } diff --git a/fs/attr.c b/fs/attr.c index 7ee7ba488313..95053ad8abcc 100644 --- a/fs/attr.c +++ b/fs/attr.c @@ -166,7 +166,7 @@ EXPORT_SYMBOL(setattr_copy); int notify_change(struct dentry * dentry, struct iattr * attr) { struct inode *inode = dentry->d_inode; - mode_t mode = inode->i_mode; + umode_t mode = inode->i_mode; int error; struct timespec now; unsigned int ia_valid = attr->ia_valid; @@ -177,7 +177,7 @@ int notify_change(struct dentry * dentry, struct iattr * attr) } if ((ia_valid & ATTR_MODE)) { - mode_t amode = attr->ia_mode; + umode_t amode = attr->ia_mode; /* Flag setting protected by i_mutex */ if (is_sxid(amode)) inode->i_flags &= ~S_NOSEC; diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h index 326dc08d3e3f..5869d4e974a9 100644 --- a/fs/autofs4/autofs_i.h +++ b/fs/autofs4/autofs_i.h @@ -155,7 +155,7 @@ static inline int autofs4_ispending(struct dentry *dentry) return 0; } -struct inode *autofs4_get_inode(struct super_block *, mode_t); +struct inode *autofs4_get_inode(struct super_block *, umode_t); void autofs4_free_ino(struct autofs_info *); /* Expiration */ diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c index 509fe1eb66ae..76741d8d7786 100644 --- a/fs/autofs4/dev-ioctl.c +++ b/fs/autofs4/dev-ioctl.c @@ -194,7 +194,7 @@ static int find_autofs_mount(const char *pathname, return err; err = -ENOENT; while (path.dentry == path.mnt->mnt_root) { - if (path.mnt->mnt_sb->s_magic == AUTOFS_SUPER_MAGIC) { + if (path.dentry->d_sb->s_magic == AUTOFS_SUPER_MAGIC) { if (test(&path, data)) { path_get(&path); if (!err) /* already found some */ @@ -212,7 +212,7 @@ static int find_autofs_mount(const char *pathname, static int test_by_dev(struct path *path, void *p) { - return path->mnt->mnt_sb->s_dev == *(dev_t *)p; + return path->dentry->d_sb->s_dev == *(dev_t *)p; } static int test_by_type(struct path *path, void *p) @@ -538,11 +538,11 @@ static int autofs_dev_ioctl_ismountpoint(struct file *fp, err = find_autofs_mount(name, &path, test_by_type, &type); if (err) goto out; - devid = new_encode_dev(path.mnt->mnt_sb->s_dev); + devid = new_encode_dev(path.dentry->d_sb->s_dev); err = 0; if (path.mnt->mnt_root == path.dentry) { err = 1; - magic = path.mnt->mnt_sb->s_magic; + magic = path.dentry->d_sb->s_magic; } } else { dev_t dev = sbi->sb->s_dev; @@ -556,7 +556,7 @@ static int autofs_dev_ioctl_ismountpoint(struct file *fp, err = have_submounts(path.dentry); if (follow_down_one(&path)) - magic = path.mnt->mnt_sb->s_magic; + magic = path.dentry->d_sb->s_magic; } param->ismountpoint.out.devid = devid; diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c index 8179f1ab8175..2ba44c79d548 100644 --- a/fs/autofs4/inode.c +++ b/fs/autofs4/inode.c @@ -70,10 +70,10 @@ out_kill_sb: kill_litter_super(sb); } -static int autofs4_show_options(struct seq_file *m, struct vfsmount *mnt) +static int autofs4_show_options(struct seq_file *m, struct dentry *root) { - struct autofs_sb_info *sbi = autofs4_sbi(mnt->mnt_sb); - struct inode *root_inode = mnt->mnt_sb->s_root->d_inode; + struct autofs_sb_info *sbi = autofs4_sbi(root->d_sb); + struct inode *root_inode = root->d_sb->s_root->d_inode; if (!sbi) return 0; @@ -326,7 +326,7 @@ fail_unlock: return -EINVAL; } -struct inode *autofs4_get_inode(struct super_block *sb, mode_t mode) +struct inode *autofs4_get_inode(struct super_block *sb, umode_t mode) { struct inode *inode = new_inode(sb); diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c index f55ae23b137e..75e5f1c8e028 100644 --- a/fs/autofs4/root.c +++ b/fs/autofs4/root.c @@ -26,7 +26,7 @@ static int autofs4_dir_symlink(struct inode *,struct dentry *,const char *); static int autofs4_dir_unlink(struct inode *,struct dentry *); static int autofs4_dir_rmdir(struct inode *,struct dentry *); -static int autofs4_dir_mkdir(struct inode *,struct dentry *,int); +static int autofs4_dir_mkdir(struct inode *,struct dentry *,umode_t); static long autofs4_root_ioctl(struct file *,unsigned int,unsigned long); #ifdef CONFIG_COMPAT static long autofs4_root_compat_ioctl(struct file *,unsigned int,unsigned long); @@ -699,7 +699,7 @@ static int autofs4_dir_rmdir(struct inode *dir, struct dentry *dentry) return 0; } -static int autofs4_dir_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int autofs4_dir_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { struct autofs_sb_info *sbi = autofs4_sbi(dir->i_sb); struct autofs_info *ino = autofs4_dentry_ino(dentry); diff --git a/fs/bad_inode.c b/fs/bad_inode.c index 9205cf25f1c6..22e9a78872ff 100644 --- a/fs/bad_inode.c +++ b/fs/bad_inode.c @@ -173,7 +173,7 @@ static const struct file_operations bad_file_ops = }; static int bad_inode_create (struct inode *dir, struct dentry *dentry, - int mode, struct nameidata *nd) + umode_t mode, struct nameidata *nd) { return -EIO; } @@ -202,7 +202,7 @@ static int bad_inode_symlink (struct inode *dir, struct dentry *dentry, } static int bad_inode_mkdir(struct inode *dir, struct dentry *dentry, - int mode) + umode_t mode) { return -EIO; } @@ -213,7 +213,7 @@ static int bad_inode_rmdir (struct inode *dir, struct dentry *dentry) } static int bad_inode_mknod (struct inode *dir, struct dentry *dentry, - int mode, dev_t rdev) + umode_t mode, dev_t rdev) { return -EIO; } diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c index 8342ca67abcd..6e6d536767fe 100644 --- a/fs/befs/linuxvfs.c +++ b/fs/befs/linuxvfs.c @@ -286,7 +286,6 @@ befs_alloc_inode(struct super_block *sb) static void befs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(befs_inode_cachep, BEFS_I(inode)); } diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c index 9cc074019479..d12c7966db27 100644 --- a/fs/bfs/dir.c +++ b/fs/bfs/dir.c @@ -84,7 +84,7 @@ const struct file_operations bfs_dir_operations = { extern void dump_imap(const char *, struct super_block *); -static int bfs_create(struct inode *dir, struct dentry *dentry, int mode, +static int bfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { int err; diff --git a/fs/bfs/inode.c b/fs/bfs/inode.c index 697af5bf70b3..b0391bc402b1 100644 --- a/fs/bfs/inode.c +++ b/fs/bfs/inode.c @@ -251,7 +251,6 @@ static struct inode *bfs_alloc_inode(struct super_block *sb) static void bfs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(bfs_inode_cachep, BFS_I(inode)); } diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c index 1e9edbdeda7e..a9198dfd5f85 100644 --- a/fs/binfmt_misc.c +++ b/fs/binfmt_misc.c @@ -560,7 +560,7 @@ static ssize_t bm_entry_write(struct file *file, const char __user *buffer, break; case 2: set_bit(Enabled, &e->flags); break; - case 3: root = dget(file->f_path.mnt->mnt_sb->s_root); + case 3: root = dget(file->f_path.dentry->d_sb->s_root); mutex_lock(&root->d_inode->i_mutex); kill_node(e); @@ -587,7 +587,7 @@ static ssize_t bm_register_write(struct file *file, const char __user *buffer, Node *e; struct inode *inode; struct dentry *root, *dentry; - struct super_block *sb = file->f_path.mnt->mnt_sb; + struct super_block *sb = file->f_path.dentry->d_sb; int err = 0; e = create_entry(buffer, count); @@ -666,7 +666,7 @@ static ssize_t bm_status_write(struct file * file, const char __user * buffer, switch (res) { case 1: enabled = 0; break; case 2: enabled = 1; break; - case 3: root = dget(file->f_path.mnt->mnt_sb->s_root); + case 3: root = dget(file->f_path.dentry->d_sb->s_root); mutex_lock(&root->d_inode->i_mutex); while (!list_empty(&entries)) diff --git a/fs/block_dev.c b/fs/block_dev.c index b07f1da1de4e..69a5b6fbee2b 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -17,6 +17,7 @@ #include <linux/module.h> #include <linux/blkpg.h> #include <linux/buffer_head.h> +#include <linux/swap.h> #include <linux/pagevec.h> #include <linux/writeback.h> #include <linux/mpage.h> @@ -25,6 +26,7 @@ #include <linux/namei.h> #include <linux/log2.h> #include <linux/kmemleak.h> +#include <linux/cleancache.h> #include <asm/uaccess.h> #include "internal.h" @@ -82,13 +84,35 @@ static sector_t max_block(struct block_device *bdev) } /* Kill _all_ buffers and pagecache , dirty or not.. */ -static void kill_bdev(struct block_device *bdev) +void kill_bdev(struct block_device *bdev) { - if (bdev->bd_inode->i_mapping->nrpages == 0) + struct address_space *mapping = bdev->bd_inode->i_mapping; + + if (mapping->nrpages == 0) return; + invalidate_bh_lrus(); - truncate_inode_pages(bdev->bd_inode->i_mapping, 0); + truncate_inode_pages(mapping, 0); } +EXPORT_SYMBOL(kill_bdev); + +/* Invalidate clean unused buffers and pagecache. */ +void invalidate_bdev(struct block_device *bdev) +{ + struct address_space *mapping = bdev->bd_inode->i_mapping; + + if (mapping->nrpages == 0) + return; + + invalidate_bh_lrus(); + lru_add_drain_all(); /* make sure all lru add caches are flushed */ + invalidate_mapping_pages(mapping, 0, -1); + /* 99% of the time, we don't need to flush the cleancache on the bdev. + * But, for the strange corners, lets be cautious + */ + cleancache_flush_inode(mapping); +} +EXPORT_SYMBOL(invalidate_bdev); int set_blocksize(struct block_device *bdev, int size) { @@ -425,7 +449,6 @@ static void bdev_i_callback(struct rcu_head *head) struct inode *inode = container_of(head, struct inode, i_rcu); struct bdev_inode *bdi = BDEV_I(inode); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(bdev_cachep, bdi); } @@ -493,7 +516,7 @@ static struct file_system_type bd_type = { .kill_sb = kill_anon_super, }; -struct super_block *blockdev_superblock __read_mostly; +static struct super_block *blockdev_superblock __read_mostly; void __init bdev_cache_init(void) { @@ -639,6 +662,11 @@ static struct block_device *bd_acquire(struct inode *inode) return bdev; } +static inline int sb_is_blkdev_sb(struct super_block *sb) +{ + return sb == blockdev_superblock; +} + /* Call when you free inode */ void bd_forget(struct inode *inode) diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index fd1a06df5bc6..2f426a51e60d 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -4412,8 +4412,8 @@ static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans, struct btrfs_root *root, struct inode *dir, const char *name, int name_len, - u64 ref_objectid, u64 objectid, int mode, - u64 *index) + u64 ref_objectid, u64 objectid, + umode_t mode, u64 *index) { struct inode *inode; struct btrfs_inode_item *inode_item; @@ -4596,7 +4596,7 @@ static int btrfs_add_nondir(struct btrfs_trans_handle *trans, } static int btrfs_mknod(struct inode *dir, struct dentry *dentry, - int mode, dev_t rdev) + umode_t mode, dev_t rdev) { struct btrfs_trans_handle *trans; struct btrfs_root *root = BTRFS_I(dir)->root; @@ -4665,7 +4665,7 @@ out_unlock: } static int btrfs_create(struct inode *dir, struct dentry *dentry, - int mode, struct nameidata *nd) + umode_t mode, struct nameidata *nd) { struct btrfs_trans_handle *trans; struct btrfs_root *root = BTRFS_I(dir)->root; @@ -4792,7 +4792,7 @@ fail: return err; } -static int btrfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int btrfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { struct inode *inode = NULL; struct btrfs_trans_handle *trans; @@ -6761,7 +6761,6 @@ struct inode *btrfs_alloc_inode(struct super_block *sb) static void btrfs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(btrfs_inode_cachep, BTRFS_I(inode)); } diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index c04f02c7d5bb..5441ff1480fd 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -201,7 +201,7 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg) } } - ret = mnt_want_write(file->f_path.mnt); + ret = mnt_want_write_file(file); if (ret) goto out_unlock; @@ -259,7 +259,7 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg) btrfs_end_transaction(trans, root); - mnt_drop_write(file->f_path.mnt); + mnt_drop_write_file(file); ret = 0; out_unlock: @@ -1855,7 +1855,7 @@ static noinline int btrfs_ioctl_snap_destroy(struct file *file, goto out; } - err = mnt_want_write(file->f_path.mnt); + err = mnt_want_write_file(file); if (err) goto out; @@ -1971,7 +1971,7 @@ out_dput: dput(dentry); out_unlock_dir: mutex_unlock(&dir->i_mutex); - mnt_drop_write(file->f_path.mnt); + mnt_drop_write_file(file); out: kfree(vol_args); return err; @@ -1987,7 +1987,7 @@ static int btrfs_ioctl_defrag(struct file *file, void __user *argp) if (btrfs_root_readonly(root)) return -EROFS; - ret = mnt_want_write(file->f_path.mnt); + ret = mnt_want_write_file(file); if (ret) return ret; @@ -2040,7 +2040,7 @@ static int btrfs_ioctl_defrag(struct file *file, void __user *argp) ret = -EINVAL; } out: - mnt_drop_write(file->f_path.mnt); + mnt_drop_write_file(file); return ret; } @@ -2195,7 +2195,7 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd, if (btrfs_root_readonly(root)) return -EROFS; - ret = mnt_want_write(file->f_path.mnt); + ret = mnt_want_write_file(file); if (ret) return ret; @@ -2510,7 +2510,7 @@ out_unlock: out_fput: fput(src_file); out_drop_write: - mnt_drop_write(file->f_path.mnt); + mnt_drop_write_file(file); return ret; } @@ -2549,7 +2549,7 @@ static long btrfs_ioctl_trans_start(struct file *file) if (btrfs_root_readonly(root)) goto out; - ret = mnt_want_write(file->f_path.mnt); + ret = mnt_want_write_file(file); if (ret) goto out; @@ -2565,7 +2565,7 @@ static long btrfs_ioctl_trans_start(struct file *file) out_drop: atomic_dec(&root->fs_info->open_ioctl_trans); - mnt_drop_write(file->f_path.mnt); + mnt_drop_write_file(file); out: return ret; } @@ -2800,7 +2800,7 @@ long btrfs_ioctl_trans_end(struct file *file) atomic_dec(&root->fs_info->open_ioctl_trans); - mnt_drop_write(file->f_path.mnt); + mnt_drop_write_file(file); return 0; } diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 200f63bc6675..ae488aa1966a 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -40,7 +40,6 @@ #include <linux/magic.h> #include <linux/slab.h> #include <linux/cleancache.h> -#include <linux/mnt_namespace.h> #include <linux/ratelimit.h> #include "compat.h" #include "delayed-inode.h" @@ -662,9 +661,9 @@ int btrfs_sync_fs(struct super_block *sb, int wait) return ret; } -static int btrfs_show_options(struct seq_file *seq, struct vfsmount *vfs) +static int btrfs_show_options(struct seq_file *seq, struct dentry *dentry) { - struct btrfs_root *root = btrfs_sb(vfs->mnt_sb); + struct btrfs_root *root = btrfs_sb(dentry->d_sb); struct btrfs_fs_info *info = root->fs_info; char *compress_type; diff --git a/fs/buffer.c b/fs/buffer.c index 19d8eb7fdc81..1a30db77af32 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -41,7 +41,6 @@ #include <linux/bitops.h> #include <linux/mpage.h> #include <linux/bit_spinlock.h> -#include <linux/cleancache.h> static int fsync_buffers_list(spinlock_t *lock, struct list_head *list); @@ -231,55 +230,6 @@ out: return ret; } -/* If invalidate_buffers() will trash dirty buffers, it means some kind - of fs corruption is going on. Trashing dirty data always imply losing - information that was supposed to be just stored on the physical layer - by the user. - - Thus invalidate_buffers in general usage is not allwowed to trash - dirty buffers. For example ioctl(FLSBLKBUF) expects dirty data to - be preserved. These buffers are simply skipped. - - We also skip buffers which are still in use. For example this can - happen if a userspace program is reading the block device. - - NOTE: In the case where the user removed a removable-media-disk even if - there's still dirty data not synced on disk (due a bug in the device driver - or due an error of the user), by not destroying the dirty buffers we could - generate corruption also on the next media inserted, thus a parameter is - necessary to handle this case in the most safe way possible (trying - to not corrupt also the new disk inserted with the data belonging to - the old now corrupted disk). Also for the ramdisk the natural thing - to do in order to release the ramdisk memory is to destroy dirty buffers. - - These are two special cases. Normal usage imply the device driver - to issue a sync on the device (without waiting I/O completion) and - then an invalidate_buffers call that doesn't trash dirty buffers. - - For handling cache coherency with the blkdev pagecache the 'update' case - is been introduced. It is needed to re-read from disk any pinned - buffer. NOTE: re-reading from disk is destructive so we can do it only - when we assume nobody is changing the buffercache under our I/O and when - we think the disk contains more recent information than the buffercache. - The update == 1 pass marks the buffers we need to update, the update == 2 - pass does the actual I/O. */ -void invalidate_bdev(struct block_device *bdev) -{ - struct address_space *mapping = bdev->bd_inode->i_mapping; - - if (mapping->nrpages == 0) - return; - - invalidate_bh_lrus(); - lru_add_drain_all(); /* make sure all lru add caches are flushed */ - invalidate_mapping_pages(mapping, 0, -1); - /* 99% of the time, we don't need to flush the cleancache on the bdev. - * But, for the strange corners, lets be cautious - */ - cleancache_flush_inode(mapping); -} -EXPORT_SYMBOL(invalidate_bdev); - /* * Kick the writeback threads then try to free up some ZONE_NORMAL memory. */ diff --git a/fs/cachefiles/interface.c b/fs/cachefiles/interface.c index 1064805e653b..67bef6d01484 100644 --- a/fs/cachefiles/interface.c +++ b/fs/cachefiles/interface.c @@ -11,7 +11,6 @@ #include <linux/slab.h> #include <linux/mount.h> -#include <linux/buffer_head.h> #include "internal.h" #define list_to_page(head) (list_entry((head)->prev, struct page, lru)) diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c index 8b53193e4f7c..b60fc8bfb3e9 100644 --- a/fs/ceph/caps.c +++ b/fs/ceph/caps.c @@ -928,7 +928,7 @@ static int send_cap_msg(struct ceph_mds_session *session, u64 size, u64 max_size, struct timespec *mtime, struct timespec *atime, u64 time_warp_seq, - uid_t uid, gid_t gid, mode_t mode, + uid_t uid, gid_t gid, umode_t mode, u64 xattr_version, struct ceph_buffer *xattrs_buf, u64 follows) @@ -1078,7 +1078,7 @@ static int __send_cap(struct ceph_mds_client *mdsc, struct ceph_cap *cap, u64 size, max_size; struct timespec mtime, atime; int wake = 0; - mode_t mode; + umode_t mode; uid_t uid; gid_t gid; struct ceph_mds_session *session; diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index 98954003a8d3..74fd74719dc2 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -666,7 +666,7 @@ int ceph_handle_notrace_create(struct inode *dir, struct dentry *dentry) } static int ceph_mknod(struct inode *dir, struct dentry *dentry, - int mode, dev_t rdev) + umode_t mode, dev_t rdev) { struct ceph_fs_client *fsc = ceph_sb_to_client(dir->i_sb); struct ceph_mds_client *mdsc = fsc->mdsc; @@ -676,7 +676,7 @@ static int ceph_mknod(struct inode *dir, struct dentry *dentry, if (ceph_snap(dir) != CEPH_NOSNAP) return -EROFS; - dout("mknod in dir %p dentry %p mode 0%o rdev %d\n", + dout("mknod in dir %p dentry %p mode 0%ho rdev %d\n", dir, dentry, mode, rdev); req = ceph_mdsc_create_request(mdsc, CEPH_MDS_OP_MKNOD, USE_AUTH_MDS); if (IS_ERR(req)) { @@ -699,7 +699,7 @@ static int ceph_mknod(struct inode *dir, struct dentry *dentry, return err; } -static int ceph_create(struct inode *dir, struct dentry *dentry, int mode, +static int ceph_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { dout("create in dir %p dentry %p name '%.*s'\n", @@ -753,7 +753,7 @@ static int ceph_symlink(struct inode *dir, struct dentry *dentry, return err; } -static int ceph_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int ceph_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { struct ceph_fs_client *fsc = ceph_sb_to_client(dir->i_sb); struct ceph_mds_client *mdsc = fsc->mdsc; @@ -767,7 +767,7 @@ static int ceph_mkdir(struct inode *dir, struct dentry *dentry, int mode) dout("mksnap dir %p snap '%.*s' dn %p\n", dir, dentry->d_name.len, dentry->d_name.name, dentry); } else if (ceph_snap(dir) == CEPH_NOSNAP) { - dout("mkdir dir %p dn %p mode 0%o\n", dir, dentry, mode); + dout("mkdir dir %p dn %p mode 0%ho\n", dir, dentry, mode); op = CEPH_MDS_OP_MKDIR; } else { goto out; @@ -870,7 +870,7 @@ static int ceph_unlink(struct inode *dir, struct dentry *dentry) } else if (ceph_snap(dir) == CEPH_NOSNAP) { dout("unlink/rmdir dir %p dn %p inode %p\n", dir, dentry, inode); - op = ((dentry->d_inode->i_mode & S_IFMT) == S_IFDIR) ? + op = S_ISDIR(dentry->d_inode->i_mode) ? CEPH_MDS_OP_RMDIR : CEPH_MDS_OP_UNLINK; } else goto out; diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index 87fb132fb330..25283e7a37f8 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -384,7 +384,6 @@ static void ceph_i_callback(struct rcu_head *head) struct inode *inode = container_of(head, struct inode, i_rcu); struct ceph_inode_info *ci = ceph_inode(inode); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(ceph_inode_cachep, ci); } diff --git a/fs/ceph/super.c b/fs/ceph/super.c index b48f15f101a0..11bd0fc4853f 100644 --- a/fs/ceph/super.c +++ b/fs/ceph/super.c @@ -341,11 +341,11 @@ out: /** * ceph_show_options - Show mount options in /proc/mounts * @m: seq_file to write to - * @mnt: mount descriptor + * @root: root of that (sub)tree */ -static int ceph_show_options(struct seq_file *m, struct vfsmount *mnt) +static int ceph_show_options(struct seq_file *m, struct dentry *root) { - struct ceph_fs_client *fsc = ceph_sb_to_client(mnt->mnt_sb); + struct ceph_fs_client *fsc = ceph_sb_to_client(root->d_sb); struct ceph_mount_options *fsopt = fsc->mount_options; struct ceph_options *opt = fsc->client->options; diff --git a/fs/ceph/super.h b/fs/ceph/super.h index edcbf3774a56..cb3652b37271 100644 --- a/fs/ceph/super.h +++ b/fs/ceph/super.h @@ -136,7 +136,7 @@ struct ceph_cap_snap { int issued, dirty; struct ceph_snap_context *context; - mode_t mode; + umode_t mode; uid_t uid; gid_t gid; diff --git a/fs/cifs/cifs_fs_sb.h b/fs/cifs/cifs_fs_sb.h index 500d65859279..c865bfdfe819 100644 --- a/fs/cifs/cifs_fs_sb.h +++ b/fs/cifs/cifs_fs_sb.h @@ -59,8 +59,8 @@ struct cifs_sb_info { gid_t mnt_gid; uid_t mnt_backupuid; gid_t mnt_backupgid; - mode_t mnt_file_mode; - mode_t mnt_dir_mode; + umode_t mnt_file_mode; + umode_t mnt_dir_mode; unsigned int mnt_cifs_flags; char *mountdata; /* options received at mount time or via DFS refs */ struct backing_dev_info bdi; diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 8f1fe324162b..b1fd382d1952 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -343,9 +343,9 @@ cifs_show_security(struct seq_file *s, struct TCP_Server_Info *server) * ones are. */ static int -cifs_show_options(struct seq_file *s, struct vfsmount *m) +cifs_show_options(struct seq_file *s, struct dentry *root) { - struct cifs_sb_info *cifs_sb = CIFS_SB(m->mnt_sb); + struct cifs_sb_info *cifs_sb = CIFS_SB(root->d_sb); struct cifs_tcon *tcon = cifs_sb_master_tcon(cifs_sb); struct sockaddr *srcaddr; srcaddr = (struct sockaddr *)&tcon->ses->server->srcaddr; @@ -393,7 +393,7 @@ cifs_show_options(struct seq_file *s, struct vfsmount *m) cifs_show_address(s, tcon->ses->server); if (!tcon->unix_ext) - seq_printf(s, ",file_mode=0%o,dir_mode=0%o", + seq_printf(s, ",file_mode=0%ho,dir_mode=0%ho", cifs_sb->mnt_file_mode, cifs_sb->mnt_dir_mode); if (tcon->seal) @@ -430,7 +430,7 @@ cifs_show_options(struct seq_file *s, struct vfsmount *m) seq_printf(s, ",cifsacl"); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_DYNPERM) seq_printf(s, ",dynperm"); - if (m->mnt_sb->s_flags & MS_POSIXACL) + if (root->d_sb->s_flags & MS_POSIXACL) seq_printf(s, ",acl"); if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MF_SYMLINKS) seq_printf(s, ",mfsymlinks"); @@ -488,7 +488,7 @@ static void cifs_umount_begin(struct super_block *sb) } #ifdef CONFIG_CIFS_STATS2 -static int cifs_show_stats(struct seq_file *s, struct vfsmount *mnt) +static int cifs_show_stats(struct seq_file *s, struct dentry *root) { /* BB FIXME */ return 0; diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index 30ff56005d8f..fe5ecf1b422a 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -44,14 +44,14 @@ extern const struct address_space_operations cifs_addr_ops_smallbuf; /* Functions related to inodes */ extern const struct inode_operations cifs_dir_inode_ops; extern struct inode *cifs_root_iget(struct super_block *); -extern int cifs_create(struct inode *, struct dentry *, int, +extern int cifs_create(struct inode *, struct dentry *, umode_t, struct nameidata *); extern struct dentry *cifs_lookup(struct inode *, struct dentry *, struct nameidata *); extern int cifs_unlink(struct inode *dir, struct dentry *dentry); extern int cifs_hardlink(struct dentry *, struct inode *, struct dentry *); -extern int cifs_mknod(struct inode *, struct dentry *, int, dev_t); -extern int cifs_mkdir(struct inode *, struct dentry *, int); +extern int cifs_mknod(struct inode *, struct dentry *, umode_t, dev_t); +extern int cifs_mkdir(struct inode *, struct dentry *, umode_t); extern int cifs_rmdir(struct inode *, struct dentry *); extern int cifs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *); diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index 8238aa13e01c..ba53c1c6c6cc 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -169,8 +169,8 @@ struct smb_vol { gid_t linux_gid; uid_t backupuid; gid_t backupgid; - mode_t file_mode; - mode_t dir_mode; + umode_t file_mode; + umode_t dir_mode; unsigned secFlg; bool retry:1; bool intr:1; diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index f3670cf72587..4666780f315d 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -2819,7 +2819,7 @@ void cifs_setup_cifs_sb(struct smb_vol *pvolume_info, cifs_sb->mnt_backupgid = pvolume_info->backupgid; cifs_sb->mnt_file_mode = pvolume_info->file_mode; cifs_sb->mnt_dir_mode = pvolume_info->dir_mode; - cFYI(1, "file mode: 0x%x dir mode: 0x%x", + cFYI(1, "file mode: 0x%hx dir mode: 0x%hx", cifs_sb->mnt_file_mode, cifs_sb->mnt_dir_mode); cifs_sb->actimeo = pvolume_info->actimeo; diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index d7eeb9d3ed6f..df8fecb5b993 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c @@ -136,7 +136,7 @@ cifs_bp_rename_retry: /* Inode operations in similar order to how they appear in Linux file fs.h */ int -cifs_create(struct inode *inode, struct dentry *direntry, int mode, +cifs_create(struct inode *inode, struct dentry *direntry, umode_t mode, struct nameidata *nd) { int rc = -ENOENT; @@ -355,7 +355,7 @@ cifs_create_out: return rc; } -int cifs_mknod(struct inode *inode, struct dentry *direntry, int mode, +int cifs_mknod(struct inode *inode, struct dentry *direntry, umode_t mode, dev_t device_number) { int rc = -EPERM; diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index e851d5b8931e..a5f54b7d9822 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -1264,7 +1264,7 @@ unlink_out: return rc; } -int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode) +int cifs_mkdir(struct inode *inode, struct dentry *direntry, umode_t mode) { int rc = 0, tmprc; int xid; @@ -1275,7 +1275,7 @@ int cifs_mkdir(struct inode *inode, struct dentry *direntry, int mode) struct inode *newinode = NULL; struct cifs_fattr fattr; - cFYI(1, "In cifs_mkdir, mode = 0x%x inode = 0x%p", mode, inode); + cFYI(1, "In cifs_mkdir, mode = 0x%hx inode = 0x%p", mode, inode); cifs_sb = CIFS_SB(inode->i_sb); tlink = cifs_sb_tlink(cifs_sb); diff --git a/fs/coda/dir.c b/fs/coda/dir.c index 28e7e135cfab..83d2fd8ec24b 100644 --- a/fs/coda/dir.c +++ b/fs/coda/dir.c @@ -30,14 +30,14 @@ #include "coda_int.h" /* dir inode-ops */ -static int coda_create(struct inode *dir, struct dentry *new, int mode, struct nameidata *nd); +static int coda_create(struct inode *dir, struct dentry *new, umode_t mode, struct nameidata *nd); static struct dentry *coda_lookup(struct inode *dir, struct dentry *target, struct nameidata *nd); static int coda_link(struct dentry *old_dentry, struct inode *dir_inode, struct dentry *entry); static int coda_unlink(struct inode *dir_inode, struct dentry *entry); static int coda_symlink(struct inode *dir_inode, struct dentry *entry, const char *symname); -static int coda_mkdir(struct inode *dir_inode, struct dentry *entry, int mode); +static int coda_mkdir(struct inode *dir_inode, struct dentry *entry, umode_t mode); static int coda_rmdir(struct inode *dir_inode, struct dentry *entry); static int coda_rename(struct inode *old_inode, struct dentry *old_dentry, struct inode *new_inode, struct dentry *new_dentry); @@ -191,7 +191,7 @@ static inline void coda_dir_drop_nlink(struct inode *dir) } /* creation routines: create, mknod, mkdir, link, symlink */ -static int coda_create(struct inode *dir, struct dentry *de, int mode, struct nameidata *nd) +static int coda_create(struct inode *dir, struct dentry *de, umode_t mode, struct nameidata *nd) { int error; const char *name=de->d_name.name; @@ -223,7 +223,7 @@ err_out: return error; } -static int coda_mkdir(struct inode *dir, struct dentry *de, int mode) +static int coda_mkdir(struct inode *dir, struct dentry *de, umode_t mode) { struct inode *inode; struct coda_vattr attrs; diff --git a/fs/coda/inode.c b/fs/coda/inode.c index 871b27715465..1c08a8cd673a 100644 --- a/fs/coda/inode.c +++ b/fs/coda/inode.c @@ -58,7 +58,6 @@ static struct inode *coda_alloc_inode(struct super_block *sb) static void coda_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(coda_inode_cachep, ITOC(inode)); } diff --git a/fs/compat.c b/fs/compat.c index c98787536bb8..fa9d721ecfee 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -342,16 +342,9 @@ asmlinkage long compat_sys_fstatfs64(unsigned int fd, compat_size_t sz, struct c */ asmlinkage long compat_sys_ustat(unsigned dev, struct compat_ustat __user *u) { - struct super_block *sb; struct compat_ustat tmp; struct kstatfs sbuf; - int err; - - sb = user_get_super(new_decode_dev(dev)); - if (!sb) - return -EINVAL; - err = statfs_by_dentry(sb->s_root, &sbuf); - drop_super(sb); + int err = vfs_ustat(new_decode_dev(dev), &sbuf); if (err) return err; @@ -1288,7 +1281,7 @@ compat_sys_vmsplice(int fd, const struct compat_iovec __user *iov32, * O_LARGEFILE flag. */ asmlinkage long -compat_sys_open(const char __user *filename, int flags, int mode) +compat_sys_open(const char __user *filename, int flags, umode_t mode) { return do_sys_open(AT_FDCWD, filename, flags, mode); } @@ -1298,7 +1291,7 @@ compat_sys_open(const char __user *filename, int flags, int mode) * O_LARGEFILE flag. */ asmlinkage long -compat_sys_openat(unsigned int dfd, const char __user *filename, int flags, int mode) +compat_sys_openat(unsigned int dfd, const char __user *filename, int flags, umode_t mode) { return do_sys_open(dfd, filename, flags, mode); } diff --git a/fs/configfs/configfs_internal.h b/fs/configfs/configfs_internal.h index 82bda8fdfc1c..ede857d20a04 100644 --- a/fs/configfs/configfs_internal.h +++ b/fs/configfs/configfs_internal.h @@ -63,8 +63,8 @@ extern struct kmem_cache *configfs_dir_cachep; extern int configfs_is_root(struct config_item *item); -extern struct inode * configfs_new_inode(mode_t mode, struct configfs_dirent *); -extern int configfs_create(struct dentry *, int mode, int (*init)(struct inode *)); +extern struct inode * configfs_new_inode(umode_t mode, struct configfs_dirent *); +extern int configfs_create(struct dentry *, umode_t mode, int (*init)(struct inode *)); extern int configfs_inode_init(void); extern void configfs_inode_exit(void); diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c index 9a37a9b6de3a..5ddd7ebd9dcd 100644 --- a/fs/configfs/dir.c +++ b/fs/configfs/dir.c @@ -311,8 +311,8 @@ static int configfs_create_dir(struct config_item * item, struct dentry *dentry) if (item->ci_parent) parent = item->ci_parent->ci_dentry; - else if (configfs_mount && configfs_mount->mnt_sb) - parent = configfs_mount->mnt_sb->s_root; + else if (configfs_mount) + parent = configfs_mount->mnt_root; else return -EFAULT; @@ -1170,7 +1170,7 @@ void configfs_undepend_item(struct configfs_subsystem *subsys, } EXPORT_SYMBOL(configfs_undepend_item); -static int configfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int configfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { int ret = 0; int module_got = 0; diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c index 9d8715c45f25..3ee36d418863 100644 --- a/fs/configfs/inode.c +++ b/fs/configfs/inode.c @@ -116,7 +116,7 @@ int configfs_setattr(struct dentry * dentry, struct iattr * iattr) return error; } -static inline void set_default_inode_attr(struct inode * inode, mode_t mode) +static inline void set_default_inode_attr(struct inode * inode, umode_t mode) { inode->i_mode = mode; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; @@ -132,7 +132,7 @@ static inline void set_inode_attr(struct inode * inode, struct iattr * iattr) inode->i_ctime = iattr->ia_ctime; } -struct inode * configfs_new_inode(mode_t mode, struct configfs_dirent * sd) +struct inode *configfs_new_inode(umode_t mode, struct configfs_dirent * sd) { struct inode * inode = new_inode(configfs_sb); if (inode) { @@ -185,7 +185,7 @@ static void configfs_set_inode_lock_class(struct configfs_dirent *sd, #endif /* CONFIG_LOCKDEP */ -int configfs_create(struct dentry * dentry, int mode, int (*init)(struct inode *)) +int configfs_create(struct dentry * dentry, umode_t mode, int (*init)(struct inode *)) { int error = 0; struct inode * inode = NULL; diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c index 739fb59bcdc2..a2ee8f9f5a38 100644 --- a/fs/cramfs/inode.c +++ b/fs/cramfs/inode.c @@ -20,7 +20,6 @@ #include <linux/cramfs_fs.h> #include <linux/slab.h> #include <linux/cramfs_fs_sb.h> -#include <linux/buffer_head.h> #include <linux/vfs.h> #include <linux/mutex.h> @@ -378,7 +377,7 @@ static int cramfs_readdir(struct file *filp, void *dirent, filldir_t filldir) unsigned long nextoffset; char *name; ino_t ino; - mode_t mode; + umode_t mode; int namelen, error; mutex_lock(&read_mutex); diff --git a/fs/dcache.c b/fs/dcache.c index 89509b5a090e..9791b1e7eee4 100644 --- a/fs/dcache.c +++ b/fs/dcache.c @@ -38,6 +38,7 @@ #include <linux/prefetch.h> #include <linux/ratelimit.h> #include "internal.h" +#include "mount.h" /* * Usage: @@ -2451,6 +2452,7 @@ static int prepend_path(const struct path *path, { struct dentry *dentry = path->dentry; struct vfsmount *vfsmnt = path->mnt; + struct mount *mnt = real_mount(vfsmnt); bool slash = false; int error = 0; @@ -2460,11 +2462,11 @@ static int prepend_path(const struct path *path, if (dentry == vfsmnt->mnt_root || IS_ROOT(dentry)) { /* Global root? */ - if (vfsmnt->mnt_parent == vfsmnt) { + if (!mnt_has_parent(mnt)) goto global_root; - } - dentry = vfsmnt->mnt_mountpoint; - vfsmnt = vfsmnt->mnt_parent; + dentry = mnt->mnt_mountpoint; + mnt = mnt->mnt_parent; + vfsmnt = &mnt->mnt; continue; } parent = dentry->d_parent; @@ -2501,7 +2503,7 @@ global_root: if (!slash) error = prepend(buffer, buflen, "/", 1); if (!error) - error = vfsmnt->mnt_ns ? 1 : 2; + error = real_mount(vfsmnt)->mnt_ns ? 1 : 2; goto out; } @@ -2853,31 +2855,6 @@ int is_subdir(struct dentry *new_dentry, struct dentry *old_dentry) return result; } -int path_is_under(struct path *path1, struct path *path2) -{ - struct vfsmount *mnt = path1->mnt; - struct dentry *dentry = path1->dentry; - int res; - - br_read_lock(vfsmount_lock); - if (mnt != path2->mnt) { - for (;;) { - if (mnt->mnt_parent == mnt) { - br_read_unlock(vfsmount_lock); - return 0; - } - if (mnt->mnt_parent == path2->mnt) - break; - mnt = mnt->mnt_parent; - } - dentry = mnt->mnt_mountpoint; - } - res = is_subdir(dentry, path2->dentry); - br_read_unlock(vfsmount_lock); - return res; -} -EXPORT_SYMBOL(path_is_under); - void d_genocide(struct dentry *root) { struct dentry *this_parent; diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c index ea62afa4fd57..f65d4455c5e5 100644 --- a/fs/debugfs/file.c +++ b/fs/debugfs/file.c @@ -97,7 +97,7 @@ DEFINE_SIMPLE_ATTRIBUTE(fops_u8_wo, NULL, debugfs_u8_set, "%llu\n"); * %NULL or !%NULL instead as to eliminate the need for #ifdef in the calling * code. */ -struct dentry *debugfs_create_u8(const char *name, mode_t mode, +struct dentry *debugfs_create_u8(const char *name, umode_t mode, struct dentry *parent, u8 *value) { /* if there are no write bits set, make read only */ @@ -149,7 +149,7 @@ DEFINE_SIMPLE_ATTRIBUTE(fops_u16_wo, NULL, debugfs_u16_set, "%llu\n"); * %NULL or !%NULL instead as to eliminate the need for #ifdef in the calling * code. */ -struct dentry *debugfs_create_u16(const char *name, mode_t mode, +struct dentry *debugfs_create_u16(const char *name, umode_t mode, struct dentry *parent, u16 *value) { /* if there are no write bits set, make read only */ @@ -201,7 +201,7 @@ DEFINE_SIMPLE_ATTRIBUTE(fops_u32_wo, NULL, debugfs_u32_set, "%llu\n"); * %NULL or !%NULL instead as to eliminate the need for #ifdef in the calling * code. */ -struct dentry *debugfs_create_u32(const char *name, mode_t mode, +struct dentry *debugfs_create_u32(const char *name, umode_t mode, struct dentry *parent, u32 *value) { /* if there are no write bits set, make read only */ @@ -254,7 +254,7 @@ DEFINE_SIMPLE_ATTRIBUTE(fops_u64_wo, NULL, debugfs_u64_set, "%llu\n"); * %NULL or !%NULL instead as to eliminate the need for #ifdef in the calling * code. */ -struct dentry *debugfs_create_u64(const char *name, mode_t mode, +struct dentry *debugfs_create_u64(const char *name, umode_t mode, struct dentry *parent, u64 *value) { /* if there are no write bits set, make read only */ @@ -300,7 +300,7 @@ DEFINE_SIMPLE_ATTRIBUTE(fops_x64, debugfs_u64_get, debugfs_u64_set, "0x%016llx\n * @value: a pointer to the variable that the file should read to and write * from. */ -struct dentry *debugfs_create_x8(const char *name, mode_t mode, +struct dentry *debugfs_create_x8(const char *name, umode_t mode, struct dentry *parent, u8 *value) { /* if there are no write bits set, make read only */ @@ -324,7 +324,7 @@ EXPORT_SYMBOL_GPL(debugfs_create_x8); * @value: a pointer to the variable that the file should read to and write * from. */ -struct dentry *debugfs_create_x16(const char *name, mode_t mode, +struct dentry *debugfs_create_x16(const char *name, umode_t mode, struct dentry *parent, u16 *value) { /* if there are no write bits set, make read only */ @@ -348,7 +348,7 @@ EXPORT_SYMBOL_GPL(debugfs_create_x16); * @value: a pointer to the variable that the file should read to and write * from. */ -struct dentry *debugfs_create_x32(const char *name, mode_t mode, +struct dentry *debugfs_create_x32(const char *name, umode_t mode, struct dentry *parent, u32 *value) { /* if there are no write bits set, make read only */ @@ -372,7 +372,7 @@ EXPORT_SYMBOL_GPL(debugfs_create_x32); * @value: a pointer to the variable that the file should read to and write * from. */ -struct dentry *debugfs_create_x64(const char *name, mode_t mode, +struct dentry *debugfs_create_x64(const char *name, umode_t mode, struct dentry *parent, u64 *value) { return debugfs_create_file(name, mode, parent, value, &fops_x64); @@ -403,7 +403,7 @@ DEFINE_SIMPLE_ATTRIBUTE(fops_size_t, debugfs_size_t_get, debugfs_size_t_set, * @value: a pointer to the variable that the file should read to and write * from. */ -struct dentry *debugfs_create_size_t(const char *name, mode_t mode, +struct dentry *debugfs_create_size_t(const char *name, umode_t mode, struct dentry *parent, size_t *value) { return debugfs_create_file(name, mode, parent, value, &fops_size_t); @@ -475,7 +475,7 @@ static const struct file_operations fops_bool = { * %NULL or !%NULL instead as to eliminate the need for #ifdef in the calling * code. */ -struct dentry *debugfs_create_bool(const char *name, mode_t mode, +struct dentry *debugfs_create_bool(const char *name, umode_t mode, struct dentry *parent, u32 *value) { return debugfs_create_file(name, mode, parent, value, &fops_bool); @@ -520,7 +520,7 @@ static const struct file_operations fops_blob = { * %NULL or !%NULL instead as to eliminate the need for #ifdef in the calling * code. */ -struct dentry *debugfs_create_blob(const char *name, mode_t mode, +struct dentry *debugfs_create_blob(const char *name, umode_t mode, struct dentry *parent, struct debugfs_blob_wrapper *blob) { diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c index f3a257d7a985..956d5ddddf6e 100644 --- a/fs/debugfs/inode.c +++ b/fs/debugfs/inode.c @@ -30,7 +30,7 @@ static struct vfsmount *debugfs_mount; static int debugfs_mount_count; static bool debugfs_registered; -static struct inode *debugfs_get_inode(struct super_block *sb, int mode, dev_t dev, +static struct inode *debugfs_get_inode(struct super_block *sb, umode_t mode, dev_t dev, void *data, const struct file_operations *fops) { @@ -69,7 +69,7 @@ static struct inode *debugfs_get_inode(struct super_block *sb, int mode, dev_t d /* SMP-safe */ static int debugfs_mknod(struct inode *dir, struct dentry *dentry, - int mode, dev_t dev, void *data, + umode_t mode, dev_t dev, void *data, const struct file_operations *fops) { struct inode *inode; @@ -87,7 +87,7 @@ static int debugfs_mknod(struct inode *dir, struct dentry *dentry, return error; } -static int debugfs_mkdir(struct inode *dir, struct dentry *dentry, int mode, +static int debugfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode, void *data, const struct file_operations *fops) { int res; @@ -101,14 +101,14 @@ static int debugfs_mkdir(struct inode *dir, struct dentry *dentry, int mode, return res; } -static int debugfs_link(struct inode *dir, struct dentry *dentry, int mode, +static int debugfs_link(struct inode *dir, struct dentry *dentry, umode_t mode, void *data, const struct file_operations *fops) { mode = (mode & S_IALLUGO) | S_IFLNK; return debugfs_mknod(dir, dentry, mode, 0, data, fops); } -static int debugfs_create(struct inode *dir, struct dentry *dentry, int mode, +static int debugfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, void *data, const struct file_operations *fops) { int res; @@ -146,7 +146,7 @@ static struct file_system_type debug_fs_type = { .kill_sb = kill_litter_super, }; -static int debugfs_create_by_name(const char *name, mode_t mode, +static int debugfs_create_by_name(const char *name, umode_t mode, struct dentry *parent, struct dentry **dentry, void *data, @@ -160,7 +160,7 @@ static int debugfs_create_by_name(const char *name, mode_t mode, * have around. */ if (!parent) - parent = debugfs_mount->mnt_sb->s_root; + parent = debugfs_mount->mnt_root; *dentry = NULL; mutex_lock(&parent->d_inode->i_mutex); @@ -214,7 +214,7 @@ static int debugfs_create_by_name(const char *name, mode_t mode, * If debugfs is not enabled in the kernel, the value -%ENODEV will be * returned. */ -struct dentry *debugfs_create_file(const char *name, mode_t mode, +struct dentry *debugfs_create_file(const char *name, umode_t mode, struct dentry *parent, void *data, const struct file_operations *fops) { diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c index d5d5297efe97..79673eb71151 100644 --- a/fs/devpts/inode.c +++ b/fs/devpts/inode.c @@ -246,9 +246,9 @@ static int devpts_remount(struct super_block *sb, int *flags, char *data) return err; } -static int devpts_show_options(struct seq_file *seq, struct vfsmount *vfs) +static int devpts_show_options(struct seq_file *seq, struct dentry *root) { - struct pts_fs_info *fsi = DEVPTS_SB(vfs->mnt_sb); + struct pts_fs_info *fsi = DEVPTS_SB(root->d_sb); struct pts_mount_opts *opts = &fsi->mount_opts; if (opts->setuid) diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index 32f90a3ae63e..19a8ca4ab1dd 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -144,24 +144,6 @@ static int ecryptfs_interpose(struct dentry *lower_dentry, } /** - * ecryptfs_create_underlying_file - * @lower_dir_inode: inode of the parent in the lower fs of the new file - * @dentry: New file's dentry - * @mode: The mode of the new file - * - * Creates the file in the lower file system. - * - * Returns zero on success; non-zero on error condition - */ -static int -ecryptfs_create_underlying_file(struct inode *lower_dir_inode, - struct dentry *dentry, int mode) -{ - struct dentry *lower_dentry = ecryptfs_dentry_to_lower(dentry); - return vfs_create(lower_dir_inode, lower_dentry, mode, NULL); -} - -/** * ecryptfs_do_create * @directory_inode: inode of the new file's dentry's parent in ecryptfs * @ecryptfs_dentry: New file's dentry in ecryptfs @@ -176,7 +158,7 @@ ecryptfs_create_underlying_file(struct inode *lower_dir_inode, */ static struct inode * ecryptfs_do_create(struct inode *directory_inode, - struct dentry *ecryptfs_dentry, int mode) + struct dentry *ecryptfs_dentry, umode_t mode) { int rc; struct dentry *lower_dentry; @@ -191,8 +173,7 @@ ecryptfs_do_create(struct inode *directory_inode, inode = ERR_CAST(lower_dir_dentry); goto out; } - rc = ecryptfs_create_underlying_file(lower_dir_dentry->d_inode, - ecryptfs_dentry, mode); + rc = vfs_create(lower_dir_dentry->d_inode, lower_dentry, mode, NULL); if (rc) { printk(KERN_ERR "%s: Failure to create dentry in lower fs; " "rc = [%d]\n", __func__, rc); @@ -267,7 +248,7 @@ out: */ static int ecryptfs_create(struct inode *directory_inode, struct dentry *ecryptfs_dentry, - int mode, struct nameidata *nd) + umode_t mode, struct nameidata *nd) { struct inode *ecryptfs_inode; int rc; @@ -559,7 +540,7 @@ out_lock: return rc; } -static int ecryptfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int ecryptfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { int rc; struct dentry *lower_dentry; @@ -607,7 +588,7 @@ static int ecryptfs_rmdir(struct inode *dir, struct dentry *dentry) } static int -ecryptfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) +ecryptfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) { int rc; struct dentry *lower_dentry; diff --git a/fs/ecryptfs/super.c b/fs/ecryptfs/super.c index dbd52d40df4c..9df7fd6e0c39 100644 --- a/fs/ecryptfs/super.c +++ b/fs/ecryptfs/super.c @@ -69,7 +69,6 @@ static void ecryptfs_i_callback(struct rcu_head *head) struct ecryptfs_inode_info *inode_info; inode_info = ecryptfs_inode_to_private(inode); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(ecryptfs_inode_info_cache, inode_info); } @@ -132,9 +131,9 @@ static void ecryptfs_evict_inode(struct inode *inode) * Prints the mount options for a given superblock. * Returns zero; does not fail. */ -static int ecryptfs_show_options(struct seq_file *m, struct vfsmount *mnt) +static int ecryptfs_show_options(struct seq_file *m, struct dentry *root) { - struct super_block *sb = mnt->mnt_sb; + struct super_block *sb = root->d_sb; struct ecryptfs_mount_crypt_stat *mount_crypt_stat = &ecryptfs_superblock_to_private(sb)->mount_crypt_stat; struct ecryptfs_global_auth_tok *walker; diff --git a/fs/efs/super.c b/fs/efs/super.c index 0f31acb0131c..981106429a9f 100644 --- a/fs/efs/super.c +++ b/fs/efs/super.c @@ -68,7 +68,6 @@ static struct inode *efs_alloc_inode(struct super_block *sb) static void efs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(efs_inode_cachep, INODE_INFO(inode)); } diff --git a/fs/exec.c b/fs/exec.c index 36254645b7cc..3f64b9f26e7d 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1225,7 +1225,7 @@ EXPORT_SYMBOL(install_exec_creds); * - the caller must hold ->cred_guard_mutex to protect against * PTRACE_ATTACH */ -int check_unsafe_exec(struct linux_binprm *bprm) +static int check_unsafe_exec(struct linux_binprm *bprm) { struct task_struct *p = current, *t; unsigned n_fs; diff --git a/fs/exofs/dir.c b/fs/exofs/dir.c index d0941c6a1f72..80405836ba6e 100644 --- a/fs/exofs/dir.c +++ b/fs/exofs/dir.c @@ -234,7 +234,7 @@ static unsigned char exofs_type_by_mode[S_IFMT >> S_SHIFT] = { static inline void exofs_set_de_type(struct exofs_dir_entry *de, struct inode *inode) { - mode_t mode = inode->i_mode; + umode_t mode = inode->i_mode; de->file_type = exofs_type_by_mode[(mode & S_IFMT) >> S_SHIFT]; } diff --git a/fs/exofs/exofs.h b/fs/exofs/exofs.h index 51f4b4c40f09..ca9d49665ef6 100644 --- a/fs/exofs/exofs.h +++ b/fs/exofs/exofs.h @@ -154,7 +154,7 @@ int exofs_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata); extern struct inode *exofs_iget(struct super_block *, unsigned long); -struct inode *exofs_new_inode(struct inode *, int); +struct inode *exofs_new_inode(struct inode *, umode_t); extern int exofs_write_inode(struct inode *, struct writeback_control *wbc); extern void exofs_evict_inode(struct inode *); diff --git a/fs/exofs/inode.c b/fs/exofs/inode.c index f6dbf7768ce6..ea5e1f97806a 100644 --- a/fs/exofs/inode.c +++ b/fs/exofs/inode.c @@ -1276,7 +1276,7 @@ static void create_done(struct ore_io_state *ios, void *p) /* * Set up a new inode and create an object for it on the OSD */ -struct inode *exofs_new_inode(struct inode *dir, int mode) +struct inode *exofs_new_inode(struct inode *dir, umode_t mode) { struct super_block *sb = dir->i_sb; struct exofs_sb_info *sbi = sb->s_fs_info; diff --git a/fs/exofs/namei.c b/fs/exofs/namei.c index b54c43775f17..9dbf0c301030 100644 --- a/fs/exofs/namei.c +++ b/fs/exofs/namei.c @@ -59,7 +59,7 @@ static struct dentry *exofs_lookup(struct inode *dir, struct dentry *dentry, return d_splice_alias(inode, dentry); } -static int exofs_create(struct inode *dir, struct dentry *dentry, int mode, +static int exofs_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { struct inode *inode = exofs_new_inode(dir, mode); @@ -74,7 +74,7 @@ static int exofs_create(struct inode *dir, struct dentry *dentry, int mode, return err; } -static int exofs_mknod(struct inode *dir, struct dentry *dentry, int mode, +static int exofs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rdev) { struct inode *inode; @@ -153,7 +153,7 @@ static int exofs_link(struct dentry *old_dentry, struct inode *dir, return exofs_add_nondir(dentry, inode); } -static int exofs_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int exofs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { struct inode *inode; int err = -EMLINK; diff --git a/fs/exofs/super.c b/fs/exofs/super.c index e6085ec192d6..8addfe314dc7 100644 --- a/fs/exofs/super.c +++ b/fs/exofs/super.c @@ -166,7 +166,6 @@ static struct inode *exofs_alloc_inode(struct super_block *sb) static void exofs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(exofs_inode_cachep, exofs_i(inode)); } diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c index 47cda410b548..d37df352d324 100644 --- a/fs/ext2/dir.c +++ b/fs/ext2/dir.c @@ -279,7 +279,7 @@ static unsigned char ext2_type_by_mode[S_IFMT >> S_SHIFT] = { static inline void ext2_set_de_type(ext2_dirent *de, struct inode *inode) { - mode_t mode = inode->i_mode; + umode_t mode = inode->i_mode; if (EXT2_HAS_INCOMPAT_FEATURE(inode->i_sb, EXT2_FEATURE_INCOMPAT_FILETYPE)) de->file_type = ext2_type_by_mode[(mode & S_IFMT)>>S_SHIFT]; else diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h index 9a4e5e206d08..75ad433c6691 100644 --- a/fs/ext2/ext2.h +++ b/fs/ext2/ext2.h @@ -110,7 +110,7 @@ extern struct ext2_dir_entry_2 * ext2_dotdot (struct inode *, struct page **); extern void ext2_set_link(struct inode *, struct ext2_dir_entry_2 *, struct page *, struct inode *, int); /* ialloc.c */ -extern struct inode * ext2_new_inode (struct inode *, int, const struct qstr *); +extern struct inode * ext2_new_inode (struct inode *, umode_t, const struct qstr *); extern void ext2_free_inode (struct inode *); extern unsigned long ext2_count_free_inodes (struct super_block *); extern void ext2_check_inodes_bitmap (struct super_block *); diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c index c4e81dfb74ba..cd7f5f424a75 100644 --- a/fs/ext2/ialloc.c +++ b/fs/ext2/ialloc.c @@ -429,7 +429,7 @@ found: return group; } -struct inode *ext2_new_inode(struct inode *dir, int mode, +struct inode *ext2_new_inode(struct inode *dir, umode_t mode, const struct qstr *qstr) { struct super_block *sb; diff --git a/fs/ext2/ioctl.c b/fs/ext2/ioctl.c index f81e250ac5c4..1089f760c847 100644 --- a/fs/ext2/ioctl.c +++ b/fs/ext2/ioctl.c @@ -35,7 +35,7 @@ long ext2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) case EXT2_IOC_SETFLAGS: { unsigned int oldflags; - ret = mnt_want_write(filp->f_path.mnt); + ret = mnt_want_write_file(filp); if (ret) return ret; @@ -83,7 +83,7 @@ long ext2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) inode->i_ctime = CURRENT_TIME_SEC; mark_inode_dirty(inode); setflags_out: - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); return ret; } case EXT2_IOC_GETVERSION: @@ -91,7 +91,7 @@ setflags_out: case EXT2_IOC_SETVERSION: if (!inode_owner_or_capable(inode)) return -EPERM; - ret = mnt_want_write(filp->f_path.mnt); + ret = mnt_want_write_file(filp); if (ret) return ret; if (get_user(inode->i_generation, (int __user *) arg)) { @@ -100,7 +100,7 @@ setflags_out: inode->i_ctime = CURRENT_TIME_SEC; mark_inode_dirty(inode); } - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); return ret; case EXT2_IOC_GETRSVSZ: if (test_opt(inode->i_sb, RESERVATION) @@ -121,7 +121,7 @@ setflags_out: if (get_user(rsv_window_size, (int __user *)arg)) return -EFAULT; - ret = mnt_want_write(filp->f_path.mnt); + ret = mnt_want_write_file(filp); if (ret) return ret; @@ -145,7 +145,7 @@ setflags_out: rsv->rsv_goal_size = rsv_window_size; } mutex_unlock(&ei->truncate_mutex); - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); return 0; } default: diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c index 761fde807fc9..080419814bae 100644 --- a/fs/ext2/namei.c +++ b/fs/ext2/namei.c @@ -94,7 +94,7 @@ struct dentry *ext2_get_parent(struct dentry *child) * If the create succeeds, we fill in the inode information * with d_instantiate(). */ -static int ext2_create (struct inode * dir, struct dentry * dentry, int mode, struct nameidata *nd) +static int ext2_create (struct inode * dir, struct dentry * dentry, umode_t mode, struct nameidata *nd) { struct inode *inode; @@ -119,7 +119,7 @@ static int ext2_create (struct inode * dir, struct dentry * dentry, int mode, st return ext2_add_nondir(dentry, inode); } -static int ext2_mknod (struct inode * dir, struct dentry *dentry, int mode, dev_t rdev) +static int ext2_mknod (struct inode * dir, struct dentry *dentry, umode_t mode, dev_t rdev) { struct inode * inode; int err; @@ -214,7 +214,7 @@ static int ext2_link (struct dentry * old_dentry, struct inode * dir, return err; } -static int ext2_mkdir(struct inode * dir, struct dentry * dentry, int mode) +static int ext2_mkdir(struct inode * dir, struct dentry * dentry, umode_t mode) { struct inode * inode; int err = -EMLINK; diff --git a/fs/ext2/super.c b/fs/ext2/super.c index bd8ac164a3bf..9b403f064ce0 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -173,7 +173,6 @@ static struct inode *ext2_alloc_inode(struct super_block *sb) static void ext2_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(ext2_inode_cachep, EXT2_I(inode)); } @@ -211,9 +210,9 @@ static void destroy_inodecache(void) kmem_cache_destroy(ext2_inode_cachep); } -static int ext2_show_options(struct seq_file *seq, struct vfsmount *vfs) +static int ext2_show_options(struct seq_file *seq, struct dentry *root) { - struct super_block *sb = vfs->mnt_sb; + struct super_block *sb = root->d_sb; struct ext2_sb_info *sbi = EXT2_SB(sb); struct ext2_super_block *es = sbi->s_es; unsigned long def_mount_opts; diff --git a/fs/ext3/ialloc.c b/fs/ext3/ialloc.c index 5c866e06e7ab..92cc86dfa23d 100644 --- a/fs/ext3/ialloc.c +++ b/fs/ext3/ialloc.c @@ -371,7 +371,7 @@ static int find_group_other(struct super_block *sb, struct inode *parent) * group to find a free inode. */ struct inode *ext3_new_inode(handle_t *handle, struct inode * dir, - const struct qstr *qstr, int mode) + const struct qstr *qstr, umode_t mode) { struct super_block *sb; struct buffer_head *bitmap_bh = NULL; diff --git a/fs/ext3/ioctl.c b/fs/ext3/ioctl.c index ba1b54e23cae..8e37c41a071b 100644 --- a/fs/ext3/ioctl.c +++ b/fs/ext3/ioctl.c @@ -44,7 +44,7 @@ long ext3_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) if (get_user(flags, (int __user *) arg)) return -EFAULT; - err = mnt_want_write(filp->f_path.mnt); + err = mnt_want_write_file(filp); if (err) return err; @@ -110,7 +110,7 @@ flags_err: err = ext3_change_inode_journal_flag(inode, jflag); flags_out: mutex_unlock(&inode->i_mutex); - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); return err; } case EXT3_IOC_GETVERSION: @@ -126,7 +126,7 @@ flags_out: if (!inode_owner_or_capable(inode)) return -EPERM; - err = mnt_want_write(filp->f_path.mnt); + err = mnt_want_write_file(filp); if (err) return err; if (get_user(generation, (int __user *) arg)) { @@ -147,7 +147,7 @@ flags_out: } ext3_journal_stop(handle); setversion_out: - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); return err; } case EXT3_IOC_GETRSVSZ: @@ -164,7 +164,7 @@ setversion_out: if (!test_opt(inode->i_sb, RESERVATION) ||!S_ISREG(inode->i_mode)) return -ENOTTY; - err = mnt_want_write(filp->f_path.mnt); + err = mnt_want_write_file(filp); if (err) return err; @@ -195,7 +195,7 @@ setversion_out: } mutex_unlock(&ei->truncate_mutex); setrsvsz_out: - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); return err; } case EXT3_IOC_GROUP_EXTEND: { @@ -206,7 +206,7 @@ setrsvsz_out: if (!capable(CAP_SYS_RESOURCE)) return -EPERM; - err = mnt_want_write(filp->f_path.mnt); + err = mnt_want_write_file(filp); if (err) return err; @@ -221,7 +221,7 @@ setrsvsz_out: if (err == 0) err = err2; group_extend_out: - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); return err; } case EXT3_IOC_GROUP_ADD: { @@ -232,7 +232,7 @@ group_extend_out: if (!capable(CAP_SYS_RESOURCE)) return -EPERM; - err = mnt_want_write(filp->f_path.mnt); + err = mnt_want_write_file(filp); if (err) return err; @@ -249,7 +249,7 @@ group_extend_out: if (err == 0) err = err2; group_add_out: - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); return err; } case FITRIM: { diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c index 642dc6d66dfd..4f35b2f315d4 100644 --- a/fs/ext3/namei.c +++ b/fs/ext3/namei.c @@ -1698,7 +1698,7 @@ static int ext3_add_nondir(handle_t *handle, * If the create succeeds, we fill in the inode information * with d_instantiate(). */ -static int ext3_create (struct inode * dir, struct dentry * dentry, int mode, +static int ext3_create (struct inode * dir, struct dentry * dentry, umode_t mode, struct nameidata *nd) { handle_t *handle; @@ -1732,7 +1732,7 @@ retry: } static int ext3_mknod (struct inode * dir, struct dentry *dentry, - int mode, dev_t rdev) + umode_t mode, dev_t rdev) { handle_t *handle; struct inode *inode; @@ -1768,7 +1768,7 @@ retry: return err; } -static int ext3_mkdir(struct inode * dir, struct dentry * dentry, int mode) +static int ext3_mkdir(struct inode * dir, struct dentry * dentry, umode_t mode) { handle_t *handle; struct inode * inode; diff --git a/fs/ext3/super.c b/fs/ext3/super.c index 922d289aeeb3..3a10b884e1be 100644 --- a/fs/ext3/super.c +++ b/fs/ext3/super.c @@ -511,7 +511,6 @@ static int ext3_drop_inode(struct inode *inode) static void ext3_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(ext3_inode_cachep, EXT3_I(inode)); } @@ -611,9 +610,9 @@ static char *data_mode_string(unsigned long mode) * - it's set to a non-default value OR * - if the per-sb default is different from the global default */ -static int ext3_show_options(struct seq_file *seq, struct vfsmount *vfs) +static int ext3_show_options(struct seq_file *seq, struct dentry *root) { - struct super_block *sb = vfs->mnt_sb; + struct super_block *sb = root->d_sb; struct ext3_sb_info *sbi = EXT3_SB(sb); struct ext3_super_block *es = sbi->s_es; unsigned long def_mount_opts; @@ -2910,7 +2909,7 @@ static int ext3_quota_on(struct super_block *sb, int type, int format_id, return -EINVAL; /* Quotafile not on the same filesystem? */ - if (path->mnt->mnt_sb != sb) + if (path->dentry->d_sb != sb) return -EXDEV; /* Journaling quota? */ if (EXT3_SB(sb)->s_qf_names[type]) { diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 5b0e26a1272d..1554b15f91bc 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -1819,7 +1819,7 @@ extern int ext4fs_dirhash(const char *name, int len, struct dx_hash_info *hinfo); /* ialloc.c */ -extern struct inode *ext4_new_inode(handle_t *, struct inode *, int, +extern struct inode *ext4_new_inode(handle_t *, struct inode *, umode_t, const struct qstr *qstr, __u32 goal, uid_t *owner); extern void ext4_free_inode(handle_t *, struct inode *); diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index 00beb4f9cc4f..4637af036d9c 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -351,7 +351,7 @@ static void get_orlov_stats(struct super_block *sb, ext4_group_t g, */ static int find_group_orlov(struct super_block *sb, struct inode *parent, - ext4_group_t *group, int mode, + ext4_group_t *group, umode_t mode, const struct qstr *qstr) { ext4_group_t parent_group = EXT4_I(parent)->i_block_group; @@ -497,7 +497,7 @@ fallback_retry: } static int find_group_other(struct super_block *sb, struct inode *parent, - ext4_group_t *group, int mode) + ext4_group_t *group, umode_t mode) { ext4_group_t parent_group = EXT4_I(parent)->i_block_group; ext4_group_t i, last, ngroups = ext4_get_groups_count(sb); @@ -602,7 +602,7 @@ static int find_group_other(struct super_block *sb, struct inode *parent, */ static int ext4_claim_inode(struct super_block *sb, struct buffer_head *inode_bitmap_bh, - unsigned long ino, ext4_group_t group, int mode) + unsigned long ino, ext4_group_t group, umode_t mode) { int free = 0, retval = 0, count; struct ext4_sb_info *sbi = EXT4_SB(sb); @@ -690,7 +690,7 @@ err_ret: * For other inodes, search forward from the parent directory's block * group to find a free inode. */ -struct inode *ext4_new_inode(handle_t *handle, struct inode *dir, int mode, +struct inode *ext4_new_inode(handle_t *handle, struct inode *dir, umode_t mode, const struct qstr *qstr, __u32 goal, uid_t *owner) { struct super_block *sb; diff --git a/fs/ext4/ioctl.c b/fs/ext4/ioctl.c index a56796814d6a..d37b3bb2a3b8 100644 --- a/fs/ext4/ioctl.c +++ b/fs/ext4/ioctl.c @@ -45,7 +45,7 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) if (get_user(flags, (int __user *) arg)) return -EFAULT; - err = mnt_want_write(filp->f_path.mnt); + err = mnt_want_write_file(filp); if (err) return err; @@ -134,7 +134,7 @@ flags_err: err = ext4_ext_migrate(inode); flags_out: mutex_unlock(&inode->i_mutex); - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); return err; } case EXT4_IOC_GETVERSION: @@ -150,7 +150,7 @@ flags_out: if (!inode_owner_or_capable(inode)) return -EPERM; - err = mnt_want_write(filp->f_path.mnt); + err = mnt_want_write_file(filp); if (err) return err; if (get_user(generation, (int __user *) arg)) { @@ -171,7 +171,7 @@ flags_out: } ext4_journal_stop(handle); setversion_out: - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); return err; } case EXT4_IOC_GROUP_EXTEND: { @@ -192,7 +192,7 @@ setversion_out: return -EOPNOTSUPP; } - err = mnt_want_write(filp->f_path.mnt); + err = mnt_want_write_file(filp); if (err) return err; @@ -204,7 +204,7 @@ setversion_out: } if (err == 0) err = err2; - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); ext4_resize_end(sb); return err; @@ -240,13 +240,13 @@ setversion_out: return -EOPNOTSUPP; } - err = mnt_want_write(filp->f_path.mnt); + err = mnt_want_write_file(filp); if (err) goto mext_out; err = ext4_move_extents(filp, donor_filp, me.orig_start, me.donor_start, me.len, &me.moved_len); - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); if (me.moved_len > 0) file_remove_suid(donor_filp); @@ -277,7 +277,7 @@ mext_out: return -EOPNOTSUPP; } - err = mnt_want_write(filp->f_path.mnt); + err = mnt_want_write_file(filp); if (err) return err; @@ -289,7 +289,7 @@ mext_out: } if (err == 0) err = err2; - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); ext4_resize_end(sb); return err; @@ -301,7 +301,7 @@ mext_out: if (!inode_owner_or_capable(inode)) return -EACCES; - err = mnt_want_write(filp->f_path.mnt); + err = mnt_want_write_file(filp); if (err) return err; /* @@ -313,7 +313,7 @@ mext_out: mutex_lock(&(inode->i_mutex)); err = ext4_ext_migrate(inode); mutex_unlock(&(inode->i_mutex)); - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); return err; } @@ -323,11 +323,11 @@ mext_out: if (!inode_owner_or_capable(inode)) return -EACCES; - err = mnt_want_write(filp->f_path.mnt); + err = mnt_want_write_file(filp); if (err) return err; err = ext4_alloc_da_blocks(inode); - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); return err; } diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index aa4c782c9dd7..86edc45b52a4 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -1736,7 +1736,7 @@ static int ext4_add_nondir(handle_t *handle, * If the create succeeds, we fill in the inode information * with d_instantiate(). */ -static int ext4_create(struct inode *dir, struct dentry *dentry, int mode, +static int ext4_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { handle_t *handle; @@ -1770,7 +1770,7 @@ retry: } static int ext4_mknod(struct inode *dir, struct dentry *dentry, - int mode, dev_t rdev) + umode_t mode, dev_t rdev) { handle_t *handle; struct inode *inode; @@ -1806,7 +1806,7 @@ retry: return err; } -static int ext4_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int ext4_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { handle_t *handle; struct inode *inode; diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 3e1329e2f826..6733b3736b3b 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -930,7 +930,6 @@ static int ext4_drop_inode(struct inode *inode) static void ext4_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(ext4_inode_cachep, EXT4_I(inode)); } @@ -1033,11 +1032,11 @@ static inline void ext4_show_quota_options(struct seq_file *seq, * - it's set to a non-default value OR * - if the per-sb default is different from the global default */ -static int ext4_show_options(struct seq_file *seq, struct vfsmount *vfs) +static int ext4_show_options(struct seq_file *seq, struct dentry *root) { int def_errors; unsigned long def_mount_opts; - struct super_block *sb = vfs->mnt_sb; + struct super_block *sb = root->d_sb; struct ext4_sb_info *sbi = EXT4_SB(sb); struct ext4_super_block *es = sbi->s_es; @@ -4782,7 +4781,7 @@ static int ext4_quota_on(struct super_block *sb, int type, int format_id, return -EINVAL; /* Quotafile not on the same filesystem? */ - if (path->mnt->mnt_sb != sb) + if (path->dentry->d_sb != sb) return -EXDEV; /* Journaling quota? */ if (EXT4_SB(sb)->s_qf_names[type]) { diff --git a/fs/fat/fat.h b/fs/fat/fat.h index 1510a4d51990..66994f316e18 100644 --- a/fs/fat/fat.h +++ b/fs/fat/fat.h @@ -141,7 +141,7 @@ static inline struct msdos_inode_info *MSDOS_I(struct inode *inode) static inline int fat_mode_can_hold_ro(struct inode *inode) { struct msdos_sb_info *sbi = MSDOS_SB(inode->i_sb); - mode_t mask; + umode_t mask; if (S_ISDIR(inode->i_mode)) { if (!sbi->options.rodir) @@ -156,8 +156,8 @@ static inline int fat_mode_can_hold_ro(struct inode *inode) } /* Convert attribute bits and a mask to the UNIX mode. */ -static inline mode_t fat_make_mode(struct msdos_sb_info *sbi, - u8 attrs, mode_t mode) +static inline umode_t fat_make_mode(struct msdos_sb_info *sbi, + u8 attrs, umode_t mode) { if (attrs & ATTR_RO && !((attrs & ATTR_DIR) && !sbi->options.rodir)) mode &= ~S_IWUGO; diff --git a/fs/fat/file.c b/fs/fat/file.c index c118acf16e43..a71fe3715ee8 100644 --- a/fs/fat/file.c +++ b/fs/fat/file.c @@ -44,7 +44,7 @@ static int fat_ioctl_set_attributes(struct file *file, u32 __user *user_attr) goto out; mutex_lock(&inode->i_mutex); - err = mnt_want_write(file->f_path.mnt); + err = mnt_want_write_file(file); if (err) goto out_unlock_inode; @@ -108,7 +108,7 @@ static int fat_ioctl_set_attributes(struct file *file, u32 __user *user_attr) fat_save_attrs(inode, attr); mark_inode_dirty(inode); out_drop_write: - mnt_drop_write(file->f_path.mnt); + mnt_drop_write_file(file); out_unlock_inode: mutex_unlock(&inode->i_mutex); out: @@ -314,7 +314,7 @@ EXPORT_SYMBOL_GPL(fat_getattr); static int fat_sanitize_mode(const struct msdos_sb_info *sbi, struct inode *inode, umode_t *mode_ptr) { - mode_t mask, perm; + umode_t mask, perm; /* * Note, the basic check is already done by a caller of @@ -351,7 +351,7 @@ static int fat_sanitize_mode(const struct msdos_sb_info *sbi, static int fat_allow_set_time(struct msdos_sb_info *sbi, struct inode *inode) { - mode_t allow_utime = sbi->options.allow_utime; + umode_t allow_utime = sbi->options.allow_utime; if (current_fsuid() != inode->i_uid) { if (in_group_p(inode->i_gid)) diff --git a/fs/fat/inode.c b/fs/fat/inode.c index 808cac7edcfb..7873797cc76a 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -518,7 +518,6 @@ static struct inode *fat_alloc_inode(struct super_block *sb) static void fat_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(fat_inode_cachep, MSDOS_I(inode)); } @@ -672,7 +671,7 @@ int fat_sync_inode(struct inode *inode) EXPORT_SYMBOL_GPL(fat_sync_inode); -static int fat_show_options(struct seq_file *m, struct vfsmount *mnt); +static int fat_show_options(struct seq_file *m, struct dentry *root); static const struct super_operations fat_sops = { .alloc_inode = fat_alloc_inode, .destroy_inode = fat_destroy_inode, @@ -811,9 +810,9 @@ static const struct export_operations fat_export_ops = { .get_parent = fat_get_parent, }; -static int fat_show_options(struct seq_file *m, struct vfsmount *mnt) +static int fat_show_options(struct seq_file *m, struct dentry *root) { - struct msdos_sb_info *sbi = MSDOS_SB(mnt->mnt_sb); + struct msdos_sb_info *sbi = MSDOS_SB(root->d_sb); struct fat_mount_options *opts = &sbi->options; int isvfat = opts->isvfat; diff --git a/fs/fat/namei_msdos.c b/fs/fat/namei_msdos.c index 216b419f30e2..c5938c9084b9 100644 --- a/fs/fat/namei_msdos.c +++ b/fs/fat/namei_msdos.c @@ -264,7 +264,7 @@ static int msdos_add_entry(struct inode *dir, const unsigned char *name, } /***** Create a file */ -static int msdos_create(struct inode *dir, struct dentry *dentry, int mode, +static int msdos_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { struct super_block *sb = dir->i_sb; @@ -346,7 +346,7 @@ out: } /***** Make a directory */ -static int msdos_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int msdos_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { struct super_block *sb = dir->i_sb; struct fat_slot_info sinfo; diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c index a87a65663c25..3a444b4e2368 100644 --- a/fs/fat/namei_vfat.c +++ b/fs/fat/namei_vfat.c @@ -781,7 +781,7 @@ error: return ERR_PTR(err); } -static int vfat_create(struct inode *dir, struct dentry *dentry, int mode, +static int vfat_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { struct super_block *sb = dir->i_sb; @@ -870,7 +870,7 @@ out: return err; } -static int vfat_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int vfat_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { struct super_block *sb = dir->i_sb; struct inode *inode; diff --git a/fs/fhandle.c b/fs/fhandle.c index 6b088641f5bf..a48e4a139be1 100644 --- a/fs/fhandle.c +++ b/fs/fhandle.c @@ -10,6 +10,7 @@ #include <linux/personality.h> #include <asm/uaccess.h> #include "internal.h" +#include "mount.h" static long do_sys_name_to_handle(struct path *path, struct file_handle __user *ufh, @@ -24,8 +25,8 @@ static long do_sys_name_to_handle(struct path *path, * We need t make sure wether the file system * support decoding of the file handle */ - if (!path->mnt->mnt_sb->s_export_op || - !path->mnt->mnt_sb->s_export_op->fh_to_dentry) + if (!path->dentry->d_sb->s_export_op || + !path->dentry->d_sb->s_export_op->fh_to_dentry) return -EOPNOTSUPP; if (copy_from_user(&f_handle, ufh, sizeof(struct file_handle))) @@ -66,7 +67,8 @@ static long do_sys_name_to_handle(struct path *path, } else retval = 0; /* copy the mount id */ - if (copy_to_user(mnt_id, &path->mnt->mnt_id, sizeof(*mnt_id)) || + if (copy_to_user(mnt_id, &real_mount(path->mnt)->mnt_id, + sizeof(*mnt_id)) || copy_to_user(ufh, handle, sizeof(struct file_handle) + handle_bytes)) retval = -EFAULT; diff --git a/fs/file_table.c b/fs/file_table.c index c322794f7360..20002e39754d 100644 --- a/fs/file_table.c +++ b/fs/file_table.c @@ -474,29 +474,6 @@ void file_sb_list_del(struct file *file) #endif -int fs_may_remount_ro(struct super_block *sb) -{ - struct file *file; - /* Check that no files are currently opened for writing. */ - lg_global_lock(files_lglock); - do_file_list_for_each_entry(sb, file) { - struct inode *inode = file->f_path.dentry->d_inode; - - /* File with pending delete? */ - if (inode->i_nlink == 0) - goto too_bad; - - /* Writeable file? */ - if (S_ISREG(inode->i_mode) && (file->f_mode & FMODE_WRITE)) - goto too_bad; - } while_file_list_for_each_entry; - lg_global_unlock(files_lglock); - return 1; /* Tis' cool bro. */ -too_bad: - lg_global_unlock(files_lglock); - return 0; -} - /** * mark_files_ro - mark all files read-only * @sb: superblock in question diff --git a/fs/filesystems.c b/fs/filesystems.c index 0845f84f2a5f..96f24286667a 100644 --- a/fs/filesystems.c +++ b/fs/filesystems.c @@ -74,7 +74,6 @@ int register_filesystem(struct file_system_type * fs) BUG_ON(strchr(fs->name, '.')); if (fs->next) return -EBUSY; - INIT_LIST_HEAD(&fs->fs_supers); write_lock(&file_systems_lock); p = find_filesystem(fs->name, strlen(fs->name)); if (*p) diff --git a/fs/freevxfs/vxfs_inode.c b/fs/freevxfs/vxfs_inode.c index 7b2af5abe2fa..cf9ef918a2a9 100644 --- a/fs/freevxfs/vxfs_inode.c +++ b/fs/freevxfs/vxfs_inode.c @@ -187,10 +187,10 @@ vxfs_stiget(struct super_block *sbp, ino_t ino) * vxfs_transmod returns a Linux mode_t for a given * VxFS inode structure. */ -static __inline__ mode_t +static __inline__ umode_t vxfs_transmod(struct vxfs_inode_info *vip) { - mode_t ret = vip->vii_mode & ~VXFS_TYPE_MASK; + umode_t ret = vip->vii_mode & ~VXFS_TYPE_MASK; if (VXFS_ISFIFO(vip)) ret |= S_IFIFO; @@ -340,7 +340,6 @@ vxfs_iget(struct super_block *sbp, ino_t ino) static void vxfs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(vxfs_inode_cachep, inode->i_private); } diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 517f211a3bd4..80a4574028f1 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -25,7 +25,6 @@ #include <linux/writeback.h> #include <linux/blkdev.h> #include <linux/backing-dev.h> -#include <linux/buffer_head.h> #include <linux/tracepoint.h> #include "internal.h" diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index 9f63e493a9b6..5ddd6ea8f839 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -369,8 +369,8 @@ static struct dentry *fuse_lookup(struct inode *dir, struct dentry *entry, * If the filesystem doesn't support this, then fall back to separate * 'mknod' + 'open' requests. */ -static int fuse_create_open(struct inode *dir, struct dentry *entry, int mode, - struct nameidata *nd) +static int fuse_create_open(struct inode *dir, struct dentry *entry, + umode_t mode, struct nameidata *nd) { int err; struct inode *inode; @@ -480,7 +480,7 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry, int mode, */ static int create_new_entry(struct fuse_conn *fc, struct fuse_req *req, struct inode *dir, struct dentry *entry, - int mode) + umode_t mode) { struct fuse_entry_out outarg; struct inode *inode; @@ -547,7 +547,7 @@ static int create_new_entry(struct fuse_conn *fc, struct fuse_req *req, return err; } -static int fuse_mknod(struct inode *dir, struct dentry *entry, int mode, +static int fuse_mknod(struct inode *dir, struct dentry *entry, umode_t mode, dev_t rdev) { struct fuse_mknod_in inarg; @@ -573,7 +573,7 @@ static int fuse_mknod(struct inode *dir, struct dentry *entry, int mode, return create_new_entry(fc, req, dir, entry, mode); } -static int fuse_create(struct inode *dir, struct dentry *entry, int mode, +static int fuse_create(struct inode *dir, struct dentry *entry, umode_t mode, struct nameidata *nd) { if (nd) { @@ -585,7 +585,7 @@ static int fuse_create(struct inode *dir, struct dentry *entry, int mode, return fuse_mknod(dir, entry, mode, 0); } -static int fuse_mkdir(struct inode *dir, struct dentry *entry, int mode) +static int fuse_mkdir(struct inode *dir, struct dentry *entry, umode_t mode) { struct fuse_mkdir_in inarg; struct fuse_conn *fc = get_fuse_conn(dir); diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index cf6db0a93219..1964da0257d9 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -80,7 +80,7 @@ struct fuse_inode { /** The sticky bit in inode->i_mode may have been removed, so preserve the original mode */ - mode_t orig_i_mode; + umode_t orig_i_mode; /** Version of last attribute change */ u64 attr_version; diff --git a/fs/fuse/inode.c b/fs/fuse/inode.c index aa83109b9431..64cf8d07393e 100644 --- a/fs/fuse/inode.c +++ b/fs/fuse/inode.c @@ -107,7 +107,6 @@ static struct inode *fuse_alloc_inode(struct super_block *sb) static void fuse_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(fuse_inode_cachep, inode); } @@ -498,9 +497,10 @@ static int parse_fuse_opt(char *opt, struct fuse_mount_data *d, int is_bdev) return 1; } -static int fuse_show_options(struct seq_file *m, struct vfsmount *mnt) +static int fuse_show_options(struct seq_file *m, struct dentry *root) { - struct fuse_conn *fc = get_fuse_conn_super(mnt->mnt_sb); + struct super_block *sb = root->d_sb; + struct fuse_conn *fc = get_fuse_conn_super(sb); seq_printf(m, ",user_id=%u", fc->user_id); seq_printf(m, ",group_id=%u", fc->group_id); @@ -510,9 +510,8 @@ static int fuse_show_options(struct seq_file *m, struct vfsmount *mnt) seq_puts(m, ",allow_other"); if (fc->max_read != ~0) seq_printf(m, ",max_read=%u", fc->max_read); - if (mnt->mnt_sb->s_bdev && - mnt->mnt_sb->s_blocksize != FUSE_DEFAULT_BLKSIZE) - seq_printf(m, ",blksize=%lu", mnt->mnt_sb->s_blocksize); + if (sb->s_bdev && sb->s_blocksize != FUSE_DEFAULT_BLKSIZE) + seq_printf(m, ",blksize=%lu", sb->s_blocksize); return 0; } diff --git a/fs/gfs2/file.c b/fs/gfs2/file.c index ce36a56dfeac..b8927d4f3bf2 100644 --- a/fs/gfs2/file.c +++ b/fs/gfs2/file.c @@ -223,7 +223,7 @@ static int do_gfs2_set_flags(struct file *filp, u32 reqflags, u32 mask) int error; u32 new_flags, flags; - error = mnt_want_write(filp->f_path.mnt); + error = mnt_want_write_file(filp); if (error) return error; @@ -285,7 +285,7 @@ out_trans_end: out: gfs2_glock_dq_uninit(&gh); out_drop_write: - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); return error; } diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index cfd4959b218c..4b0e59e0a249 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -333,7 +333,7 @@ out: */ static int create_ok(struct gfs2_inode *dip, const struct qstr *name, - unsigned int mode) + umode_t mode) { int error; @@ -364,7 +364,7 @@ static int create_ok(struct gfs2_inode *dip, const struct qstr *name, return 0; } -static void munge_mode_uid_gid(struct gfs2_inode *dip, unsigned int *mode, +static void munge_mode_uid_gid(struct gfs2_inode *dip, umode_t *mode, unsigned int *uid, unsigned int *gid) { if (GFS2_SB(&dip->i_inode)->sd_args.ar_suiddir && @@ -447,7 +447,7 @@ static void gfs2_init_dir(struct buffer_head *dibh, */ static void init_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl, - const struct gfs2_inum_host *inum, unsigned int mode, + const struct gfs2_inum_host *inum, umode_t mode, unsigned int uid, unsigned int gid, const u64 *generation, dev_t dev, const char *symname, unsigned size, struct buffer_head **bhp) @@ -516,7 +516,7 @@ static void init_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl, } static int make_dinode(struct gfs2_inode *dip, struct gfs2_glock *gl, - unsigned int mode, const struct gfs2_inum_host *inum, + umode_t mode, const struct gfs2_inum_host *inum, const u64 *generation, dev_t dev, const char *symname, unsigned int size, struct buffer_head **bhp) { @@ -659,7 +659,7 @@ static int gfs2_security_init(struct gfs2_inode *dip, struct gfs2_inode *ip, */ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry, - unsigned int mode, dev_t dev, const char *symname, + umode_t mode, dev_t dev, const char *symname, unsigned int size, int excl) { const struct qstr *name = &dentry->d_name; @@ -760,7 +760,7 @@ fail: */ static int gfs2_create(struct inode *dir, struct dentry *dentry, - int mode, struct nameidata *nd) + umode_t mode, struct nameidata *nd) { int excl = 0; if (nd && (nd->flags & LOOKUP_EXCL)) @@ -1129,7 +1129,7 @@ static int gfs2_symlink(struct inode *dir, struct dentry *dentry, * Returns: errno */ -static int gfs2_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int gfs2_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { return gfs2_create_inode(dir, dentry, S_IFDIR | mode, 0, NULL, 0, 0); } @@ -1143,7 +1143,7 @@ static int gfs2_mkdir(struct inode *dir, struct dentry *dentry, int mode) * */ -static int gfs2_mknod(struct inode *dir, struct dentry *dentry, int mode, +static int gfs2_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) { return gfs2_create_inode(dir, dentry, mode, dev, NULL, 0, 0); diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c index 71e420989f77..10c7733a899b 100644 --- a/fs/gfs2/super.c +++ b/fs/gfs2/super.c @@ -1284,18 +1284,18 @@ static int is_ancestor(const struct dentry *d1, const struct dentry *d2) /** * gfs2_show_options - Show mount options for /proc/mounts * @s: seq_file structure - * @mnt: vfsmount + * @root: root of this (sub)tree * * Returns: 0 on success or error code */ -static int gfs2_show_options(struct seq_file *s, struct vfsmount *mnt) +static int gfs2_show_options(struct seq_file *s, struct dentry *root) { - struct gfs2_sbd *sdp = mnt->mnt_sb->s_fs_info; + struct gfs2_sbd *sdp = root->d_sb->s_fs_info; struct gfs2_args *args = &sdp->sd_args; int val; - if (is_ancestor(mnt->mnt_root, sdp->sd_master_dir)) + if (is_ancestor(root, sdp->sd_master_dir)) seq_printf(s, ",meta"); if (args->ar_lockproto[0]) seq_printf(s, ",lockproto=%s", args->ar_lockproto); @@ -1582,7 +1582,6 @@ static struct inode *gfs2_alloc_inode(struct super_block *sb) static void gfs2_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(gfs2_inode_cachep, inode); } diff --git a/fs/hfs/dir.c b/fs/hfs/dir.c index bce4eef91a06..62fc14ea4b73 100644 --- a/fs/hfs/dir.c +++ b/fs/hfs/dir.c @@ -186,7 +186,7 @@ static int hfs_dir_release(struct inode *inode, struct file *file) * a directory and return a corresponding inode, given the inode for * the directory and the name (and its length) of the new file. */ -static int hfs_create(struct inode *dir, struct dentry *dentry, int mode, +static int hfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { struct inode *inode; @@ -216,7 +216,7 @@ static int hfs_create(struct inode *dir, struct dentry *dentry, int mode, * in a directory, given the inode for the parent directory and the * name (and its length) of the new directory. */ -static int hfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int hfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { struct inode *inode; int res; diff --git a/fs/hfs/hfs_fs.h b/fs/hfs/hfs_fs.h index ad97c2d58287..1bf967c6bfdc 100644 --- a/fs/hfs/hfs_fs.h +++ b/fs/hfs/hfs_fs.h @@ -184,7 +184,7 @@ extern int hfs_get_block(struct inode *, sector_t, struct buffer_head *, int); extern const struct address_space_operations hfs_aops; extern const struct address_space_operations hfs_btree_aops; -extern struct inode *hfs_new_inode(struct inode *, struct qstr *, int); +extern struct inode *hfs_new_inode(struct inode *, struct qstr *, umode_t); extern void hfs_inode_write_fork(struct inode *, struct hfs_extent *, __be32 *, __be32 *); extern int hfs_write_inode(struct inode *, struct writeback_control *); extern int hfs_inode_setattr(struct dentry *, struct iattr *); diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c index a1a9fdcd2a00..737dbeb64320 100644 --- a/fs/hfs/inode.c +++ b/fs/hfs/inode.c @@ -169,7 +169,7 @@ const struct address_space_operations hfs_aops = { /* * hfs_new_inode */ -struct inode *hfs_new_inode(struct inode *dir, struct qstr *name, int mode) +struct inode *hfs_new_inode(struct inode *dir, struct qstr *name, umode_t mode) { struct super_block *sb = dir->i_sb; struct inode *inode = new_inode(sb); diff --git a/fs/hfs/super.c b/fs/hfs/super.c index 1b55f704fb22..8137fb3e6780 100644 --- a/fs/hfs/super.c +++ b/fs/hfs/super.c @@ -133,9 +133,9 @@ static int hfs_remount(struct super_block *sb, int *flags, char *data) return 0; } -static int hfs_show_options(struct seq_file *seq, struct vfsmount *mnt) +static int hfs_show_options(struct seq_file *seq, struct dentry *root) { - struct hfs_sb_info *sbi = HFS_SB(mnt->mnt_sb); + struct hfs_sb_info *sbi = HFS_SB(root->d_sb); if (sbi->s_creator != cpu_to_be32(0x3f3f3f3f)) seq_printf(seq, ",creator=%.4s", (char *)&sbi->s_creator); @@ -170,7 +170,6 @@ static struct inode *hfs_alloc_inode(struct super_block *sb) static void hfs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(hfs_inode_cachep, HFS_I(inode)); } diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c index 4536cd3f15ae..88e155f895c6 100644 --- a/fs/hfsplus/dir.c +++ b/fs/hfsplus/dir.c @@ -424,7 +424,7 @@ out: } static int hfsplus_mknod(struct inode *dir, struct dentry *dentry, - int mode, dev_t rdev) + umode_t mode, dev_t rdev) { struct hfsplus_sb_info *sbi = HFSPLUS_SB(dir->i_sb); struct inode *inode; @@ -453,13 +453,13 @@ out: return res; } -static int hfsplus_create(struct inode *dir, struct dentry *dentry, int mode, +static int hfsplus_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { return hfsplus_mknod(dir, dentry, mode, 0); } -static int hfsplus_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int hfsplus_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { return hfsplus_mknod(dir, dentry, mode | S_IFDIR, 0); } diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h index d7674d051f52..21a5b7fc6db4 100644 --- a/fs/hfsplus/hfsplus_fs.h +++ b/fs/hfsplus/hfsplus_fs.h @@ -402,7 +402,7 @@ void hfsplus_inode_read_fork(struct inode *, struct hfsplus_fork_raw *); void hfsplus_inode_write_fork(struct inode *, struct hfsplus_fork_raw *); int hfsplus_cat_read_inode(struct inode *, struct hfs_find_data *); int hfsplus_cat_write_inode(struct inode *); -struct inode *hfsplus_new_inode(struct super_block *, int); +struct inode *hfsplus_new_inode(struct super_block *, umode_t); void hfsplus_delete_inode(struct inode *); int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end, int datasync); @@ -419,7 +419,7 @@ ssize_t hfsplus_listxattr(struct dentry *dentry, char *buffer, size_t size); int hfsplus_parse_options(char *, struct hfsplus_sb_info *); int hfsplus_parse_options_remount(char *input, int *force); void hfsplus_fill_defaults(struct hfsplus_sb_info *); -int hfsplus_show_options(struct seq_file *, struct vfsmount *); +int hfsplus_show_options(struct seq_file *, struct dentry *); /* super.c */ struct inode *hfsplus_iget(struct super_block *, unsigned long); diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c index 40e1413be4cf..6643b242bdd7 100644 --- a/fs/hfsplus/inode.c +++ b/fs/hfsplus/inode.c @@ -378,7 +378,7 @@ static const struct file_operations hfsplus_file_operations = { .unlocked_ioctl = hfsplus_ioctl, }; -struct inode *hfsplus_new_inode(struct super_block *sb, int mode) +struct inode *hfsplus_new_inode(struct super_block *sb, umode_t mode) { struct hfsplus_sb_info *sbi = HFSPLUS_SB(sb); struct inode *inode = new_inode(sb); diff --git a/fs/hfsplus/ioctl.c b/fs/hfsplus/ioctl.c index fbaa6690c8e0..f66c7655b3f7 100644 --- a/fs/hfsplus/ioctl.c +++ b/fs/hfsplus/ioctl.c @@ -43,7 +43,7 @@ static int hfsplus_ioctl_setflags(struct file *file, int __user *user_flags) unsigned int flags; int err = 0; - err = mnt_want_write(file->f_path.mnt); + err = mnt_want_write_file(file); if (err) goto out; @@ -94,7 +94,7 @@ static int hfsplus_ioctl_setflags(struct file *file, int __user *user_flags) out_unlock_inode: mutex_unlock(&inode->i_mutex); out_drop_write: - mnt_drop_write(file->f_path.mnt); + mnt_drop_write_file(file); out: return err; } diff --git a/fs/hfsplus/options.c b/fs/hfsplus/options.c index bb62a5882147..06fa5618600c 100644 --- a/fs/hfsplus/options.c +++ b/fs/hfsplus/options.c @@ -206,9 +206,9 @@ done: return 1; } -int hfsplus_show_options(struct seq_file *seq, struct vfsmount *mnt) +int hfsplus_show_options(struct seq_file *seq, struct dentry *root) { - struct hfsplus_sb_info *sbi = HFSPLUS_SB(mnt->mnt_sb); + struct hfsplus_sb_info *sbi = HFSPLUS_SB(root->d_sb); if (sbi->creator != HFSPLUS_DEF_CR_TYPE) seq_printf(seq, ",creator=%.4s", (char *)&sbi->creator); diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c index d24a9b666a23..edf0a801446b 100644 --- a/fs/hfsplus/super.c +++ b/fs/hfsplus/super.c @@ -558,7 +558,6 @@ static void hfsplus_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(hfsplus_inode_cachep, HFSPLUS_I(inode)); } diff --git a/fs/hostfs/hostfs.h b/fs/hostfs/hostfs.h index bf15a43016b9..3cbfa93cd782 100644 --- a/fs/hostfs/hostfs.h +++ b/fs/hostfs/hostfs.h @@ -39,7 +39,7 @@ struct hostfs_iattr { unsigned int ia_valid; - mode_t ia_mode; + unsigned short ia_mode; uid_t ia_uid; gid_t ia_gid; loff_t ia_size; diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c index 2f72da5ae686..e130bd46d671 100644 --- a/fs/hostfs/hostfs_kern.c +++ b/fs/hostfs/hostfs_kern.c @@ -250,7 +250,6 @@ static void hostfs_evict_inode(struct inode *inode) static void hostfs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kfree(HOSTFS_I(inode)); } @@ -259,9 +258,9 @@ static void hostfs_destroy_inode(struct inode *inode) call_rcu(&inode->i_rcu, hostfs_i_callback); } -static int hostfs_show_options(struct seq_file *seq, struct vfsmount *vfs) +static int hostfs_show_options(struct seq_file *seq, struct dentry *root) { - const char *root_path = vfs->mnt_sb->s_fs_info; + const char *root_path = root->d_sb->s_fs_info; size_t offset = strlen(root_ino) + 1; if (strlen(root_path) > offset) @@ -552,7 +551,7 @@ static int read_name(struct inode *ino, char *name) return 0; } -int hostfs_create(struct inode *dir, struct dentry *dentry, int mode, +int hostfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { struct inode *inode; @@ -677,7 +676,7 @@ int hostfs_symlink(struct inode *ino, struct dentry *dentry, const char *to) return err; } -int hostfs_mkdir(struct inode *ino, struct dentry *dentry, int mode) +int hostfs_mkdir(struct inode *ino, struct dentry *dentry, umode_t mode) { char *file; int err; @@ -701,7 +700,7 @@ int hostfs_rmdir(struct inode *ino, struct dentry *dentry) return err; } -int hostfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) +static int hostfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) { struct inode *inode; char *name; diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c index ea91fcb0ef9b..30dd7b10b507 100644 --- a/fs/hpfs/namei.c +++ b/fs/hpfs/namei.c @@ -8,7 +8,7 @@ #include <linux/sched.h> #include "hpfs_fn.h" -static int hpfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int hpfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { const unsigned char *name = dentry->d_name.name; unsigned len = dentry->d_name.len; @@ -115,7 +115,7 @@ bail: return err; } -static int hpfs_create(struct inode *dir, struct dentry *dentry, int mode, struct nameidata *nd) +static int hpfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { const unsigned char *name = dentry->d_name.name; unsigned len = dentry->d_name.len; @@ -201,7 +201,7 @@ bail: return err; } -static int hpfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev) +static int hpfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rdev) { const unsigned char *name = dentry->d_name.name; unsigned len = dentry->d_name.len; diff --git a/fs/hpfs/super.c b/fs/hpfs/super.c index 98580a3b5005..3690467c944e 100644 --- a/fs/hpfs/super.c +++ b/fs/hpfs/super.c @@ -181,7 +181,6 @@ static struct inode *hpfs_alloc_inode(struct super_block *sb) static void hpfs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(hpfs_inode_cachep, hpfs_i(inode)); } diff --git a/fs/hppfs/hppfs.c b/fs/hppfs/hppfs.c index f590b1160c6c..d92f4ce80925 100644 --- a/fs/hppfs/hppfs.c +++ b/fs/hppfs/hppfs.c @@ -622,7 +622,6 @@ void hppfs_evict_inode(struct inode *ino) static void hppfs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kfree(HPPFS_I(inode)); } @@ -726,7 +725,7 @@ static int hppfs_fill_super(struct super_block *sb, void *d, int silent) sb->s_fs_info = proc_mnt; err = -ENOMEM; - root_inode = get_inode(sb, dget(proc_mnt->mnt_sb->s_root)); + root_inode = get_inode(sb, dget(proc_mnt->mnt_root)); if (!root_inode) goto out_mntput; diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 0be5a78598d0..e425ad9d0490 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -447,8 +447,8 @@ static int hugetlbfs_setattr(struct dentry *dentry, struct iattr *attr) return 0; } -static struct inode *hugetlbfs_get_inode(struct super_block *sb, uid_t uid, - gid_t gid, int mode, dev_t dev) +static struct inode *hugetlbfs_get_root(struct super_block *sb, + struct hugetlbfs_config *config) { struct inode *inode; @@ -456,9 +456,31 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb, uid_t uid, if (inode) { struct hugetlbfs_inode_info *info; inode->i_ino = get_next_ino(); - inode->i_mode = mode; - inode->i_uid = uid; - inode->i_gid = gid; + inode->i_mode = S_IFDIR | config->mode; + inode->i_uid = config->uid; + inode->i_gid = config->gid; + inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; + info = HUGETLBFS_I(inode); + mpol_shared_policy_init(&info->policy, NULL); + inode->i_op = &hugetlbfs_dir_inode_operations; + inode->i_fop = &simple_dir_operations; + /* directory inodes start off with i_nlink == 2 (for "." entry) */ + inc_nlink(inode); + } + return inode; +} + +static struct inode *hugetlbfs_get_inode(struct super_block *sb, + struct inode *dir, + umode_t mode, dev_t dev) +{ + struct inode *inode; + + inode = new_inode(sb); + if (inode) { + struct hugetlbfs_inode_info *info; + inode->i_ino = get_next_ino(); + inode_init_owner(inode, dir, mode); inode->i_mapping->a_ops = &hugetlbfs_aops; inode->i_mapping->backing_dev_info =&hugetlbfs_backing_dev_info; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; @@ -500,20 +522,12 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb, uid_t uid, * File creation. Allocate an inode, and we're done.. */ static int hugetlbfs_mknod(struct inode *dir, - struct dentry *dentry, int mode, dev_t dev) + struct dentry *dentry, umode_t mode, dev_t dev) { struct inode *inode; int error = -ENOSPC; - gid_t gid; - - if (dir->i_mode & S_ISGID) { - gid = dir->i_gid; - if (S_ISDIR(mode)) - mode |= S_ISGID; - } else { - gid = current_fsgid(); - } - inode = hugetlbfs_get_inode(dir->i_sb, current_fsuid(), gid, mode, dev); + + inode = hugetlbfs_get_inode(dir->i_sb, dir, mode, dev); if (inode) { dir->i_ctime = dir->i_mtime = CURRENT_TIME; d_instantiate(dentry, inode); @@ -523,7 +537,7 @@ static int hugetlbfs_mknod(struct inode *dir, return error; } -static int hugetlbfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int hugetlbfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { int retval = hugetlbfs_mknod(dir, dentry, mode | S_IFDIR, 0); if (!retval) @@ -531,7 +545,7 @@ static int hugetlbfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) return retval; } -static int hugetlbfs_create(struct inode *dir, struct dentry *dentry, int mode, struct nameidata *nd) +static int hugetlbfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { return hugetlbfs_mknod(dir, dentry, mode | S_IFREG, 0); } @@ -541,15 +555,8 @@ static int hugetlbfs_symlink(struct inode *dir, { struct inode *inode; int error = -ENOSPC; - gid_t gid; - - if (dir->i_mode & S_ISGID) - gid = dir->i_gid; - else - gid = current_fsgid(); - inode = hugetlbfs_get_inode(dir->i_sb, current_fsuid(), - gid, S_IFLNK|S_IRWXUGO, 0); + inode = hugetlbfs_get_inode(dir->i_sb, dir, S_IFLNK|S_IRWXUGO, 0); if (inode) { int l = strlen(symname)+1; error = page_symlink(inode, symname, l); @@ -666,7 +673,6 @@ static struct inode *hugetlbfs_alloc_inode(struct super_block *sb) static void hugetlbfs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(hugetlbfs_inode_cachep, HUGETLBFS_I(inode)); } @@ -858,8 +864,7 @@ hugetlbfs_fill_super(struct super_block *sb, void *data, int silent) sb->s_magic = HUGETLBFS_MAGIC; sb->s_op = &hugetlbfs_ops; sb->s_time_gran = 1; - inode = hugetlbfs_get_inode(sb, config.uid, config.gid, - S_IFDIR | config.mode, 0); + inode = hugetlbfs_get_root(sb, &config); if (!inode) goto out_free; @@ -957,8 +962,7 @@ struct file *hugetlb_file_setup(const char *name, size_t size, path.mnt = mntget(hugetlbfs_vfsmount); error = -ENOSPC; - inode = hugetlbfs_get_inode(root->d_sb, current_fsuid(), - current_fsgid(), S_IFREG | S_IRWXUGO, 0); + inode = hugetlbfs_get_inode(root->d_sb, NULL, S_IFREG | S_IRWXUGO, 0); if (!inode) goto out_dentry; diff --git a/fs/inode.c b/fs/inode.c index ee4e66b998f4..87535753ab04 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -26,6 +26,7 @@ #include <linux/ima.h> #include <linux/cred.h> #include <linux/buffer_head.h> /* for inode_has_buffers */ +#include <linux/ratelimit.h> #include "internal.h" /* @@ -191,6 +192,7 @@ int inode_init_always(struct super_block *sb, struct inode *inode) } inode->i_private = NULL; inode->i_mapping = mapping; + INIT_LIST_HEAD(&inode->i_dentry); /* buggered by rcu freeing */ #ifdef CONFIG_FS_POSIX_ACL inode->i_acl = inode->i_default_acl = ACL_NOT_CACHED; #endif @@ -241,6 +243,11 @@ void __destroy_inode(struct inode *inode) BUG_ON(inode_has_buffers(inode)); security_inode_free(inode); fsnotify_inode_delete(inode); + if (!inode->i_nlink) { + WARN_ON(atomic_long_read(&inode->i_sb->s_remove_count) == 0); + atomic_long_dec(&inode->i_sb->s_remove_count); + } + #ifdef CONFIG_FS_POSIX_ACL if (inode->i_acl && inode->i_acl != ACL_NOT_CACHED) posix_acl_release(inode->i_acl); @@ -254,7 +261,6 @@ EXPORT_SYMBOL(__destroy_inode); static void i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(inode_cachep, inode); } @@ -268,6 +274,85 @@ static void destroy_inode(struct inode *inode) call_rcu(&inode->i_rcu, i_callback); } +/** + * drop_nlink - directly drop an inode's link count + * @inode: inode + * + * This is a low-level filesystem helper to replace any + * direct filesystem manipulation of i_nlink. In cases + * where we are attempting to track writes to the + * filesystem, a decrement to zero means an imminent + * write when the file is truncated and actually unlinked + * on the filesystem. + */ +void drop_nlink(struct inode *inode) +{ + WARN_ON(inode->i_nlink == 0); + inode->__i_nlink--; + if (!inode->i_nlink) + atomic_long_inc(&inode->i_sb->s_remove_count); +} +EXPORT_SYMBOL(drop_nlink); + +/** + * clear_nlink - directly zero an inode's link count + * @inode: inode + * + * This is a low-level filesystem helper to replace any + * direct filesystem manipulation of i_nlink. See + * drop_nlink() for why we care about i_nlink hitting zero. + */ +void clear_nlink(struct inode *inode) +{ + if (inode->i_nlink) { + inode->__i_nlink = 0; + atomic_long_inc(&inode->i_sb->s_remove_count); + } +} +EXPORT_SYMBOL(clear_nlink); + +/** + * set_nlink - directly set an inode's link count + * @inode: inode + * @nlink: new nlink (should be non-zero) + * + * This is a low-level filesystem helper to replace any + * direct filesystem manipulation of i_nlink. + */ +void set_nlink(struct inode *inode, unsigned int nlink) +{ + if (!nlink) { + printk_ratelimited(KERN_INFO + "set_nlink() clearing i_nlink on %s inode %li\n", + inode->i_sb->s_type->name, inode->i_ino); + clear_nlink(inode); + } else { + /* Yes, some filesystems do change nlink from zero to one */ + if (inode->i_nlink == 0) + atomic_long_dec(&inode->i_sb->s_remove_count); + + inode->__i_nlink = nlink; + } +} +EXPORT_SYMBOL(set_nlink); + +/** + * inc_nlink - directly increment an inode's link count + * @inode: inode + * + * This is a low-level filesystem helper to replace any + * direct filesystem manipulation of i_nlink. Currently, + * it is only here for parity with dec_nlink(). + */ +void inc_nlink(struct inode *inode) +{ + if (WARN_ON(inode->i_nlink == 0)) + atomic_long_dec(&inode->i_sb->s_remove_count); + + inode->__i_nlink++; +} +EXPORT_SYMBOL(inc_nlink); + void address_space_init_once(struct address_space *mapping) { memset(mapping, 0, sizeof(*mapping)); @@ -290,7 +375,6 @@ void inode_init_once(struct inode *inode) { memset(inode, 0, sizeof(*inode)); INIT_HLIST_NODE(&inode->i_hash); - INIT_LIST_HEAD(&inode->i_dentry); INIT_LIST_HEAD(&inode->i_devices); INIT_LIST_HEAD(&inode->i_wb_list); INIT_LIST_HEAD(&inode->i_lru); @@ -1508,7 +1592,7 @@ void file_update_time(struct file *file) if (sync_it & S_MTIME) inode->i_mtime = now; mark_inode_dirty_sync(inode); - mnt_drop_write(file->f_path.mnt); + mnt_drop_write_file(file); } EXPORT_SYMBOL(file_update_time); @@ -1647,7 +1731,7 @@ EXPORT_SYMBOL(init_special_inode); * @mode: mode of the new inode */ void inode_init_owner(struct inode *inode, const struct inode *dir, - mode_t mode) + umode_t mode) { inode->i_uid = current_fsuid(); if (dir && dir->i_mode & S_ISGID) { diff --git a/fs/internal.h b/fs/internal.h index fe327c20af83..9962c59ba280 100644 --- a/fs/internal.h +++ b/fs/internal.h @@ -15,19 +15,14 @@ struct super_block; struct file_system_type; struct linux_binprm; struct path; +struct mount; /* * block_dev.c */ #ifdef CONFIG_BLOCK -extern struct super_block *blockdev_superblock; extern void __init bdev_cache_init(void); -static inline int sb_is_blkdev_sb(struct super_block *sb) -{ - return sb == blockdev_superblock; -} - extern int __sync_blockdev(struct block_device *bdev, int wait); #else @@ -35,11 +30,6 @@ static inline void bdev_cache_init(void) { } -static inline int sb_is_blkdev_sb(struct super_block *sb) -{ - return 0; -} - static inline int __sync_blockdev(struct block_device *bdev, int wait) { return 0; @@ -52,28 +42,17 @@ static inline int __sync_blockdev(struct block_device *bdev, int wait) extern void __init chrdev_init(void); /* - * exec.c - */ -extern int check_unsafe_exec(struct linux_binprm *); - -/* * namespace.c */ extern int copy_mount_options(const void __user *, unsigned long *); extern int copy_mount_string(const void __user *, char **); -extern unsigned int mnt_get_count(struct vfsmount *mnt); -extern struct vfsmount *__lookup_mnt(struct vfsmount *, struct dentry *, int); extern struct vfsmount *lookup_mnt(struct path *); -extern void mnt_set_mountpoint(struct vfsmount *, struct dentry *, - struct vfsmount *); -extern void release_mounts(struct list_head *); -extern void umount_tree(struct vfsmount *, int, struct list_head *); -extern struct vfsmount *copy_tree(struct vfsmount *, struct dentry *, int); extern int finish_automount(struct vfsmount *, struct path *); extern void mnt_make_longterm(struct vfsmount *); extern void mnt_make_shortterm(struct vfsmount *); +extern int sb_prepare_remount_readonly(struct super_block *); extern void __init mnt_init(void); @@ -98,10 +77,9 @@ extern struct file *get_empty_filp(void); */ extern int do_remount_sb(struct super_block *, int, void *, int); extern bool grab_super_passive(struct super_block *sb); -extern void __put_super(struct super_block *sb); -extern void put_super(struct super_block *sb); extern struct dentry *mount_fs(struct file_system_type *, int, const char *, void *); +extern struct super_block *user_get_super(dev_t); /* * open.c @@ -111,7 +89,7 @@ extern struct file *nameidata_to_filp(struct nameidata *); extern void release_open_intent(struct nameidata *); struct open_flags { int open_flag; - int mode; + umode_t mode; int acc_mode; int intent; }; diff --git a/fs/isofs/inode.c b/fs/isofs/inode.c index f950059525fc..7b99f5f460be 100644 --- a/fs/isofs/inode.c +++ b/fs/isofs/inode.c @@ -85,7 +85,6 @@ static struct inode *isofs_alloc_inode(struct super_block *sb) static void isofs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(isofs_inode_cachep, ISOFS_I(inode)); } @@ -170,8 +169,8 @@ struct iso9660_options{ unsigned char map; unsigned char check; unsigned int blocksize; - mode_t fmode; - mode_t dmode; + umode_t fmode; + umode_t dmode; gid_t gid; uid_t uid; char *iocharset; diff --git a/fs/isofs/isofs.h b/fs/isofs/isofs.h index 7d33de84f52a..0e73f63d9274 100644 --- a/fs/isofs/isofs.h +++ b/fs/isofs/isofs.h @@ -50,14 +50,14 @@ struct isofs_sb_info { unsigned int s_uid_set:1; unsigned int s_gid_set:1; - mode_t s_fmode; - mode_t s_dmode; + umode_t s_fmode; + umode_t s_dmode; gid_t s_gid; uid_t s_uid; struct nls_table *s_nls_iocharset; /* Native language support table */ }; -#define ISOFS_INVALID_MODE ((mode_t) -1) +#define ISOFS_INVALID_MODE ((umode_t) -1) static inline struct isofs_sb_info *ISOFS_SB(struct super_block *sb) { diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c index be6169bd8acd..973ac5822bd7 100644 --- a/fs/jffs2/dir.c +++ b/fs/jffs2/dir.c @@ -22,16 +22,16 @@ static int jffs2_readdir (struct file *, void *, filldir_t); -static int jffs2_create (struct inode *,struct dentry *,int, +static int jffs2_create (struct inode *,struct dentry *,umode_t, struct nameidata *); static struct dentry *jffs2_lookup (struct inode *,struct dentry *, struct nameidata *); static int jffs2_link (struct dentry *,struct inode *,struct dentry *); static int jffs2_unlink (struct inode *,struct dentry *); static int jffs2_symlink (struct inode *,struct dentry *,const char *); -static int jffs2_mkdir (struct inode *,struct dentry *,int); +static int jffs2_mkdir (struct inode *,struct dentry *,umode_t); static int jffs2_rmdir (struct inode *,struct dentry *); -static int jffs2_mknod (struct inode *,struct dentry *,int,dev_t); +static int jffs2_mknod (struct inode *,struct dentry *,umode_t,dev_t); static int jffs2_rename (struct inode *, struct dentry *, struct inode *, struct dentry *); @@ -169,8 +169,8 @@ static int jffs2_readdir(struct file *filp, void *dirent, filldir_t filldir) /***********************************************************************/ -static int jffs2_create(struct inode *dir_i, struct dentry *dentry, int mode, - struct nameidata *nd) +static int jffs2_create(struct inode *dir_i, struct dentry *dentry, + umode_t mode, struct nameidata *nd) { struct jffs2_raw_inode *ri; struct jffs2_inode_info *f, *dir_f; @@ -450,7 +450,7 @@ static int jffs2_symlink (struct inode *dir_i, struct dentry *dentry, const char } -static int jffs2_mkdir (struct inode *dir_i, struct dentry *dentry, int mode) +static int jffs2_mkdir (struct inode *dir_i, struct dentry *dentry, umode_t mode) { struct jffs2_inode_info *f, *dir_f; struct jffs2_sb_info *c; @@ -618,7 +618,7 @@ static int jffs2_rmdir (struct inode *dir_i, struct dentry *dentry) return ret; } -static int jffs2_mknod (struct inode *dir_i, struct dentry *dentry, int mode, dev_t rdev) +static int jffs2_mknod (struct inode *dir_i, struct dentry *dentry, umode_t mode, dev_t rdev) { struct jffs2_inode_info *f, *dir_f; struct jffs2_sb_info *c; diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c index e7e974454115..8be4925296cf 100644 --- a/fs/jffs2/super.c +++ b/fs/jffs2/super.c @@ -45,7 +45,6 @@ static struct inode *jffs2_alloc_inode(struct super_block *sb) static void jffs2_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(jffs2_inode_cachep, JFFS2_INODE_INFO(inode)); } @@ -97,9 +96,9 @@ static const char *jffs2_compr_name(unsigned int compr) } } -static int jffs2_show_options(struct seq_file *s, struct vfsmount *mnt) +static int jffs2_show_options(struct seq_file *s, struct dentry *root) { - struct jffs2_sb_info *c = JFFS2_SB_INFO(mnt->mnt_sb); + struct jffs2_sb_info *c = JFFS2_SB_INFO(root->d_sb); struct jffs2_mount_opts *opts = &c->mount_opts; if (opts->override_compr) diff --git a/fs/jfs/ioctl.c b/fs/jfs/ioctl.c index 6f98a1866776..f19d1e04a374 100644 --- a/fs/jfs/ioctl.c +++ b/fs/jfs/ioctl.c @@ -68,7 +68,7 @@ long jfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) unsigned int oldflags; int err; - err = mnt_want_write(filp->f_path.mnt); + err = mnt_want_write_file(filp); if (err) return err; @@ -120,7 +120,7 @@ long jfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) inode->i_ctime = CURRENT_TIME_SEC; mark_inode_dirty(inode); setflags_out: - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); return err; } default: diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c index a112ad96e474..5f7c160ea64f 100644 --- a/fs/jfs/namei.c +++ b/fs/jfs/namei.c @@ -72,7 +72,7 @@ static inline void free_ea_wmap(struct inode *inode) * RETURN: Errors from subroutines * */ -static int jfs_create(struct inode *dip, struct dentry *dentry, int mode, +static int jfs_create(struct inode *dip, struct dentry *dentry, umode_t mode, struct nameidata *nd) { int rc = 0; @@ -205,7 +205,7 @@ static int jfs_create(struct inode *dip, struct dentry *dentry, int mode, * note: * EACCESS: user needs search+write permission on the parent directory */ -static int jfs_mkdir(struct inode *dip, struct dentry *dentry, int mode) +static int jfs_mkdir(struct inode *dip, struct dentry *dentry, umode_t mode) { int rc = 0; tid_t tid; /* transaction id */ @@ -1353,7 +1353,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, * FUNCTION: Create a special file (device) */ static int jfs_mknod(struct inode *dir, struct dentry *dentry, - int mode, dev_t rdev) + umode_t mode, dev_t rdev) { struct jfs_inode_info *jfs_ip; struct btstack btstack; diff --git a/fs/jfs/super.c b/fs/jfs/super.c index a44eff076c17..682bca642f38 100644 --- a/fs/jfs/super.c +++ b/fs/jfs/super.c @@ -119,7 +119,6 @@ static void jfs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); struct jfs_inode_info *ji = JFS_IP(inode); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(jfs_inode_cachep, ji); } @@ -609,9 +608,9 @@ static int jfs_sync_fs(struct super_block *sb, int wait) return 0; } -static int jfs_show_options(struct seq_file *seq, struct vfsmount *vfs) +static int jfs_show_options(struct seq_file *seq, struct dentry *root) { - struct jfs_sb_info *sbi = JFS_SBI(vfs->mnt_sb); + struct jfs_sb_info *sbi = JFS_SBI(root->d_sb); if (sbi->uid != -1) seq_printf(seq, ",uid=%d", sbi->uid); diff --git a/fs/libfs.c b/fs/libfs.c index f6d411eef1e7..5b2dbb3ba4fc 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -12,7 +12,7 @@ #include <linux/mutex.h> #include <linux/exportfs.h> #include <linux/writeback.h> -#include <linux/buffer_head.h> +#include <linux/buffer_head.h> /* sync_mapping_buffers */ #include <asm/uaccess.h> diff --git a/fs/lockd/svcsubs.c b/fs/lockd/svcsubs.c index 1ca0679c80bf..2240d384d787 100644 --- a/fs/lockd/svcsubs.c +++ b/fs/lockd/svcsubs.c @@ -403,7 +403,7 @@ nlmsvc_match_sb(void *datap, struct nlm_file *file) { struct super_block *sb = datap; - return sb == file->f_file->f_path.mnt->mnt_sb; + return sb == file->f_file->f_path.dentry->d_sb; } /** diff --git a/fs/logfs/dir.c b/fs/logfs/dir.c index b7d7f67cee5a..501043e8966c 100644 --- a/fs/logfs/dir.c +++ b/fs/logfs/dir.c @@ -482,7 +482,7 @@ out: return ret; } -static int logfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int logfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { struct inode *inode; @@ -501,7 +501,7 @@ static int logfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) return __logfs_create(dir, dentry, inode, NULL, 0); } -static int logfs_create(struct inode *dir, struct dentry *dentry, int mode, +static int logfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { struct inode *inode; @@ -517,7 +517,7 @@ static int logfs_create(struct inode *dir, struct dentry *dentry, int mode, return __logfs_create(dir, dentry, inode, NULL, 0); } -static int logfs_mknod(struct inode *dir, struct dentry *dentry, int mode, +static int logfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rdev) { struct inode *inode; diff --git a/fs/logfs/inode.c b/fs/logfs/inode.c index 7e441ad5f792..388df1aa35e5 100644 --- a/fs/logfs/inode.c +++ b/fs/logfs/inode.c @@ -144,7 +144,6 @@ struct inode *logfs_safe_iget(struct super_block *sb, ino_t ino, int *is_cached) static void logfs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(logfs_inode_cache, logfs_inode(inode)); } @@ -324,7 +323,7 @@ static void logfs_set_ino_generation(struct super_block *sb, mutex_unlock(&super->s_journal_mutex); } -struct inode *logfs_new_inode(struct inode *dir, int mode) +struct inode *logfs_new_inode(struct inode *dir, umode_t mode) { struct super_block *sb = dir->i_sb; struct inode *inode; diff --git a/fs/logfs/logfs.h b/fs/logfs/logfs.h index 398ecff6e548..926373866a55 100644 --- a/fs/logfs/logfs.h +++ b/fs/logfs/logfs.h @@ -520,7 +520,7 @@ extern const struct super_operations logfs_super_operations; struct inode *logfs_iget(struct super_block *sb, ino_t ino); struct inode *logfs_safe_iget(struct super_block *sb, ino_t ino, int *cookie); void logfs_safe_iput(struct inode *inode, int cookie); -struct inode *logfs_new_inode(struct inode *dir, int mode); +struct inode *logfs_new_inode(struct inode *dir, umode_t mode); struct inode *logfs_new_meta_inode(struct super_block *sb, u64 ino); struct inode *logfs_read_meta_inode(struct super_block *sb, u64 ino); int logfs_init_inode_cache(void); diff --git a/fs/minix/bitmap.c b/fs/minix/bitmap.c index ef175cb8cfd8..4bc50dac8e97 100644 --- a/fs/minix/bitmap.c +++ b/fs/minix/bitmap.c @@ -209,7 +209,7 @@ void minix_free_inode(struct inode * inode) mark_buffer_dirty(bh); } -struct inode *minix_new_inode(const struct inode *dir, int mode, int *error) +struct inode *minix_new_inode(const struct inode *dir, umode_t mode, int *error) { struct super_block *sb = dir->i_sb; struct minix_sb_info *sbi = minix_sb(sb); diff --git a/fs/minix/inode.c b/fs/minix/inode.c index 4d46a6a59070..fa8b612b8ce2 100644 --- a/fs/minix/inode.c +++ b/fs/minix/inode.c @@ -71,7 +71,6 @@ static struct inode *minix_alloc_inode(struct super_block *sb) static void minix_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(minix_inode_cachep, minix_i(inode)); } diff --git a/fs/minix/minix.h b/fs/minix/minix.h index 26bbd55e82ea..c889ef0aa571 100644 --- a/fs/minix/minix.h +++ b/fs/minix/minix.h @@ -46,7 +46,7 @@ struct minix_sb_info { extern struct inode *minix_iget(struct super_block *, unsigned long); extern struct minix_inode * minix_V1_raw_inode(struct super_block *, ino_t, struct buffer_head **); extern struct minix2_inode * minix_V2_raw_inode(struct super_block *, ino_t, struct buffer_head **); -extern struct inode * minix_new_inode(const struct inode *, int, int *); +extern struct inode * minix_new_inode(const struct inode *, umode_t, int *); extern void minix_free_inode(struct inode * inode); extern unsigned long minix_count_free_inodes(struct super_block *sb); extern int minix_new_block(struct inode * inode); diff --git a/fs/minix/namei.c b/fs/minix/namei.c index 6e6777f1b4b2..2f76e38c2065 100644 --- a/fs/minix/namei.c +++ b/fs/minix/namei.c @@ -36,7 +36,7 @@ static struct dentry *minix_lookup(struct inode * dir, struct dentry *dentry, st return NULL; } -static int minix_mknod(struct inode * dir, struct dentry *dentry, int mode, dev_t rdev) +static int minix_mknod(struct inode * dir, struct dentry *dentry, umode_t mode, dev_t rdev) { int error; struct inode *inode; @@ -54,7 +54,7 @@ static int minix_mknod(struct inode * dir, struct dentry *dentry, int mode, dev_ return error; } -static int minix_create(struct inode * dir, struct dentry *dentry, int mode, +static int minix_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { return minix_mknod(dir, dentry, mode, 0); @@ -103,7 +103,7 @@ static int minix_link(struct dentry * old_dentry, struct inode * dir, return add_nondir(dentry, inode); } -static int minix_mkdir(struct inode * dir, struct dentry *dentry, int mode) +static int minix_mkdir(struct inode * dir, struct dentry *dentry, umode_t mode) { struct inode * inode; int err = -EMLINK; diff --git a/fs/mount.h b/fs/mount.h new file mode 100644 index 000000000000..4ef36d93e5a2 --- /dev/null +++ b/fs/mount.h @@ -0,0 +1,76 @@ +#include <linux/mount.h> +#include <linux/seq_file.h> +#include <linux/poll.h> + +struct mnt_namespace { + atomic_t count; + struct mount * root; + struct list_head list; + wait_queue_head_t poll; + int event; +}; + +struct mnt_pcp { + int mnt_count; + int mnt_writers; +}; + +struct mount { + struct list_head mnt_hash; + struct mount *mnt_parent; + struct dentry *mnt_mountpoint; + struct vfsmount mnt; +#ifdef CONFIG_SMP + struct mnt_pcp __percpu *mnt_pcp; + atomic_t mnt_longterm; /* how many of the refs are longterm */ +#else + int mnt_count; + int mnt_writers; +#endif + struct list_head mnt_mounts; /* list of children, anchored here */ + struct list_head mnt_child; /* and going through their mnt_child */ + struct list_head mnt_instance; /* mount instance on sb->s_mounts */ + const char *mnt_devname; /* Name of device e.g. /dev/dsk/hda1 */ + struct list_head mnt_list; + struct list_head mnt_expire; /* link in fs-specific expiry list */ + struct list_head mnt_share; /* circular list of shared mounts */ + struct list_head mnt_slave_list;/* list of slave mounts */ + struct list_head mnt_slave; /* slave list entry */ + struct mount *mnt_master; /* slave is on master->mnt_slave_list */ + struct mnt_namespace *mnt_ns; /* containing namespace */ +#ifdef CONFIG_FSNOTIFY + struct hlist_head mnt_fsnotify_marks; + __u32 mnt_fsnotify_mask; +#endif + int mnt_id; /* mount identifier */ + int mnt_group_id; /* peer group identifier */ + int mnt_expiry_mark; /* true if marked for expiry */ + int mnt_pinned; + int mnt_ghosts; +}; + +static inline struct mount *real_mount(struct vfsmount *mnt) +{ + return container_of(mnt, struct mount, mnt); +} + +static inline int mnt_has_parent(struct mount *mnt) +{ + return mnt != mnt->mnt_parent; +} + +extern struct mount *__lookup_mnt(struct vfsmount *, struct dentry *, int); + +static inline void get_mnt_ns(struct mnt_namespace *ns) +{ + atomic_inc(&ns->count); +} + +struct proc_mounts { + struct seq_file m; /* must be the first element */ + struct mnt_namespace *ns; + struct path root; + int (*show)(struct seq_file *, struct vfsmount *); +}; + +extern const struct seq_operations mounts_op; diff --git a/fs/namei.c b/fs/namei.c index 5008f01787f5..c283a1ec008e 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -36,6 +36,7 @@ #include <asm/uaccess.h> #include "internal.h" +#include "mount.h" /* [Feb-1997 T. Schoebel-Theuer] * Fundamental changes in the pathname lookup mechanisms (namei) @@ -676,36 +677,38 @@ follow_link(struct path *link, struct nameidata *nd, void **p) static int follow_up_rcu(struct path *path) { - struct vfsmount *parent; + struct mount *mnt = real_mount(path->mnt); + struct mount *parent; struct dentry *mountpoint; - parent = path->mnt->mnt_parent; - if (parent == path->mnt) + parent = mnt->mnt_parent; + if (&parent->mnt == path->mnt) return 0; - mountpoint = path->mnt->mnt_mountpoint; + mountpoint = mnt->mnt_mountpoint; path->dentry = mountpoint; - path->mnt = parent; + path->mnt = &parent->mnt; return 1; } int follow_up(struct path *path) { - struct vfsmount *parent; + struct mount *mnt = real_mount(path->mnt); + struct mount *parent; struct dentry *mountpoint; br_read_lock(vfsmount_lock); - parent = path->mnt->mnt_parent; - if (parent == path->mnt) { + parent = mnt->mnt_parent; + if (&parent->mnt == path->mnt) { br_read_unlock(vfsmount_lock); return 0; } - mntget(parent); - mountpoint = dget(path->mnt->mnt_mountpoint); + mntget(&parent->mnt); + mountpoint = dget(mnt->mnt_mountpoint); br_read_unlock(vfsmount_lock); dput(path->dentry); path->dentry = mountpoint; mntput(path->mnt); - path->mnt = parent; + path->mnt = &parent->mnt; return 1; } @@ -884,7 +887,7 @@ static bool __follow_mount_rcu(struct nameidata *nd, struct path *path, struct inode **inode) { for (;;) { - struct vfsmount *mounted; + struct mount *mounted; /* * Don't forget we might have a non-mountpoint managed dentry * that wants to block transit. @@ -898,8 +901,8 @@ static bool __follow_mount_rcu(struct nameidata *nd, struct path *path, mounted = __lookup_mnt(path->mnt, path->dentry, 1); if (!mounted) break; - path->mnt = mounted; - path->dentry = mounted->mnt_root; + path->mnt = &mounted->mnt; + path->dentry = mounted->mnt.mnt_root; nd->flags |= LOOKUP_JUMPED; nd->seq = read_seqcount_begin(&path->dentry->d_seq); /* @@ -915,12 +918,12 @@ static bool __follow_mount_rcu(struct nameidata *nd, struct path *path, static void follow_mount_rcu(struct nameidata *nd) { while (d_mountpoint(nd->path.dentry)) { - struct vfsmount *mounted; + struct mount *mounted; mounted = __lookup_mnt(nd->path.mnt, nd->path.dentry, 1); if (!mounted) break; - nd->path.mnt = mounted; - nd->path.dentry = mounted->mnt_root; + nd->path.mnt = &mounted->mnt; + nd->path.dentry = mounted->mnt.mnt_root; nd->seq = read_seqcount_begin(&nd->path.dentry->d_seq); } } @@ -1976,7 +1979,7 @@ void unlock_rename(struct dentry *p1, struct dentry *p2) } } -int vfs_create(struct inode *dir, struct dentry *dentry, int mode, +int vfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { int error = may_create(dir, dentry); @@ -2177,7 +2180,7 @@ static struct file *do_last(struct nameidata *nd, struct path *path, /* Negative dentry, just create the file */ if (!dentry->d_inode) { - int mode = op->mode; + umode_t mode = op->mode; if (!IS_POSIXACL(dir->d_inode)) mode &= ~current_umask(); /* @@ -2444,7 +2447,7 @@ struct dentry *user_path_create(int dfd, const char __user *pathname, struct pat } EXPORT_SYMBOL(user_path_create); -int vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) +int vfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) { int error = may_create(dir, dentry); @@ -2472,7 +2475,7 @@ int vfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) return error; } -static int may_mknod(mode_t mode) +static int may_mknod(umode_t mode) { switch (mode & S_IFMT) { case S_IFREG: @@ -2489,7 +2492,7 @@ static int may_mknod(mode_t mode) } } -SYSCALL_DEFINE4(mknodat, int, dfd, const char __user *, filename, int, mode, +SYSCALL_DEFINE4(mknodat, int, dfd, const char __user *, filename, umode_t, mode, unsigned, dev) { struct dentry *dentry; @@ -2536,12 +2539,12 @@ out_dput: return error; } -SYSCALL_DEFINE3(mknod, const char __user *, filename, int, mode, unsigned, dev) +SYSCALL_DEFINE3(mknod, const char __user *, filename, umode_t, mode, unsigned, dev) { return sys_mknodat(AT_FDCWD, filename, mode, dev); } -int vfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) +int vfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { int error = may_create(dir, dentry); @@ -2562,7 +2565,7 @@ int vfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) return error; } -SYSCALL_DEFINE3(mkdirat, int, dfd, const char __user *, pathname, int, mode) +SYSCALL_DEFINE3(mkdirat, int, dfd, const char __user *, pathname, umode_t, mode) { struct dentry *dentry; struct path path; @@ -2590,7 +2593,7 @@ out_dput: return error; } -SYSCALL_DEFINE2(mkdir, const char __user *, pathname, int, mode) +SYSCALL_DEFINE2(mkdir, const char __user *, pathname, umode_t, mode) { return sys_mkdirat(AT_FDCWD, pathname, mode); } diff --git a/fs/namespace.c b/fs/namespace.c index cfc6d4448aa5..7e6f2c9dc7c4 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -9,30 +9,17 @@ */ #include <linux/syscalls.h> -#include <linux/slab.h> -#include <linux/sched.h> -#include <linux/spinlock.h> -#include <linux/percpu.h> -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/acct.h> +#include <linux/export.h> #include <linux/capability.h> -#include <linux/cpumask.h> -#include <linux/module.h> -#include <linux/sysfs.h> -#include <linux/seq_file.h> #include <linux/mnt_namespace.h> #include <linux/namei.h> -#include <linux/nsproxy.h> #include <linux/security.h> -#include <linux/mount.h> -#include <linux/ramfs.h> -#include <linux/log2.h> #include <linux/idr.h> -#include <linux/fs_struct.h> -#include <linux/fsnotify.h> -#include <asm/uaccess.h> -#include <asm/unistd.h> +#include <linux/acct.h> /* acct_auto_close_mnt */ +#include <linux/ramfs.h> /* init_rootfs */ +#include <linux/fs_struct.h> /* get_fs_root et.al. */ +#include <linux/fsnotify.h> /* fsnotify_vfsmount_delete */ +#include <linux/uaccess.h> #include "pnode.h" #include "internal.h" @@ -78,7 +65,7 @@ static inline unsigned long hash(struct vfsmount *mnt, struct dentry *dentry) * allocation is serialized by namespace_sem, but we need the spinlock to * serialize with freeing. */ -static int mnt_alloc_id(struct vfsmount *mnt) +static int mnt_alloc_id(struct mount *mnt) { int res; @@ -95,7 +82,7 @@ retry: return res; } -static void mnt_free_id(struct vfsmount *mnt) +static void mnt_free_id(struct mount *mnt) { int id = mnt->mnt_id; spin_lock(&mnt_id_lock); @@ -110,7 +97,7 @@ static void mnt_free_id(struct vfsmount *mnt) * * mnt_group_ida is protected by namespace_sem */ -static int mnt_alloc_group_id(struct vfsmount *mnt) +static int mnt_alloc_group_id(struct mount *mnt) { int res; @@ -129,7 +116,7 @@ static int mnt_alloc_group_id(struct vfsmount *mnt) /* * Release a peer group ID */ -void mnt_release_group_id(struct vfsmount *mnt) +void mnt_release_group_id(struct mount *mnt) { int id = mnt->mnt_group_id; ida_remove(&mnt_group_ida, id); @@ -141,7 +128,7 @@ void mnt_release_group_id(struct vfsmount *mnt) /* * vfsmount lock must be held for read */ -static inline void mnt_add_count(struct vfsmount *mnt, int n) +static inline void mnt_add_count(struct mount *mnt, int n) { #ifdef CONFIG_SMP this_cpu_add(mnt->mnt_pcp->mnt_count, n); @@ -152,35 +139,10 @@ static inline void mnt_add_count(struct vfsmount *mnt, int n) #endif } -static inline void mnt_set_count(struct vfsmount *mnt, int n) -{ -#ifdef CONFIG_SMP - this_cpu_write(mnt->mnt_pcp->mnt_count, n); -#else - mnt->mnt_count = n; -#endif -} - -/* - * vfsmount lock must be held for read - */ -static inline void mnt_inc_count(struct vfsmount *mnt) -{ - mnt_add_count(mnt, 1); -} - -/* - * vfsmount lock must be held for read - */ -static inline void mnt_dec_count(struct vfsmount *mnt) -{ - mnt_add_count(mnt, -1); -} - /* * vfsmount lock must be held for write */ -unsigned int mnt_get_count(struct vfsmount *mnt) +unsigned int mnt_get_count(struct mount *mnt) { #ifdef CONFIG_SMP unsigned int count = 0; @@ -196,9 +158,9 @@ unsigned int mnt_get_count(struct vfsmount *mnt) #endif } -static struct vfsmount *alloc_vfsmnt(const char *name) +static struct mount *alloc_vfsmnt(const char *name) { - struct vfsmount *mnt = kmem_cache_zalloc(mnt_cache, GFP_KERNEL); + struct mount *mnt = kmem_cache_zalloc(mnt_cache, GFP_KERNEL); if (mnt) { int err; @@ -277,7 +239,7 @@ int __mnt_is_readonly(struct vfsmount *mnt) } EXPORT_SYMBOL_GPL(__mnt_is_readonly); -static inline void mnt_inc_writers(struct vfsmount *mnt) +static inline void mnt_inc_writers(struct mount *mnt) { #ifdef CONFIG_SMP this_cpu_inc(mnt->mnt_pcp->mnt_writers); @@ -286,7 +248,7 @@ static inline void mnt_inc_writers(struct vfsmount *mnt) #endif } -static inline void mnt_dec_writers(struct vfsmount *mnt) +static inline void mnt_dec_writers(struct mount *mnt) { #ifdef CONFIG_SMP this_cpu_dec(mnt->mnt_pcp->mnt_writers); @@ -295,7 +257,7 @@ static inline void mnt_dec_writers(struct vfsmount *mnt) #endif } -static unsigned int mnt_get_writers(struct vfsmount *mnt) +static unsigned int mnt_get_writers(struct mount *mnt) { #ifdef CONFIG_SMP unsigned int count = 0; @@ -311,6 +273,15 @@ static unsigned int mnt_get_writers(struct vfsmount *mnt) #endif } +static int mnt_is_readonly(struct vfsmount *mnt) +{ + if (mnt->mnt_sb->s_readonly_remount) + return 1; + /* Order wrt setting s_flags/s_readonly_remount in do_remount() */ + smp_rmb(); + return __mnt_is_readonly(mnt); +} + /* * Most r/o checks on a fs are for operations that take * discrete amounts of time, like a write() or unlink(). @@ -321,7 +292,7 @@ static unsigned int mnt_get_writers(struct vfsmount *mnt) */ /** * mnt_want_write - get write access to a mount - * @mnt: the mount on which to take a write + * @m: the mount on which to take a write * * This tells the low-level filesystem that a write is * about to be performed to it, and makes sure that @@ -329,8 +300,9 @@ static unsigned int mnt_get_writers(struct vfsmount *mnt) * the write operation is finished, mnt_drop_write() * must be called. This is effectively a refcount. */ -int mnt_want_write(struct vfsmount *mnt) +int mnt_want_write(struct vfsmount *m) { + struct mount *mnt = real_mount(m); int ret = 0; preempt_disable(); @@ -341,7 +313,7 @@ int mnt_want_write(struct vfsmount *mnt) * incremented count after it has set MNT_WRITE_HOLD. */ smp_mb(); - while (mnt->mnt_flags & MNT_WRITE_HOLD) + while (mnt->mnt.mnt_flags & MNT_WRITE_HOLD) cpu_relax(); /* * After the slowpath clears MNT_WRITE_HOLD, mnt_is_readonly will @@ -349,7 +321,7 @@ int mnt_want_write(struct vfsmount *mnt) * MNT_WRITE_HOLD is cleared. */ smp_rmb(); - if (__mnt_is_readonly(mnt)) { + if (mnt_is_readonly(m)) { mnt_dec_writers(mnt); ret = -EROFS; goto out; @@ -378,7 +350,7 @@ int mnt_clone_write(struct vfsmount *mnt) if (__mnt_is_readonly(mnt)) return -EROFS; preempt_disable(); - mnt_inc_writers(mnt); + mnt_inc_writers(real_mount(mnt)); preempt_enable(); return 0; } @@ -412,17 +384,23 @@ EXPORT_SYMBOL_GPL(mnt_want_write_file); void mnt_drop_write(struct vfsmount *mnt) { preempt_disable(); - mnt_dec_writers(mnt); + mnt_dec_writers(real_mount(mnt)); preempt_enable(); } EXPORT_SYMBOL_GPL(mnt_drop_write); -static int mnt_make_readonly(struct vfsmount *mnt) +void mnt_drop_write_file(struct file *file) +{ + mnt_drop_write(file->f_path.mnt); +} +EXPORT_SYMBOL(mnt_drop_write_file); + +static int mnt_make_readonly(struct mount *mnt) { int ret = 0; br_write_lock(vfsmount_lock); - mnt->mnt_flags |= MNT_WRITE_HOLD; + mnt->mnt.mnt_flags |= MNT_WRITE_HOLD; /* * After storing MNT_WRITE_HOLD, we'll read the counters. This store * should be visible before we do. @@ -448,25 +426,61 @@ static int mnt_make_readonly(struct vfsmount *mnt) if (mnt_get_writers(mnt) > 0) ret = -EBUSY; else - mnt->mnt_flags |= MNT_READONLY; + mnt->mnt.mnt_flags |= MNT_READONLY; /* * MNT_READONLY must become visible before ~MNT_WRITE_HOLD, so writers * that become unheld will see MNT_READONLY. */ smp_wmb(); - mnt->mnt_flags &= ~MNT_WRITE_HOLD; + mnt->mnt.mnt_flags &= ~MNT_WRITE_HOLD; br_write_unlock(vfsmount_lock); return ret; } -static void __mnt_unmake_readonly(struct vfsmount *mnt) +static void __mnt_unmake_readonly(struct mount *mnt) { br_write_lock(vfsmount_lock); - mnt->mnt_flags &= ~MNT_READONLY; + mnt->mnt.mnt_flags &= ~MNT_READONLY; br_write_unlock(vfsmount_lock); } -static void free_vfsmnt(struct vfsmount *mnt) +int sb_prepare_remount_readonly(struct super_block *sb) +{ + struct mount *mnt; + int err = 0; + + /* Racy optimization. Recheck the counter under MNT_WRITE_HOLD */ + if (atomic_long_read(&sb->s_remove_count)) + return -EBUSY; + + br_write_lock(vfsmount_lock); + list_for_each_entry(mnt, &sb->s_mounts, mnt_instance) { + if (!(mnt->mnt.mnt_flags & MNT_READONLY)) { + mnt->mnt.mnt_flags |= MNT_WRITE_HOLD; + smp_mb(); + if (mnt_get_writers(mnt) > 0) { + err = -EBUSY; + break; + } + } + } + if (!err && atomic_long_read(&sb->s_remove_count)) + err = -EBUSY; + + if (!err) { + sb->s_readonly_remount = 1; + smp_wmb(); + } + list_for_each_entry(mnt, &sb->s_mounts, mnt_instance) { + if (mnt->mnt.mnt_flags & MNT_WRITE_HOLD) + mnt->mnt.mnt_flags &= ~MNT_WRITE_HOLD; + } + br_write_unlock(vfsmount_lock); + + return err; +} + +static void free_vfsmnt(struct mount *mnt) { kfree(mnt->mnt_devname); mnt_free_id(mnt); @@ -481,20 +495,20 @@ static void free_vfsmnt(struct vfsmount *mnt) * @dir. If @dir is set return the first mount else return the last mount. * vfsmount_lock must be held for read or write. */ -struct vfsmount *__lookup_mnt(struct vfsmount *mnt, struct dentry *dentry, +struct mount *__lookup_mnt(struct vfsmount *mnt, struct dentry *dentry, int dir) { struct list_head *head = mount_hashtable + hash(mnt, dentry); struct list_head *tmp = head; - struct vfsmount *p, *found = NULL; + struct mount *p, *found = NULL; for (;;) { tmp = dir ? tmp->next : tmp->prev; p = NULL; if (tmp == head) break; - p = list_entry(tmp, struct vfsmount, mnt_hash); - if (p->mnt_parent == mnt && p->mnt_mountpoint == dentry) { + p = list_entry(tmp, struct mount, mnt_hash); + if (&p->mnt_parent->mnt == mnt && p->mnt_mountpoint == dentry) { found = p; break; } @@ -508,16 +522,21 @@ struct vfsmount *__lookup_mnt(struct vfsmount *mnt, struct dentry *dentry, */ struct vfsmount *lookup_mnt(struct path *path) { - struct vfsmount *child_mnt; + struct mount *child_mnt; br_read_lock(vfsmount_lock); - if ((child_mnt = __lookup_mnt(path->mnt, path->dentry, 1))) - mntget(child_mnt); - br_read_unlock(vfsmount_lock); - return child_mnt; + child_mnt = __lookup_mnt(path->mnt, path->dentry, 1); + if (child_mnt) { + mnt_add_count(child_mnt, 1); + br_read_unlock(vfsmount_lock); + return &child_mnt->mnt; + } else { + br_read_unlock(vfsmount_lock); + return NULL; + } } -static inline int check_mnt(struct vfsmount *mnt) +static inline int check_mnt(struct mount *mnt) { return mnt->mnt_ns == current->nsproxy->mnt_ns; } @@ -548,12 +567,12 @@ static void __touch_mnt_namespace(struct mnt_namespace *ns) * Clear dentry's mounted state if it has no remaining mounts. * vfsmount_lock must be held for write. */ -static void dentry_reset_mounted(struct vfsmount *mnt, struct dentry *dentry) +static void dentry_reset_mounted(struct dentry *dentry) { unsigned u; for (u = 0; u < HASH_SIZE; u++) { - struct vfsmount *p; + struct mount *p; list_for_each_entry(p, &mount_hashtable[u], mnt_hash) { if (p->mnt_mountpoint == dentry) @@ -568,25 +587,26 @@ static void dentry_reset_mounted(struct vfsmount *mnt, struct dentry *dentry) /* * vfsmount lock must be held for write */ -static void detach_mnt(struct vfsmount *mnt, struct path *old_path) +static void detach_mnt(struct mount *mnt, struct path *old_path) { old_path->dentry = mnt->mnt_mountpoint; - old_path->mnt = mnt->mnt_parent; + old_path->mnt = &mnt->mnt_parent->mnt; mnt->mnt_parent = mnt; - mnt->mnt_mountpoint = mnt->mnt_root; + mnt->mnt_mountpoint = mnt->mnt.mnt_root; list_del_init(&mnt->mnt_child); list_del_init(&mnt->mnt_hash); - dentry_reset_mounted(old_path->mnt, old_path->dentry); + dentry_reset_mounted(old_path->dentry); } /* * vfsmount lock must be held for write */ -void mnt_set_mountpoint(struct vfsmount *mnt, struct dentry *dentry, - struct vfsmount *child_mnt) +void mnt_set_mountpoint(struct mount *mnt, struct dentry *dentry, + struct mount *child_mnt) { - child_mnt->mnt_parent = mntget(mnt); + mnt_add_count(mnt, 1); /* essentially, that's mntget */ child_mnt->mnt_mountpoint = dget(dentry); + child_mnt->mnt_parent = mnt; spin_lock(&dentry->d_lock); dentry->d_flags |= DCACHE_MOUNTED; spin_unlock(&dentry->d_lock); @@ -595,15 +615,15 @@ void mnt_set_mountpoint(struct vfsmount *mnt, struct dentry *dentry, /* * vfsmount lock must be held for write */ -static void attach_mnt(struct vfsmount *mnt, struct path *path) +static void attach_mnt(struct mount *mnt, struct path *path) { - mnt_set_mountpoint(path->mnt, path->dentry, mnt); + mnt_set_mountpoint(real_mount(path->mnt), path->dentry, mnt); list_add_tail(&mnt->mnt_hash, mount_hashtable + hash(path->mnt, path->dentry)); - list_add_tail(&mnt->mnt_child, &path->mnt->mnt_mounts); + list_add_tail(&mnt->mnt_child, &real_mount(path->mnt)->mnt_mounts); } -static inline void __mnt_make_longterm(struct vfsmount *mnt) +static inline void __mnt_make_longterm(struct mount *mnt) { #ifdef CONFIG_SMP atomic_inc(&mnt->mnt_longterm); @@ -611,7 +631,7 @@ static inline void __mnt_make_longterm(struct vfsmount *mnt) } /* needs vfsmount lock for write */ -static inline void __mnt_make_shortterm(struct vfsmount *mnt) +static inline void __mnt_make_shortterm(struct mount *mnt) { #ifdef CONFIG_SMP atomic_dec(&mnt->mnt_longterm); @@ -621,10 +641,10 @@ static inline void __mnt_make_shortterm(struct vfsmount *mnt) /* * vfsmount lock must be held for write */ -static void commit_tree(struct vfsmount *mnt) +static void commit_tree(struct mount *mnt) { - struct vfsmount *parent = mnt->mnt_parent; - struct vfsmount *m; + struct mount *parent = mnt->mnt_parent; + struct mount *m; LIST_HEAD(head); struct mnt_namespace *n = parent->mnt_ns; @@ -639,12 +659,12 @@ static void commit_tree(struct vfsmount *mnt) list_splice(&head, n->list.prev); list_add_tail(&mnt->mnt_hash, mount_hashtable + - hash(parent, mnt->mnt_mountpoint)); + hash(&parent->mnt, mnt->mnt_mountpoint)); list_add_tail(&mnt->mnt_child, &parent->mnt_mounts); touch_mnt_namespace(n); } -static struct vfsmount *next_mnt(struct vfsmount *p, struct vfsmount *root) +static struct mount *next_mnt(struct mount *p, struct mount *root) { struct list_head *next = p->mnt_mounts.next; if (next == &p->mnt_mounts) { @@ -657,14 +677,14 @@ static struct vfsmount *next_mnt(struct vfsmount *p, struct vfsmount *root) p = p->mnt_parent; } } - return list_entry(next, struct vfsmount, mnt_child); + return list_entry(next, struct mount, mnt_child); } -static struct vfsmount *skip_mnt_tree(struct vfsmount *p) +static struct mount *skip_mnt_tree(struct mount *p) { struct list_head *prev = p->mnt_mounts.prev; while (prev != &p->mnt_mounts) { - p = list_entry(prev, struct vfsmount, mnt_child); + p = list_entry(prev, struct mount, mnt_child); prev = p->mnt_mounts.prev; } return p; @@ -673,7 +693,7 @@ static struct vfsmount *skip_mnt_tree(struct vfsmount *p) struct vfsmount * vfs_kern_mount(struct file_system_type *type, int flags, const char *name, void *data) { - struct vfsmount *mnt; + struct mount *mnt; struct dentry *root; if (!type) @@ -684,7 +704,7 @@ vfs_kern_mount(struct file_system_type *type, int flags, const char *name, void return ERR_PTR(-ENOMEM); if (flags & MS_KERNMOUNT) - mnt->mnt_flags = MNT_INTERNAL; + mnt->mnt.mnt_flags = MNT_INTERNAL; root = mount_fs(type, flags, name, data); if (IS_ERR(root)) { @@ -692,19 +712,22 @@ vfs_kern_mount(struct file_system_type *type, int flags, const char *name, void return ERR_CAST(root); } - mnt->mnt_root = root; - mnt->mnt_sb = root->d_sb; - mnt->mnt_mountpoint = mnt->mnt_root; + mnt->mnt.mnt_root = root; + mnt->mnt.mnt_sb = root->d_sb; + mnt->mnt_mountpoint = mnt->mnt.mnt_root; mnt->mnt_parent = mnt; - return mnt; + br_write_lock(vfsmount_lock); + list_add_tail(&mnt->mnt_instance, &root->d_sb->s_mounts); + br_write_unlock(vfsmount_lock); + return &mnt->mnt; } EXPORT_SYMBOL_GPL(vfs_kern_mount); -static struct vfsmount *clone_mnt(struct vfsmount *old, struct dentry *root, +static struct mount *clone_mnt(struct mount *old, struct dentry *root, int flag) { - struct super_block *sb = old->mnt_sb; - struct vfsmount *mnt = alloc_vfsmnt(old->mnt_devname); + struct super_block *sb = old->mnt.mnt_sb; + struct mount *mnt = alloc_vfsmnt(old->mnt_devname); if (mnt) { if (flag & (CL_SLAVE | CL_PRIVATE)) @@ -718,12 +741,15 @@ static struct vfsmount *clone_mnt(struct vfsmount *old, struct dentry *root, goto out_free; } - mnt->mnt_flags = old->mnt_flags & ~MNT_WRITE_HOLD; + mnt->mnt.mnt_flags = old->mnt.mnt_flags & ~MNT_WRITE_HOLD; atomic_inc(&sb->s_active); - mnt->mnt_sb = sb; - mnt->mnt_root = dget(root); - mnt->mnt_mountpoint = mnt->mnt_root; + mnt->mnt.mnt_sb = sb; + mnt->mnt.mnt_root = dget(root); + mnt->mnt_mountpoint = mnt->mnt.mnt_root; mnt->mnt_parent = mnt; + br_write_lock(vfsmount_lock); + list_add_tail(&mnt->mnt_instance, &sb->s_mounts); + br_write_unlock(vfsmount_lock); if (flag & CL_SLAVE) { list_add(&mnt->mnt_slave, &old->mnt_slave_list); @@ -753,9 +779,10 @@ static struct vfsmount *clone_mnt(struct vfsmount *old, struct dentry *root, return NULL; } -static inline void mntfree(struct vfsmount *mnt) +static inline void mntfree(struct mount *mnt) { - struct super_block *sb = mnt->mnt_sb; + struct vfsmount *m = &mnt->mnt; + struct super_block *sb = m->mnt_sb; /* * This probably indicates that somebody messed @@ -768,32 +795,32 @@ static inline void mntfree(struct vfsmount *mnt) * so mnt_get_writers() below is safe. */ WARN_ON(mnt_get_writers(mnt)); - fsnotify_vfsmount_delete(mnt); - dput(mnt->mnt_root); + fsnotify_vfsmount_delete(m); + dput(m->mnt_root); free_vfsmnt(mnt); deactivate_super(sb); } -static void mntput_no_expire(struct vfsmount *mnt) +static void mntput_no_expire(struct mount *mnt) { put_again: #ifdef CONFIG_SMP br_read_lock(vfsmount_lock); if (likely(atomic_read(&mnt->mnt_longterm))) { - mnt_dec_count(mnt); + mnt_add_count(mnt, -1); br_read_unlock(vfsmount_lock); return; } br_read_unlock(vfsmount_lock); br_write_lock(vfsmount_lock); - mnt_dec_count(mnt); + mnt_add_count(mnt, -1); if (mnt_get_count(mnt)) { br_write_unlock(vfsmount_lock); return; } #else - mnt_dec_count(mnt); + mnt_add_count(mnt, -1); if (likely(mnt_get_count(mnt))) return; br_write_lock(vfsmount_lock); @@ -802,9 +829,10 @@ put_again: mnt_add_count(mnt, mnt->mnt_pinned + 1); mnt->mnt_pinned = 0; br_write_unlock(vfsmount_lock); - acct_auto_close_mnt(mnt); + acct_auto_close_mnt(&mnt->mnt); goto put_again; } + list_del(&mnt->mnt_instance); br_write_unlock(vfsmount_lock); mntfree(mnt); } @@ -812,10 +840,11 @@ put_again: void mntput(struct vfsmount *mnt) { if (mnt) { + struct mount *m = real_mount(mnt); /* avoid cacheline pingpong, hope gcc doesn't get "smart" */ - if (unlikely(mnt->mnt_expiry_mark)) - mnt->mnt_expiry_mark = 0; - mntput_no_expire(mnt); + if (unlikely(m->mnt_expiry_mark)) + m->mnt_expiry_mark = 0; + mntput_no_expire(m); } } EXPORT_SYMBOL(mntput); @@ -823,7 +852,7 @@ EXPORT_SYMBOL(mntput); struct vfsmount *mntget(struct vfsmount *mnt) { if (mnt) - mnt_inc_count(mnt); + mnt_add_count(real_mount(mnt), 1); return mnt; } EXPORT_SYMBOL(mntget); @@ -831,16 +860,17 @@ EXPORT_SYMBOL(mntget); void mnt_pin(struct vfsmount *mnt) { br_write_lock(vfsmount_lock); - mnt->mnt_pinned++; + real_mount(mnt)->mnt_pinned++; br_write_unlock(vfsmount_lock); } EXPORT_SYMBOL(mnt_pin); -void mnt_unpin(struct vfsmount *mnt) +void mnt_unpin(struct vfsmount *m) { + struct mount *mnt = real_mount(m); br_write_lock(vfsmount_lock); if (mnt->mnt_pinned) { - mnt_inc_count(mnt); + mnt_add_count(mnt, 1); mnt->mnt_pinned--; } br_write_unlock(vfsmount_lock); @@ -858,12 +888,12 @@ static inline void mangle(struct seq_file *m, const char *s) * * See also save_mount_options(). */ -int generic_show_options(struct seq_file *m, struct vfsmount *mnt) +int generic_show_options(struct seq_file *m, struct dentry *root) { const char *options; rcu_read_lock(); - options = rcu_dereference(mnt->mnt_sb->s_options); + options = rcu_dereference(root->d_sb->s_options); if (options != NULL && options[0]) { seq_putc(m, ','); @@ -907,10 +937,10 @@ void replace_mount_options(struct super_block *sb, char *options) EXPORT_SYMBOL(replace_mount_options); #ifdef CONFIG_PROC_FS -/* iterator */ +/* iterator; we want it to have access to namespace_sem, thus here... */ static void *m_start(struct seq_file *m, loff_t *pos) { - struct proc_mounts *p = m->private; + struct proc_mounts *p = container_of(m, struct proc_mounts, m); down_read(&namespace_sem); return seq_list_start(&p->ns->list, *pos); @@ -918,7 +948,7 @@ static void *m_start(struct seq_file *m, loff_t *pos) static void *m_next(struct seq_file *m, void *v, loff_t *pos) { - struct proc_mounts *p = m->private; + struct proc_mounts *p = container_of(m, struct proc_mounts, m); return seq_list_next(v, &p->ns->list, pos); } @@ -928,219 +958,18 @@ static void m_stop(struct seq_file *m, void *v) up_read(&namespace_sem); } -int mnt_had_events(struct proc_mounts *p) +static int m_show(struct seq_file *m, void *v) { - struct mnt_namespace *ns = p->ns; - int res = 0; - - br_read_lock(vfsmount_lock); - if (p->m.poll_event != ns->event) { - p->m.poll_event = ns->event; - res = 1; - } - br_read_unlock(vfsmount_lock); - - return res; -} - -struct proc_fs_info { - int flag; - const char *str; -}; - -static int show_sb_opts(struct seq_file *m, struct super_block *sb) -{ - static const struct proc_fs_info fs_info[] = { - { MS_SYNCHRONOUS, ",sync" }, - { MS_DIRSYNC, ",dirsync" }, - { MS_MANDLOCK, ",mand" }, - { 0, NULL } - }; - const struct proc_fs_info *fs_infop; - - for (fs_infop = fs_info; fs_infop->flag; fs_infop++) { - if (sb->s_flags & fs_infop->flag) - seq_puts(m, fs_infop->str); - } - - return security_sb_show_options(m, sb); -} - -static void show_mnt_opts(struct seq_file *m, struct vfsmount *mnt) -{ - static const struct proc_fs_info mnt_info[] = { - { MNT_NOSUID, ",nosuid" }, - { MNT_NODEV, ",nodev" }, - { MNT_NOEXEC, ",noexec" }, - { MNT_NOATIME, ",noatime" }, - { MNT_NODIRATIME, ",nodiratime" }, - { MNT_RELATIME, ",relatime" }, - { 0, NULL } - }; - const struct proc_fs_info *fs_infop; - - for (fs_infop = mnt_info; fs_infop->flag; fs_infop++) { - if (mnt->mnt_flags & fs_infop->flag) - seq_puts(m, fs_infop->str); - } -} - -static void show_type(struct seq_file *m, struct super_block *sb) -{ - mangle(m, sb->s_type->name); - if (sb->s_subtype && sb->s_subtype[0]) { - seq_putc(m, '.'); - mangle(m, sb->s_subtype); - } -} - -static int show_vfsmnt(struct seq_file *m, void *v) -{ - struct vfsmount *mnt = list_entry(v, struct vfsmount, mnt_list); - int err = 0; - struct path mnt_path = { .dentry = mnt->mnt_root, .mnt = mnt }; - - if (mnt->mnt_sb->s_op->show_devname) { - err = mnt->mnt_sb->s_op->show_devname(m, mnt); - if (err) - goto out; - } else { - mangle(m, mnt->mnt_devname ? mnt->mnt_devname : "none"); - } - seq_putc(m, ' '); - seq_path(m, &mnt_path, " \t\n\\"); - seq_putc(m, ' '); - show_type(m, mnt->mnt_sb); - seq_puts(m, __mnt_is_readonly(mnt) ? " ro" : " rw"); - err = show_sb_opts(m, mnt->mnt_sb); - if (err) - goto out; - show_mnt_opts(m, mnt); - if (mnt->mnt_sb->s_op->show_options) - err = mnt->mnt_sb->s_op->show_options(m, mnt); - seq_puts(m, " 0 0\n"); -out: - return err; + struct proc_mounts *p = container_of(m, struct proc_mounts, m); + struct mount *r = list_entry(v, struct mount, mnt_list); + return p->show(m, &r->mnt); } const struct seq_operations mounts_op = { .start = m_start, .next = m_next, .stop = m_stop, - .show = show_vfsmnt -}; - -static int show_mountinfo(struct seq_file *m, void *v) -{ - struct proc_mounts *p = m->private; - struct vfsmount *mnt = list_entry(v, struct vfsmount, mnt_list); - struct super_block *sb = mnt->mnt_sb; - struct path mnt_path = { .dentry = mnt->mnt_root, .mnt = mnt }; - struct path root = p->root; - int err = 0; - - seq_printf(m, "%i %i %u:%u ", mnt->mnt_id, mnt->mnt_parent->mnt_id, - MAJOR(sb->s_dev), MINOR(sb->s_dev)); - if (sb->s_op->show_path) - err = sb->s_op->show_path(m, mnt); - else - seq_dentry(m, mnt->mnt_root, " \t\n\\"); - if (err) - goto out; - seq_putc(m, ' '); - - /* mountpoints outside of chroot jail will give SEQ_SKIP on this */ - err = seq_path_root(m, &mnt_path, &root, " \t\n\\"); - if (err) - goto out; - - seq_puts(m, mnt->mnt_flags & MNT_READONLY ? " ro" : " rw"); - show_mnt_opts(m, mnt); - - /* Tagged fields ("foo:X" or "bar") */ - if (IS_MNT_SHARED(mnt)) - seq_printf(m, " shared:%i", mnt->mnt_group_id); - if (IS_MNT_SLAVE(mnt)) { - int master = mnt->mnt_master->mnt_group_id; - int dom = get_dominating_id(mnt, &p->root); - seq_printf(m, " master:%i", master); - if (dom && dom != master) - seq_printf(m, " propagate_from:%i", dom); - } - if (IS_MNT_UNBINDABLE(mnt)) - seq_puts(m, " unbindable"); - - /* Filesystem specific data */ - seq_puts(m, " - "); - show_type(m, sb); - seq_putc(m, ' '); - if (sb->s_op->show_devname) - err = sb->s_op->show_devname(m, mnt); - else - mangle(m, mnt->mnt_devname ? mnt->mnt_devname : "none"); - if (err) - goto out; - seq_puts(m, sb->s_flags & MS_RDONLY ? " ro" : " rw"); - err = show_sb_opts(m, sb); - if (err) - goto out; - if (sb->s_op->show_options) - err = sb->s_op->show_options(m, mnt); - seq_putc(m, '\n'); -out: - return err; -} - -const struct seq_operations mountinfo_op = { - .start = m_start, - .next = m_next, - .stop = m_stop, - .show = show_mountinfo, -}; - -static int show_vfsstat(struct seq_file *m, void *v) -{ - struct vfsmount *mnt = list_entry(v, struct vfsmount, mnt_list); - struct path mnt_path = { .dentry = mnt->mnt_root, .mnt = mnt }; - int err = 0; - - /* device */ - if (mnt->mnt_sb->s_op->show_devname) { - seq_puts(m, "device "); - err = mnt->mnt_sb->s_op->show_devname(m, mnt); - } else { - if (mnt->mnt_devname) { - seq_puts(m, "device "); - mangle(m, mnt->mnt_devname); - } else - seq_puts(m, "no device"); - } - - /* mount point */ - seq_puts(m, " mounted on "); - seq_path(m, &mnt_path, " \t\n\\"); - seq_putc(m, ' '); - - /* file system type */ - seq_puts(m, "with fstype "); - show_type(m, mnt->mnt_sb); - - /* optional statistics */ - if (mnt->mnt_sb->s_op->show_stats) { - seq_putc(m, ' '); - if (!err) - err = mnt->mnt_sb->s_op->show_stats(m, mnt); - } - - seq_putc(m, '\n'); - return err; -} - -const struct seq_operations mountstats_op = { - .start = m_start, - .next = m_next, - .stop = m_stop, - .show = show_vfsstat, + .show = m_show, }; #endif /* CONFIG_PROC_FS */ @@ -1152,11 +981,13 @@ const struct seq_operations mountstats_op = { * open files, pwds, chroots or sub mounts that are * busy. */ -int may_umount_tree(struct vfsmount *mnt) +int may_umount_tree(struct vfsmount *m) { + struct mount *mnt = real_mount(m); int actual_refs = 0; int minimum_refs = 0; - struct vfsmount *p; + struct mount *p; + BUG_ON(!m); /* write lock needed for mnt_get_count */ br_write_lock(vfsmount_lock); @@ -1192,7 +1023,7 @@ int may_umount(struct vfsmount *mnt) int ret = 1; down_read(&namespace_sem); br_write_lock(vfsmount_lock); - if (propagate_mount_busy(mnt, 2)) + if (propagate_mount_busy(real_mount(mnt), 2)) ret = 0; br_write_unlock(vfsmount_lock); up_read(&namespace_sem); @@ -1203,25 +1034,25 @@ EXPORT_SYMBOL(may_umount); void release_mounts(struct list_head *head) { - struct vfsmount *mnt; + struct mount *mnt; while (!list_empty(head)) { - mnt = list_first_entry(head, struct vfsmount, mnt_hash); + mnt = list_first_entry(head, struct mount, mnt_hash); list_del_init(&mnt->mnt_hash); - if (mnt->mnt_parent != mnt) { + if (mnt_has_parent(mnt)) { struct dentry *dentry; - struct vfsmount *m; + struct mount *m; br_write_lock(vfsmount_lock); dentry = mnt->mnt_mountpoint; m = mnt->mnt_parent; - mnt->mnt_mountpoint = mnt->mnt_root; + mnt->mnt_mountpoint = mnt->mnt.mnt_root; mnt->mnt_parent = mnt; m->mnt_ghosts--; br_write_unlock(vfsmount_lock); dput(dentry); - mntput(m); + mntput(&m->mnt); } - mntput(mnt); + mntput(&mnt->mnt); } } @@ -1229,10 +1060,10 @@ void release_mounts(struct list_head *head) * vfsmount lock must be held for write * namespace_sem must be held for write */ -void umount_tree(struct vfsmount *mnt, int propagate, struct list_head *kill) +void umount_tree(struct mount *mnt, int propagate, struct list_head *kill) { LIST_HEAD(tmp_list); - struct vfsmount *p; + struct mount *p; for (p = mnt; p; p = next_mnt(p, mnt)) list_move(&p->mnt_hash, &tmp_list); @@ -1247,24 +1078,24 @@ void umount_tree(struct vfsmount *mnt, int propagate, struct list_head *kill) p->mnt_ns = NULL; __mnt_make_shortterm(p); list_del_init(&p->mnt_child); - if (p->mnt_parent != p) { + if (mnt_has_parent(p)) { p->mnt_parent->mnt_ghosts++; - dentry_reset_mounted(p->mnt_parent, p->mnt_mountpoint); + dentry_reset_mounted(p->mnt_mountpoint); } change_mnt_propagation(p, MS_PRIVATE); } list_splice(&tmp_list, kill); } -static void shrink_submounts(struct vfsmount *mnt, struct list_head *umounts); +static void shrink_submounts(struct mount *mnt, struct list_head *umounts); -static int do_umount(struct vfsmount *mnt, int flags) +static int do_umount(struct mount *mnt, int flags) { - struct super_block *sb = mnt->mnt_sb; + struct super_block *sb = mnt->mnt.mnt_sb; int retval; LIST_HEAD(umount_list); - retval = security_sb_umount(mnt, flags); + retval = security_sb_umount(&mnt->mnt, flags); if (retval) return retval; @@ -1275,7 +1106,7 @@ static int do_umount(struct vfsmount *mnt, int flags) * (2) the usage count == 1 [parent vfsmount] + 1 [sys_umount] */ if (flags & MNT_EXPIRE) { - if (mnt == current->fs->root.mnt || + if (&mnt->mnt == current->fs->root.mnt || flags & (MNT_FORCE | MNT_DETACH)) return -EINVAL; @@ -1317,7 +1148,7 @@ static int do_umount(struct vfsmount *mnt, int flags) * /reboot - static binary that would close all descriptors and * call reboot(9). Then init(8) could umount root and exec /reboot. */ - if (mnt == current->fs->root.mnt && !(flags & MNT_DETACH)) { + if (&mnt->mnt == current->fs->root.mnt && !(flags & MNT_DETACH)) { /* * Special case for "unmounting" root ... * we just try to remount it readonly. @@ -1359,6 +1190,7 @@ static int do_umount(struct vfsmount *mnt, int flags) SYSCALL_DEFINE2(umount, char __user *, name, int, flags) { struct path path; + struct mount *mnt; int retval; int lookup_flags = 0; @@ -1371,21 +1203,22 @@ SYSCALL_DEFINE2(umount, char __user *, name, int, flags) retval = user_path_at(AT_FDCWD, name, lookup_flags, &path); if (retval) goto out; + mnt = real_mount(path.mnt); retval = -EINVAL; if (path.dentry != path.mnt->mnt_root) goto dput_and_out; - if (!check_mnt(path.mnt)) + if (!check_mnt(mnt)) goto dput_and_out; retval = -EPERM; if (!capable(CAP_SYS_ADMIN)) goto dput_and_out; - retval = do_umount(path.mnt, flags); + retval = do_umount(mnt, flags); dput_and_out: /* we mustn't call path_put() as that would clear mnt_expiry_mark */ dput(path.dentry); - mntput_no_expire(path.mnt); + mntput_no_expire(mnt); out: return retval; } @@ -1420,10 +1253,10 @@ static int mount_is_safe(struct path *path) #endif } -struct vfsmount *copy_tree(struct vfsmount *mnt, struct dentry *dentry, +struct mount *copy_tree(struct mount *mnt, struct dentry *dentry, int flag) { - struct vfsmount *res, *p, *q, *r, *s; + struct mount *res, *p, *q, *r; struct path path; if (!(flag & CL_COPY_ALL) && IS_MNT_UNBINDABLE(mnt)) @@ -1436,6 +1269,7 @@ struct vfsmount *copy_tree(struct vfsmount *mnt, struct dentry *dentry, p = mnt; list_for_each_entry(r, &mnt->mnt_mounts, mnt_child) { + struct mount *s; if (!is_subdir(r->mnt_mountpoint, dentry)) continue; @@ -1449,9 +1283,9 @@ struct vfsmount *copy_tree(struct vfsmount *mnt, struct dentry *dentry, q = q->mnt_parent; } p = s; - path.mnt = q; + path.mnt = &q->mnt; path.dentry = p->mnt_mountpoint; - q = clone_mnt(p, p->mnt_root, flag); + q = clone_mnt(p, p->mnt.mnt_root, flag); if (!q) goto Enomem; br_write_lock(vfsmount_lock); @@ -1474,11 +1308,12 @@ Enomem: struct vfsmount *collect_mounts(struct path *path) { - struct vfsmount *tree; + struct mount *tree; down_write(&namespace_sem); - tree = copy_tree(path->mnt, path->dentry, CL_COPY_ALL | CL_PRIVATE); + tree = copy_tree(real_mount(path->mnt), path->dentry, + CL_COPY_ALL | CL_PRIVATE); up_write(&namespace_sem); - return tree; + return tree ? &tree->mnt : NULL; } void drop_collected_mounts(struct vfsmount *mnt) @@ -1486,7 +1321,7 @@ void drop_collected_mounts(struct vfsmount *mnt) LIST_HEAD(umount_list); down_write(&namespace_sem); br_write_lock(vfsmount_lock); - umount_tree(mnt, 0, &umount_list); + umount_tree(real_mount(mnt), 0, &umount_list); br_write_unlock(vfsmount_lock); up_write(&namespace_sem); release_mounts(&umount_list); @@ -1495,21 +1330,21 @@ void drop_collected_mounts(struct vfsmount *mnt) int iterate_mounts(int (*f)(struct vfsmount *, void *), void *arg, struct vfsmount *root) { - struct vfsmount *mnt; + struct mount *mnt; int res = f(root, arg); if (res) return res; - list_for_each_entry(mnt, &root->mnt_list, mnt_list) { - res = f(mnt, arg); + list_for_each_entry(mnt, &real_mount(root)->mnt_list, mnt_list) { + res = f(&mnt->mnt, arg); if (res) return res; } return 0; } -static void cleanup_group_ids(struct vfsmount *mnt, struct vfsmount *end) +static void cleanup_group_ids(struct mount *mnt, struct mount *end) { - struct vfsmount *p; + struct mount *p; for (p = mnt; p != end; p = next_mnt(p, mnt)) { if (p->mnt_group_id && !IS_MNT_SHARED(p)) @@ -1517,9 +1352,9 @@ static void cleanup_group_ids(struct vfsmount *mnt, struct vfsmount *end) } } -static int invent_group_ids(struct vfsmount *mnt, bool recurse) +static int invent_group_ids(struct mount *mnt, bool recurse) { - struct vfsmount *p; + struct mount *p; for (p = mnt; p; p = recurse ? next_mnt(p, mnt) : NULL) { if (!p->mnt_group_id && !IS_MNT_SHARED(p)) { @@ -1597,13 +1432,13 @@ static int invent_group_ids(struct vfsmount *mnt, bool recurse) * Must be called without spinlocks held, since this function can sleep * in allocations. */ -static int attach_recursive_mnt(struct vfsmount *source_mnt, +static int attach_recursive_mnt(struct mount *source_mnt, struct path *path, struct path *parent_path) { LIST_HEAD(tree_list); - struct vfsmount *dest_mnt = path->mnt; + struct mount *dest_mnt = real_mount(path->mnt); struct dentry *dest_dentry = path->dentry; - struct vfsmount *child, *p; + struct mount *child, *p; int err; if (IS_MNT_SHARED(dest_mnt)) { @@ -1624,7 +1459,7 @@ static int attach_recursive_mnt(struct vfsmount *source_mnt, if (parent_path) { detach_mnt(source_mnt, parent_path); attach_mnt(source_mnt, path); - touch_mnt_namespace(parent_path->mnt->mnt_ns); + touch_mnt_namespace(source_mnt->mnt_ns); } else { mnt_set_mountpoint(dest_mnt, dest_dentry, source_mnt); commit_tree(source_mnt); @@ -1672,13 +1507,13 @@ static void unlock_mount(struct path *path) mutex_unlock(&path->dentry->d_inode->i_mutex); } -static int graft_tree(struct vfsmount *mnt, struct path *path) +static int graft_tree(struct mount *mnt, struct path *path) { - if (mnt->mnt_sb->s_flags & MS_NOUSER) + if (mnt->mnt.mnt_sb->s_flags & MS_NOUSER) return -EINVAL; if (S_ISDIR(path->dentry->d_inode->i_mode) != - S_ISDIR(mnt->mnt_root->d_inode->i_mode)) + S_ISDIR(mnt->mnt.mnt_root->d_inode->i_mode)) return -ENOTDIR; if (d_unlinked(path->dentry)) @@ -1709,7 +1544,8 @@ static int flags_to_propagation_type(int flags) */ static int do_change_type(struct path *path, int flag) { - struct vfsmount *m, *mnt = path->mnt; + struct mount *m; + struct mount *mnt = real_mount(path->mnt); int recurse = flag & MS_REC; int type; int err = 0; @@ -1749,7 +1585,7 @@ static int do_loopback(struct path *path, char *old_name, { LIST_HEAD(umount_list); struct path old_path; - struct vfsmount *mnt = NULL; + struct mount *mnt = NULL, *old; int err = mount_is_safe(path); if (err) return err; @@ -1763,18 +1599,20 @@ static int do_loopback(struct path *path, char *old_name, if (err) goto out; + old = real_mount(old_path.mnt); + err = -EINVAL; - if (IS_MNT_UNBINDABLE(old_path.mnt)) + if (IS_MNT_UNBINDABLE(old)) goto out2; - if (!check_mnt(path->mnt) || !check_mnt(old_path.mnt)) + if (!check_mnt(real_mount(path->mnt)) || !check_mnt(old)) goto out2; err = -ENOMEM; if (recurse) - mnt = copy_tree(old_path.mnt, old_path.dentry, 0); + mnt = copy_tree(old, old_path.dentry, 0); else - mnt = clone_mnt(old_path.mnt, old_path.dentry, 0); + mnt = clone_mnt(old, old_path.dentry, 0); if (!mnt) goto out2; @@ -1804,9 +1642,9 @@ static int change_mount_flags(struct vfsmount *mnt, int ms_flags) return 0; if (readonly_request) - error = mnt_make_readonly(mnt); + error = mnt_make_readonly(real_mount(mnt)); else - __mnt_unmake_readonly(mnt); + __mnt_unmake_readonly(real_mount(mnt)); return error; } @@ -1820,11 +1658,12 @@ static int do_remount(struct path *path, int flags, int mnt_flags, { int err; struct super_block *sb = path->mnt->mnt_sb; + struct mount *mnt = real_mount(path->mnt); if (!capable(CAP_SYS_ADMIN)) return -EPERM; - if (!check_mnt(path->mnt)) + if (!check_mnt(mnt)) return -EINVAL; if (path->dentry != path->mnt->mnt_root) @@ -1841,22 +1680,22 @@ static int do_remount(struct path *path, int flags, int mnt_flags, err = do_remount_sb(sb, flags, data, 0); if (!err) { br_write_lock(vfsmount_lock); - mnt_flags |= path->mnt->mnt_flags & MNT_PROPAGATION_MASK; - path->mnt->mnt_flags = mnt_flags; + mnt_flags |= mnt->mnt.mnt_flags & MNT_PROPAGATION_MASK; + mnt->mnt.mnt_flags = mnt_flags; br_write_unlock(vfsmount_lock); } up_write(&sb->s_umount); if (!err) { br_write_lock(vfsmount_lock); - touch_mnt_namespace(path->mnt->mnt_ns); + touch_mnt_namespace(mnt->mnt_ns); br_write_unlock(vfsmount_lock); } return err; } -static inline int tree_contains_unbindable(struct vfsmount *mnt) +static inline int tree_contains_unbindable(struct mount *mnt) { - struct vfsmount *p; + struct mount *p; for (p = mnt; p; p = next_mnt(p, mnt)) { if (IS_MNT_UNBINDABLE(p)) return 1; @@ -1867,7 +1706,8 @@ static inline int tree_contains_unbindable(struct vfsmount *mnt) static int do_move_mount(struct path *path, char *old_name) { struct path old_path, parent_path; - struct vfsmount *p; + struct mount *p; + struct mount *old; int err = 0; if (!capable(CAP_SYS_ADMIN)) return -EPERM; @@ -1881,8 +1721,11 @@ static int do_move_mount(struct path *path, char *old_name) if (err < 0) goto out; + old = real_mount(old_path.mnt); + p = real_mount(path->mnt); + err = -EINVAL; - if (!check_mnt(path->mnt) || !check_mnt(old_path.mnt)) + if (!check_mnt(p) || !check_mnt(old)) goto out1; if (d_unlinked(path->dentry)) @@ -1892,7 +1735,7 @@ static int do_move_mount(struct path *path, char *old_name) if (old_path.dentry != old_path.mnt->mnt_root) goto out1; - if (old_path.mnt == old_path.mnt->mnt_parent) + if (!mnt_has_parent(old)) goto out1; if (S_ISDIR(path->dentry->d_inode->i_mode) != @@ -1901,28 +1744,26 @@ static int do_move_mount(struct path *path, char *old_name) /* * Don't move a mount residing in a shared parent. */ - if (old_path.mnt->mnt_parent && - IS_MNT_SHARED(old_path.mnt->mnt_parent)) + if (IS_MNT_SHARED(old->mnt_parent)) goto out1; /* * Don't move a mount tree containing unbindable mounts to a destination * mount which is shared. */ - if (IS_MNT_SHARED(path->mnt) && - tree_contains_unbindable(old_path.mnt)) + if (IS_MNT_SHARED(p) && tree_contains_unbindable(old)) goto out1; err = -ELOOP; - for (p = path->mnt; p->mnt_parent != p; p = p->mnt_parent) - if (p == old_path.mnt) + for (; mnt_has_parent(p); p = p->mnt_parent) + if (p == old) goto out1; - err = attach_recursive_mnt(old_path.mnt, path, &parent_path); + err = attach_recursive_mnt(old, path, &parent_path); if (err) goto out1; /* if the mount is moved, it should no longer be expire * automatically */ - list_del_init(&old_path.mnt->mnt_expire); + list_del_init(&old->mnt_expire); out1: unlock_mount(path); out: @@ -1955,7 +1796,7 @@ static struct vfsmount *fs_set_subtype(struct vfsmount *mnt, const char *fstype) return ERR_PTR(err); } -struct vfsmount * +static struct vfsmount * do_kern_mount(const char *fstype, int flags, const char *name, void *data) { struct file_system_type *type = get_fs_type(fstype); @@ -1969,12 +1810,11 @@ do_kern_mount(const char *fstype, int flags, const char *name, void *data) put_filesystem(type); return mnt; } -EXPORT_SYMBOL_GPL(do_kern_mount); /* * add a mount into a namespace's mount tree */ -static int do_add_mount(struct vfsmount *newmnt, struct path *path, int mnt_flags) +static int do_add_mount(struct mount *newmnt, struct path *path, int mnt_flags) { int err; @@ -1985,20 +1825,20 @@ static int do_add_mount(struct vfsmount *newmnt, struct path *path, int mnt_flag return err; err = -EINVAL; - if (!(mnt_flags & MNT_SHRINKABLE) && !check_mnt(path->mnt)) + if (!(mnt_flags & MNT_SHRINKABLE) && !check_mnt(real_mount(path->mnt))) goto unlock; /* Refuse the same filesystem on the same mount point */ err = -EBUSY; - if (path->mnt->mnt_sb == newmnt->mnt_sb && + if (path->mnt->mnt_sb == newmnt->mnt.mnt_sb && path->mnt->mnt_root == path->dentry) goto unlock; err = -EINVAL; - if (S_ISLNK(newmnt->mnt_root->d_inode->i_mode)) + if (S_ISLNK(newmnt->mnt.mnt_root->d_inode->i_mode)) goto unlock; - newmnt->mnt_flags = mnt_flags; + newmnt->mnt.mnt_flags = mnt_flags; err = graft_tree(newmnt, path); unlock: @@ -2027,7 +1867,7 @@ static int do_new_mount(struct path *path, char *type, int flags, if (IS_ERR(mnt)) return PTR_ERR(mnt); - err = do_add_mount(mnt, path, mnt_flags); + err = do_add_mount(real_mount(mnt), path, mnt_flags); if (err) mntput(mnt); return err; @@ -2035,11 +1875,12 @@ static int do_new_mount(struct path *path, char *type, int flags, int finish_automount(struct vfsmount *m, struct path *path) { + struct mount *mnt = real_mount(m); int err; /* The new mount record should have at least 2 refs to prevent it being * expired before we get a chance to add it */ - BUG_ON(mnt_get_count(m) < 2); + BUG_ON(mnt_get_count(mnt) < 2); if (m->mnt_sb == path->mnt->mnt_sb && m->mnt_root == path->dentry) { @@ -2047,15 +1888,15 @@ int finish_automount(struct vfsmount *m, struct path *path) goto fail; } - err = do_add_mount(m, path, path->mnt->mnt_flags | MNT_SHRINKABLE); + err = do_add_mount(mnt, path, path->mnt->mnt_flags | MNT_SHRINKABLE); if (!err) return 0; fail: /* remove m from any expiration list it may be on */ - if (!list_empty(&m->mnt_expire)) { + if (!list_empty(&mnt->mnt_expire)) { down_write(&namespace_sem); br_write_lock(vfsmount_lock); - list_del_init(&m->mnt_expire); + list_del_init(&mnt->mnt_expire); br_write_unlock(vfsmount_lock); up_write(&namespace_sem); } @@ -2074,7 +1915,7 @@ void mnt_set_expiry(struct vfsmount *mnt, struct list_head *expiry_list) down_write(&namespace_sem); br_write_lock(vfsmount_lock); - list_add_tail(&mnt->mnt_expire, expiry_list); + list_add_tail(&real_mount(mnt)->mnt_expire, expiry_list); br_write_unlock(vfsmount_lock); up_write(&namespace_sem); @@ -2088,7 +1929,7 @@ EXPORT_SYMBOL(mnt_set_expiry); */ void mark_mounts_for_expiry(struct list_head *mounts) { - struct vfsmount *mnt, *next; + struct mount *mnt, *next; LIST_HEAD(graveyard); LIST_HEAD(umounts); @@ -2111,7 +1952,7 @@ void mark_mounts_for_expiry(struct list_head *mounts) list_move(&mnt->mnt_expire, &graveyard); } while (!list_empty(&graveyard)) { - mnt = list_first_entry(&graveyard, struct vfsmount, mnt_expire); + mnt = list_first_entry(&graveyard, struct mount, mnt_expire); touch_mnt_namespace(mnt->mnt_ns); umount_tree(mnt, 1, &umounts); } @@ -2129,9 +1970,9 @@ EXPORT_SYMBOL_GPL(mark_mounts_for_expiry); * search the list of submounts for a given mountpoint, and move any * shrinkable submounts to the 'graveyard' list. */ -static int select_submounts(struct vfsmount *parent, struct list_head *graveyard) +static int select_submounts(struct mount *parent, struct list_head *graveyard) { - struct vfsmount *this_parent = parent; + struct mount *this_parent = parent; struct list_head *next; int found = 0; @@ -2140,10 +1981,10 @@ repeat: resume: while (next != &this_parent->mnt_mounts) { struct list_head *tmp = next; - struct vfsmount *mnt = list_entry(tmp, struct vfsmount, mnt_child); + struct mount *mnt = list_entry(tmp, struct mount, mnt_child); next = tmp->next; - if (!(mnt->mnt_flags & MNT_SHRINKABLE)) + if (!(mnt->mnt.mnt_flags & MNT_SHRINKABLE)) continue; /* * Descend a level if the d_mounts list is non-empty. @@ -2175,15 +2016,15 @@ resume: * * vfsmount_lock must be held for write */ -static void shrink_submounts(struct vfsmount *mnt, struct list_head *umounts) +static void shrink_submounts(struct mount *mnt, struct list_head *umounts) { LIST_HEAD(graveyard); - struct vfsmount *m; + struct mount *m; /* extract submounts of 'mountpoint' from the expiration list */ while (select_submounts(mnt, &graveyard)) { while (!list_empty(&graveyard)) { - m = list_first_entry(&graveyard, struct vfsmount, + m = list_first_entry(&graveyard, struct mount, mnt_expire); touch_mnt_namespace(m->mnt_ns); umount_tree(m, 1, umounts); @@ -2370,12 +2211,13 @@ static struct mnt_namespace *alloc_mnt_ns(void) void mnt_make_longterm(struct vfsmount *mnt) { - __mnt_make_longterm(mnt); + __mnt_make_longterm(real_mount(mnt)); } -void mnt_make_shortterm(struct vfsmount *mnt) +void mnt_make_shortterm(struct vfsmount *m) { #ifdef CONFIG_SMP + struct mount *mnt = real_mount(m); if (atomic_add_unless(&mnt->mnt_longterm, -1, 1)) return; br_write_lock(vfsmount_lock); @@ -2393,7 +2235,9 @@ static struct mnt_namespace *dup_mnt_ns(struct mnt_namespace *mnt_ns, { struct mnt_namespace *new_ns; struct vfsmount *rootmnt = NULL, *pwdmnt = NULL; - struct vfsmount *p, *q; + struct mount *p, *q; + struct mount *old = mnt_ns->root; + struct mount *new; new_ns = alloc_mnt_ns(); if (IS_ERR(new_ns)) @@ -2401,15 +2245,15 @@ static struct mnt_namespace *dup_mnt_ns(struct mnt_namespace *mnt_ns, down_write(&namespace_sem); /* First pass: copy the tree topology */ - new_ns->root = copy_tree(mnt_ns->root, mnt_ns->root->mnt_root, - CL_COPY_ALL | CL_EXPIRE); - if (!new_ns->root) { + new = copy_tree(old, old->mnt.mnt_root, CL_COPY_ALL | CL_EXPIRE); + if (!new) { up_write(&namespace_sem); kfree(new_ns); return ERR_PTR(-ENOMEM); } + new_ns->root = new; br_write_lock(vfsmount_lock); - list_add_tail(&new_ns->list, &new_ns->root->mnt_list); + list_add_tail(&new_ns->list, &new->mnt_list); br_write_unlock(vfsmount_lock); /* @@ -2417,27 +2261,27 @@ static struct mnt_namespace *dup_mnt_ns(struct mnt_namespace *mnt_ns, * as belonging to new namespace. We have already acquired a private * fs_struct, so tsk->fs->lock is not needed. */ - p = mnt_ns->root; - q = new_ns->root; + p = old; + q = new; while (p) { q->mnt_ns = new_ns; __mnt_make_longterm(q); if (fs) { - if (p == fs->root.mnt) { - fs->root.mnt = mntget(q); + if (&p->mnt == fs->root.mnt) { + fs->root.mnt = mntget(&q->mnt); __mnt_make_longterm(q); - mnt_make_shortterm(p); - rootmnt = p; + mnt_make_shortterm(&p->mnt); + rootmnt = &p->mnt; } - if (p == fs->pwd.mnt) { - fs->pwd.mnt = mntget(q); + if (&p->mnt == fs->pwd.mnt) { + fs->pwd.mnt = mntget(&q->mnt); __mnt_make_longterm(q); - mnt_make_shortterm(p); - pwdmnt = p; + mnt_make_shortterm(&p->mnt); + pwdmnt = &p->mnt; } } - p = next_mnt(p, mnt_ns->root); - q = next_mnt(q, new_ns->root); + p = next_mnt(p, old); + q = next_mnt(q, new); } up_write(&namespace_sem); @@ -2470,22 +2314,20 @@ struct mnt_namespace *copy_mnt_ns(unsigned long flags, struct mnt_namespace *ns, * create_mnt_ns - creates a private namespace and adds a root filesystem * @mnt: pointer to the new root filesystem mountpoint */ -struct mnt_namespace *create_mnt_ns(struct vfsmount *mnt) +static struct mnt_namespace *create_mnt_ns(struct vfsmount *m) { - struct mnt_namespace *new_ns; - - new_ns = alloc_mnt_ns(); + struct mnt_namespace *new_ns = alloc_mnt_ns(); if (!IS_ERR(new_ns)) { + struct mount *mnt = real_mount(m); mnt->mnt_ns = new_ns; __mnt_make_longterm(mnt); new_ns->root = mnt; - list_add(&new_ns->list, &new_ns->root->mnt_list); + list_add(&new_ns->list, &mnt->mnt_list); } else { - mntput(mnt); + mntput(m); } return new_ns; } -EXPORT_SYMBOL(create_mnt_ns); struct dentry *mount_subtree(struct vfsmount *mnt, const char *name) { @@ -2559,6 +2401,31 @@ out_type: } /* + * Return true if path is reachable from root + * + * namespace_sem or vfsmount_lock is held + */ +bool is_path_reachable(struct mount *mnt, struct dentry *dentry, + const struct path *root) +{ + while (&mnt->mnt != root->mnt && mnt_has_parent(mnt)) { + dentry = mnt->mnt_mountpoint; + mnt = mnt->mnt_parent; + } + return &mnt->mnt == root->mnt && is_subdir(dentry, root->dentry); +} + +int path_is_under(struct path *path1, struct path *path2) +{ + int res; + br_read_lock(vfsmount_lock); + res = is_path_reachable(real_mount(path1->mnt), path1->dentry, path2); + br_read_unlock(vfsmount_lock); + return res; +} +EXPORT_SYMBOL(path_is_under); + +/* * pivot_root Semantics: * Moves the root file system of the current process to the directory put_old, * makes new_root as the new root file system of the current process, and sets @@ -2586,8 +2453,8 @@ out_type: SYSCALL_DEFINE2(pivot_root, const char __user *, new_root, const char __user *, put_old) { - struct vfsmount *tmp; struct path new, old, parent_path, root_parent, root; + struct mount *new_mnt, *root_mnt; int error; if (!capable(CAP_SYS_ADMIN)) @@ -2611,11 +2478,13 @@ SYSCALL_DEFINE2(pivot_root, const char __user *, new_root, goto out3; error = -EINVAL; - if (IS_MNT_SHARED(old.mnt) || - IS_MNT_SHARED(new.mnt->mnt_parent) || - IS_MNT_SHARED(root.mnt->mnt_parent)) + new_mnt = real_mount(new.mnt); + root_mnt = real_mount(root.mnt); + if (IS_MNT_SHARED(real_mount(old.mnt)) || + IS_MNT_SHARED(new_mnt->mnt_parent) || + IS_MNT_SHARED(root_mnt->mnt_parent)) goto out4; - if (!check_mnt(root.mnt) || !check_mnt(new.mnt)) + if (!check_mnt(root_mnt) || !check_mnt(new_mnt)) goto out4; error = -ENOENT; if (d_unlinked(new.dentry)) @@ -2629,33 +2498,22 @@ SYSCALL_DEFINE2(pivot_root, const char __user *, new_root, error = -EINVAL; if (root.mnt->mnt_root != root.dentry) goto out4; /* not a mountpoint */ - if (root.mnt->mnt_parent == root.mnt) + if (!mnt_has_parent(root_mnt)) goto out4; /* not attached */ if (new.mnt->mnt_root != new.dentry) goto out4; /* not a mountpoint */ - if (new.mnt->mnt_parent == new.mnt) + if (!mnt_has_parent(new_mnt)) goto out4; /* not attached */ /* make sure we can reach put_old from new_root */ - tmp = old.mnt; - if (tmp != new.mnt) { - for (;;) { - if (tmp->mnt_parent == tmp) - goto out4; /* already mounted on put_old */ - if (tmp->mnt_parent == new.mnt) - break; - tmp = tmp->mnt_parent; - } - if (!is_subdir(tmp->mnt_mountpoint, new.dentry)) - goto out4; - } else if (!is_subdir(old.dentry, new.dentry)) + if (!is_path_reachable(real_mount(old.mnt), old.dentry, &new)) goto out4; br_write_lock(vfsmount_lock); - detach_mnt(new.mnt, &parent_path); - detach_mnt(root.mnt, &root_parent); + detach_mnt(new_mnt, &parent_path); + detach_mnt(root_mnt, &root_parent); /* mount old root on put_old */ - attach_mnt(root.mnt, &old); + attach_mnt(root_mnt, &old); /* mount new_root on / */ - attach_mnt(new.mnt, &root_parent); + attach_mnt(new_mnt, &root_parent); touch_mnt_namespace(current->nsproxy->mnt_ns); br_write_unlock(vfsmount_lock); chroot_fs_refs(&root, &new); @@ -2693,8 +2551,8 @@ static void __init init_mount_tree(void) init_task.nsproxy->mnt_ns = ns; get_mnt_ns(ns); - root.mnt = ns->root; - root.dentry = ns->root->mnt_root; + root.mnt = mnt; + root.dentry = mnt->mnt_root; set_fs_pwd(current->fs, &root); set_fs_root(current->fs, &root); @@ -2707,7 +2565,7 @@ void __init mnt_init(void) init_rwsem(&namespace_sem); - mnt_cache = kmem_cache_create("mnt_cache", sizeof(struct vfsmount), + mnt_cache = kmem_cache_create("mnt_cache", sizeof(struct mount), 0, SLAB_HWCACHE_ALIGN | SLAB_PANIC, NULL); mount_hashtable = (struct list_head *)__get_free_page(GFP_ATOMIC); @@ -2747,7 +2605,6 @@ void put_mnt_ns(struct mnt_namespace *ns) release_mounts(&umount_list); kfree(ns); } -EXPORT_SYMBOL(put_mnt_ns); struct vfsmount *kern_mount_data(struct file_system_type *type, void *data) { @@ -2776,5 +2633,5 @@ EXPORT_SYMBOL(kern_unmount); bool our_mnt(struct vfsmount *mnt) { - return check_mnt(mnt); + return check_mnt(real_mount(mnt)); } diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c index 9c51f621e901..aeed93a6bde0 100644 --- a/fs/ncpfs/dir.c +++ b/fs/ncpfs/dir.c @@ -30,15 +30,15 @@ static void ncp_do_readdir(struct file *, void *, filldir_t, static int ncp_readdir(struct file *, void *, filldir_t); -static int ncp_create(struct inode *, struct dentry *, int, struct nameidata *); +static int ncp_create(struct inode *, struct dentry *, umode_t, struct nameidata *); static struct dentry *ncp_lookup(struct inode *, struct dentry *, struct nameidata *); static int ncp_unlink(struct inode *, struct dentry *); -static int ncp_mkdir(struct inode *, struct dentry *, int); +static int ncp_mkdir(struct inode *, struct dentry *, umode_t); static int ncp_rmdir(struct inode *, struct dentry *); static int ncp_rename(struct inode *, struct dentry *, struct inode *, struct dentry *); static int ncp_mknod(struct inode * dir, struct dentry *dentry, - int mode, dev_t rdev); + umode_t mode, dev_t rdev); #if defined(CONFIG_NCPFS_EXTRAS) || defined(CONFIG_NCPFS_NFS_NS) extern int ncp_symlink(struct inode *, struct dentry *, const char *); #else @@ -919,7 +919,7 @@ out_close: goto out; } -int ncp_create_new(struct inode *dir, struct dentry *dentry, int mode, +int ncp_create_new(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rdev, __le32 attributes) { struct ncp_server *server = NCP_SERVER(dir); @@ -928,7 +928,7 @@ int ncp_create_new(struct inode *dir, struct dentry *dentry, int mode, int opmode; __u8 __name[NCP_MAXPATHLEN + 1]; - PPRINTK("ncp_create_new: creating %s/%s, mode=%x\n", + PPRINTK("ncp_create_new: creating %s/%s, mode=%hx\n", dentry->d_parent->d_name.name, dentry->d_name.name, mode); ncp_age_dentry(server, dentry); @@ -979,13 +979,13 @@ out: return error; } -static int ncp_create(struct inode *dir, struct dentry *dentry, int mode, +static int ncp_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { return ncp_create_new(dir, dentry, mode, 0, 0); } -static int ncp_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int ncp_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { struct ncp_entry_info finfo; struct ncp_server *server = NCP_SERVER(dir); @@ -1201,12 +1201,12 @@ out: } static int ncp_mknod(struct inode * dir, struct dentry *dentry, - int mode, dev_t rdev) + umode_t mode, dev_t rdev) { if (!new_valid_dev(rdev)) return -EINVAL; if (ncp_is_nfs_extras(NCP_SERVER(dir), NCP_FINFO(dir)->volNumber)) { - DPRINTK(KERN_DEBUG "ncp_mknod: mode = 0%o\n", mode); + DPRINTK(KERN_DEBUG "ncp_mknod: mode = 0%ho\n", mode); return ncp_create_new(dir, dentry, mode, rdev, 0); } return -EPERM; /* Strange, but true */ diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c index cbd1a61c110a..3d1e34f8a68e 100644 --- a/fs/ncpfs/inode.c +++ b/fs/ncpfs/inode.c @@ -44,7 +44,7 @@ static void ncp_evict_inode(struct inode *); static void ncp_put_super(struct super_block *); static int ncp_statfs(struct dentry *, struct kstatfs *); -static int ncp_show_options(struct seq_file *, struct vfsmount *); +static int ncp_show_options(struct seq_file *, struct dentry *); static struct kmem_cache * ncp_inode_cachep; @@ -60,7 +60,6 @@ static struct inode *ncp_alloc_inode(struct super_block *sb) static void ncp_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(ncp_inode_cachep, NCP_FINFO(inode)); } @@ -323,9 +322,9 @@ static void ncp_stop_tasks(struct ncp_server *server) { flush_work_sync(&server->timeout_tq); } -static int ncp_show_options(struct seq_file *seq, struct vfsmount *mnt) +static int ncp_show_options(struct seq_file *seq, struct dentry *root) { - struct ncp_server *server = NCP_SBP(mnt->mnt_sb); + struct ncp_server *server = NCP_SBP(root->d_sb); unsigned int tmp; if (server->m.uid != 0) diff --git a/fs/ncpfs/ioctl.c b/fs/ncpfs/ioctl.c index 790e92a9ec63..6958adfaff08 100644 --- a/fs/ncpfs/ioctl.c +++ b/fs/ncpfs/ioctl.c @@ -901,7 +901,7 @@ long ncp_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) ret = __ncp_ioctl(inode, cmd, arg); outDropWrite: if (need_drop_write) - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); out: return ret; } diff --git a/fs/ncpfs/ncplib_kernel.h b/fs/ncpfs/ncplib_kernel.h index 09881e6aa5ad..32c06587351a 100644 --- a/fs/ncpfs/ncplib_kernel.h +++ b/fs/ncpfs/ncplib_kernel.h @@ -114,7 +114,7 @@ int ncp_dirhandle_alloc(struct ncp_server *, __u8 vol, __le32 dirent, __u8 *dirh int ncp_dirhandle_free(struct ncp_server *, __u8 dirhandle); int ncp_create_new(struct inode *dir, struct dentry *dentry, - int mode, dev_t rdev, __le32 attributes); + umode_t mode, dev_t rdev, __le32 attributes); static inline int ncp_is_nfs_extras(struct ncp_server* server, unsigned int volnum) { #ifdef CONFIG_NCPFS_NFS_NS diff --git a/fs/ncpfs/symlink.c b/fs/ncpfs/symlink.c index 661f861d80c6..52439ddc8de0 100644 --- a/fs/ncpfs/symlink.c +++ b/fs/ncpfs/symlink.c @@ -108,7 +108,7 @@ int ncp_symlink(struct inode *dir, struct dentry *dentry, const char *symname) { char *rawlink; int length, err, i, outlen; int kludge; - int mode; + umode_t mode; __le32 attr; unsigned int hdr; diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index ac2899098147..fd9a872fada0 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -47,13 +47,13 @@ static int nfs_opendir(struct inode *, struct file *); static int nfs_closedir(struct inode *, struct file *); static int nfs_readdir(struct file *, void *, filldir_t); static struct dentry *nfs_lookup(struct inode *, struct dentry *, struct nameidata *); -static int nfs_create(struct inode *, struct dentry *, int, struct nameidata *); -static int nfs_mkdir(struct inode *, struct dentry *, int); +static int nfs_create(struct inode *, struct dentry *, umode_t, struct nameidata *); +static int nfs_mkdir(struct inode *, struct dentry *, umode_t); static int nfs_rmdir(struct inode *, struct dentry *); static int nfs_unlink(struct inode *, struct dentry *); static int nfs_symlink(struct inode *, struct dentry *, const char *); static int nfs_link(struct dentry *, struct inode *, struct dentry *); -static int nfs_mknod(struct inode *, struct dentry *, int, dev_t); +static int nfs_mknod(struct inode *, struct dentry *, umode_t, dev_t); static int nfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *); static int nfs_fsync_dir(struct file *, loff_t, loff_t, int); @@ -112,7 +112,7 @@ const struct inode_operations nfs3_dir_inode_operations = { #ifdef CONFIG_NFS_V4 static struct dentry *nfs_atomic_lookup(struct inode *, struct dentry *, struct nameidata *); -static int nfs_open_create(struct inode *dir, struct dentry *dentry, int mode, struct nameidata *nd); +static int nfs_open_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd); const struct inode_operations nfs4_dir_inode_operations = { .create = nfs_open_create, .lookup = nfs_atomic_lookup, @@ -1368,18 +1368,7 @@ static fmode_t flags_to_mode(int flags) static struct nfs_open_context *create_nfs_open_context(struct dentry *dentry, int open_flags) { - struct nfs_open_context *ctx; - struct rpc_cred *cred; - fmode_t fmode = flags_to_mode(open_flags); - - cred = rpc_lookup_cred(); - if (IS_ERR(cred)) - return ERR_CAST(cred); - ctx = alloc_nfs_open_context(dentry, cred, fmode); - put_rpccred(cred); - if (ctx == NULL) - return ERR_PTR(-ENOMEM); - return ctx; + return alloc_nfs_open_context(dentry, flags_to_mode(open_flags)); } static int do_open(struct inode *inode, struct file *filp) @@ -1584,8 +1573,8 @@ no_open: return nfs_lookup_revalidate(dentry, nd); } -static int nfs_open_create(struct inode *dir, struct dentry *dentry, int mode, - struct nameidata *nd) +static int nfs_open_create(struct inode *dir, struct dentry *dentry, + umode_t mode, struct nameidata *nd) { struct nfs_open_context *ctx = NULL; struct iattr attr; @@ -1675,8 +1664,8 @@ out_error: * that the operation succeeded on the server, but an error in the * reply path made it appear to have failed. */ -static int nfs_create(struct inode *dir, struct dentry *dentry, int mode, - struct nameidata *nd) +static int nfs_create(struct inode *dir, struct dentry *dentry, + umode_t mode, struct nameidata *nd) { struct iattr attr; int error; @@ -1704,7 +1693,7 @@ out_err: * See comments for nfs_proc_create regarding failed operations. */ static int -nfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev) +nfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rdev) { struct iattr attr; int status; @@ -1730,7 +1719,7 @@ out_err: /* * See comments for nfs_proc_create regarding failed operations. */ -static int nfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int nfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { struct iattr attr; int error; diff --git a/fs/nfs/inode.c b/fs/nfs/inode.c index 50a15fa8cf98..6f00086e340f 100644 --- a/fs/nfs/inode.c +++ b/fs/nfs/inode.c @@ -629,23 +629,28 @@ void nfs_close_context(struct nfs_open_context *ctx, int is_sync) nfs_revalidate_inode(server, inode); } -struct nfs_open_context *alloc_nfs_open_context(struct dentry *dentry, struct rpc_cred *cred, fmode_t f_mode) +struct nfs_open_context *alloc_nfs_open_context(struct dentry *dentry, fmode_t f_mode) { struct nfs_open_context *ctx; + struct rpc_cred *cred = rpc_lookup_cred(); + if (IS_ERR(cred)) + return ERR_CAST(cred); ctx = kmalloc(sizeof(*ctx), GFP_KERNEL); - if (ctx != NULL) { - nfs_sb_active(dentry->d_sb); - ctx->dentry = dget(dentry); - ctx->cred = get_rpccred(cred); - ctx->state = NULL; - ctx->mode = f_mode; - ctx->flags = 0; - ctx->error = 0; - nfs_init_lock_context(&ctx->lock_context); - ctx->lock_context.open_context = ctx; - INIT_LIST_HEAD(&ctx->list); + if (!ctx) { + put_rpccred(cred); + return ERR_PTR(-ENOMEM); } + nfs_sb_active(dentry->d_sb); + ctx->dentry = dget(dentry); + ctx->cred = cred; + ctx->state = NULL; + ctx->mode = f_mode; + ctx->flags = 0; + ctx->error = 0; + nfs_init_lock_context(&ctx->lock_context); + ctx->lock_context.open_context = ctx; + INIT_LIST_HEAD(&ctx->list); return ctx; } @@ -738,15 +743,10 @@ static void nfs_file_clear_open_context(struct file *filp) int nfs_open(struct inode *inode, struct file *filp) { struct nfs_open_context *ctx; - struct rpc_cred *cred; - cred = rpc_lookup_cred(); - if (IS_ERR(cred)) - return PTR_ERR(cred); - ctx = alloc_nfs_open_context(filp->f_path.dentry, cred, filp->f_mode); - put_rpccred(cred); - if (ctx == NULL) - return -ENOMEM; + ctx = alloc_nfs_open_context(filp->f_path.dentry, filp->f_mode); + if (IS_ERR(ctx)) + return PTR_ERR(ctx); nfs_file_set_open_context(filp, ctx); put_nfs_open_context(ctx); nfs_fscache_set_inode_cookie(inode, filp); @@ -1464,7 +1464,6 @@ struct inode *nfs_alloc_inode(struct super_block *sb) static void nfs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(nfs_inode_cachep, NFS_I(inode)); } diff --git a/fs/nfs/super.c b/fs/nfs/super.c index 134777406ee3..e463967aafb8 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -41,7 +41,6 @@ #include <linux/lockd/bind.h> #include <linux/seq_file.h> #include <linux/mount.h> -#include <linux/mnt_namespace.h> #include <linux/namei.h> #include <linux/nfs_idmap.h> #include <linux/vfs.h> @@ -263,10 +262,10 @@ static match_table_t nfs_local_lock_tokens = { static void nfs_umount_begin(struct super_block *); static int nfs_statfs(struct dentry *, struct kstatfs *); -static int nfs_show_options(struct seq_file *, struct vfsmount *); -static int nfs_show_devname(struct seq_file *, struct vfsmount *); -static int nfs_show_path(struct seq_file *, struct vfsmount *); -static int nfs_show_stats(struct seq_file *, struct vfsmount *); +static int nfs_show_options(struct seq_file *, struct dentry *); +static int nfs_show_devname(struct seq_file *, struct dentry *); +static int nfs_show_path(struct seq_file *, struct dentry *); +static int nfs_show_stats(struct seq_file *, struct dentry *); static struct dentry *nfs_fs_mount(struct file_system_type *, int, const char *, void *); static struct dentry *nfs_xdev_mount(struct file_system_type *fs_type, @@ -721,9 +720,9 @@ static void nfs_show_mount_options(struct seq_file *m, struct nfs_server *nfss, /* * Describe the mount options on this VFS mountpoint */ -static int nfs_show_options(struct seq_file *m, struct vfsmount *mnt) +static int nfs_show_options(struct seq_file *m, struct dentry *root) { - struct nfs_server *nfss = NFS_SB(mnt->mnt_sb); + struct nfs_server *nfss = NFS_SB(root->d_sb); nfs_show_mount_options(m, nfss, 0); @@ -761,14 +760,14 @@ static void show_pnfs(struct seq_file *m, struct nfs_server *server) {} #endif #endif -static int nfs_show_devname(struct seq_file *m, struct vfsmount *mnt) +static int nfs_show_devname(struct seq_file *m, struct dentry *root) { char *page = (char *) __get_free_page(GFP_KERNEL); char *devname, *dummy; int err = 0; if (!page) return -ENOMEM; - devname = nfs_path(&dummy, mnt->mnt_root, page, PAGE_SIZE); + devname = nfs_path(&dummy, root, page, PAGE_SIZE); if (IS_ERR(devname)) err = PTR_ERR(devname); else @@ -777,7 +776,7 @@ static int nfs_show_devname(struct seq_file *m, struct vfsmount *mnt) return err; } -static int nfs_show_path(struct seq_file *m, struct vfsmount *mnt) +static int nfs_show_path(struct seq_file *m, struct dentry *dentry) { seq_puts(m, "/"); return 0; @@ -786,10 +785,10 @@ static int nfs_show_path(struct seq_file *m, struct vfsmount *mnt) /* * Present statistical information for this VFS mountpoint */ -static int nfs_show_stats(struct seq_file *m, struct vfsmount *mnt) +static int nfs_show_stats(struct seq_file *m, struct dentry *root) { int i, cpu; - struct nfs_server *nfss = NFS_SB(mnt->mnt_sb); + struct nfs_server *nfss = NFS_SB(root->d_sb); struct rpc_auth *auth = nfss->client->cl_auth; struct nfs_iostats totals = { }; @@ -799,10 +798,10 @@ static int nfs_show_stats(struct seq_file *m, struct vfsmount *mnt) * Display all mount option settings */ seq_printf(m, "\n\topts:\t"); - seq_puts(m, mnt->mnt_sb->s_flags & MS_RDONLY ? "ro" : "rw"); - seq_puts(m, mnt->mnt_sb->s_flags & MS_SYNCHRONOUS ? ",sync" : ""); - seq_puts(m, mnt->mnt_sb->s_flags & MS_NOATIME ? ",noatime" : ""); - seq_puts(m, mnt->mnt_sb->s_flags & MS_NODIRATIME ? ",nodiratime" : ""); + seq_puts(m, root->d_sb->s_flags & MS_RDONLY ? "ro" : "rw"); + seq_puts(m, root->d_sb->s_flags & MS_SYNCHRONOUS ? ",sync" : ""); + seq_puts(m, root->d_sb->s_flags & MS_NOATIME ? ",noatime" : ""); + seq_puts(m, root->d_sb->s_flags & MS_NODIRATIME ? ",nodiratime" : ""); nfs_show_mount_options(m, nfss, 1); seq_printf(m, "\n\tage:\t%lu", (jiffies - nfss->mount_time) / HZ); @@ -2788,11 +2787,15 @@ static struct dentry *nfs_follow_remote_path(struct vfsmount *root_mnt, const char *export_path) { struct dentry *dentry; - int ret = nfs_referral_loop_protect(); + int err; - if (ret) { + if (IS_ERR(root_mnt)) + return ERR_CAST(root_mnt); + + err = nfs_referral_loop_protect(); + if (err) { mntput(root_mnt); - return ERR_PTR(ret); + return ERR_PTR(err); } dentry = mount_subtree(root_mnt, export_path); @@ -2816,9 +2819,7 @@ static struct dentry *nfs4_try_mount(int flags, const char *dev_name, data->nfs_server.hostname); data->nfs_server.export_path = export_path; - res = ERR_CAST(root_mnt); - if (!IS_ERR(root_mnt)) - res = nfs_follow_remote_path(root_mnt, export_path); + res = nfs_follow_remote_path(root_mnt, export_path); dfprintk(MOUNT, "<-- nfs4_try_mount() = %ld%s\n", IS_ERR(res) ? PTR_ERR(res) : 0, @@ -3079,9 +3080,7 @@ static struct dentry *nfs4_referral_mount(struct file_system_type *fs_type, flags, data, data->hostname); data->mnt_path = export_path; - res = ERR_CAST(root_mnt); - if (!IS_ERR(root_mnt)) - res = nfs_follow_remote_path(root_mnt, export_path); + res = nfs_follow_remote_path(root_mnt, export_path); dprintk("<-- nfs4_referral_mount() = %ld%s\n", IS_ERR(res) ? PTR_ERR(res) : 0, IS_ERR(res) ? " [error]" : ""); diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c index fa383361bc61..c5e28ed8bca0 100644 --- a/fs/nfsd/nfs4proc.c +++ b/fs/nfsd/nfs4proc.c @@ -838,7 +838,7 @@ nfsd4_setattr(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, return status; } } - status = mnt_want_write(cstate->current_fh.fh_export->ex_path.mnt); + status = fh_want_write(&cstate->current_fh); if (status) return status; status = nfs_ok; @@ -856,7 +856,7 @@ nfsd4_setattr(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate, status = nfsd_setattr(rqstp, &cstate->current_fh, &setattr->sa_iattr, 0, (time_t)0); out: - mnt_drop_write(cstate->current_fh.fh_export->ex_path.mnt); + fh_drop_write(&cstate->current_fh); return status; } diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c index ed083b9a731b..80a0be9ed008 100644 --- a/fs/nfsd/nfs4recover.c +++ b/fs/nfsd/nfs4recover.c @@ -147,11 +147,11 @@ nfsd4_create_clid_dir(struct nfs4_client *clp) status = -EEXIST; if (dentry->d_inode) goto out_put; - status = mnt_want_write(rec_file->f_path.mnt); + status = mnt_want_write_file(rec_file); if (status) goto out_put; status = vfs_mkdir(dir->d_inode, dentry, S_IRWXU); - mnt_drop_write(rec_file->f_path.mnt); + mnt_drop_write_file(rec_file); out_put: dput(dentry); out_unlock: @@ -268,7 +268,7 @@ nfsd4_remove_clid_dir(struct nfs4_client *clp) if (!rec_file || !clp->cl_firststate) return; - status = mnt_want_write(rec_file->f_path.mnt); + status = mnt_want_write_file(rec_file); if (status) goto out; clp->cl_firststate = 0; @@ -281,7 +281,7 @@ nfsd4_remove_clid_dir(struct nfs4_client *clp) nfs4_reset_creds(original_cred); if (status == 0) vfs_fsync(rec_file, 0); - mnt_drop_write(rec_file->f_path.mnt); + mnt_drop_write_file(rec_file); out: if (status) printk("NFSD: Failed to remove expired client state directory" @@ -311,13 +311,13 @@ nfsd4_recdir_purge_old(void) { if (!rec_file) return; - status = mnt_want_write(rec_file->f_path.mnt); + status = mnt_want_write_file(rec_file); if (status) goto out; status = nfsd4_list_rec_dir(purge_old); if (status == 0) vfs_fsync(rec_file, 0); - mnt_drop_write(rec_file->f_path.mnt); + mnt_drop_write_file(rec_file); out: if (status) printk("nfsd4: failed to purge old clients from recovery" diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index c45a2ea4a090..bb4a11d58a5a 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -272,7 +272,7 @@ static ssize_t write_unlock_fs(struct file *file, char *buf, size_t size) * 2. Is that directory a mount point, or * 3. Is that directory the root of an exported file system? */ - error = nlmsvc_unlock_all_by_sb(path.mnt->mnt_sb); + error = nlmsvc_unlock_all_by_sb(path.dentry->d_sb); path_put(&path); return error; diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c index c763de5c1157..68454e75fce9 100644 --- a/fs/nfsd/nfsfh.c +++ b/fs/nfsd/nfsfh.c @@ -59,7 +59,7 @@ static int nfsd_acceptable(void *expv, struct dentry *dentry) * the write call). */ static inline __be32 -nfsd_mode_check(struct svc_rqst *rqstp, umode_t mode, int requested) +nfsd_mode_check(struct svc_rqst *rqstp, umode_t mode, umode_t requested) { mode &= S_IFMT; @@ -293,7 +293,7 @@ out: * include/linux/nfsd/nfsd.h. */ __be32 -fh_verify(struct svc_rqst *rqstp, struct svc_fh *fhp, int type, int access) +fh_verify(struct svc_rqst *rqstp, struct svc_fh *fhp, umode_t type, int access) { struct svc_export *exp; struct dentry *dentry; diff --git a/fs/nfsd/nfsfh.h b/fs/nfsd/nfsfh.h index c16f8d8331b5..e5e6707ba687 100644 --- a/fs/nfsd/nfsfh.h +++ b/fs/nfsd/nfsfh.h @@ -102,7 +102,7 @@ extern char * SVCFH_fmt(struct svc_fh *fhp); /* * Function prototypes */ -__be32 fh_verify(struct svc_rqst *, struct svc_fh *, int, int); +__be32 fh_verify(struct svc_rqst *, struct svc_fh *, umode_t, int); __be32 fh_compose(struct svc_fh *, struct svc_export *, struct dentry *, struct svc_fh *); __be32 fh_update(struct svc_fh *); void fh_put(struct svc_fh *); diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 7a2e442623c8..d25a723b68ad 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -307,7 +307,7 @@ nfsd_setattr(struct svc_rqst *rqstp, struct svc_fh *fhp, struct iattr *iap, struct dentry *dentry; struct inode *inode; int accmode = NFSD_MAY_SATTR; - int ftype = 0; + umode_t ftype = 0; __be32 err; int host_err; int size_change = 0; @@ -730,7 +730,7 @@ static int nfsd_open_break_lease(struct inode *inode, int access) * N.B. After this call fhp needs an fh_put */ __be32 -nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, int type, +nfsd_open(struct svc_rqst *rqstp, struct svc_fh *fhp, umode_t type, int access, struct file **filp) { struct dentry *dentry; @@ -1300,7 +1300,7 @@ nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp, goto out; } - host_err = mnt_want_write(fhp->fh_export->ex_path.mnt); + host_err = fh_want_write(fhp); if (host_err) goto out_nfserr; @@ -1325,7 +1325,7 @@ nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp, break; } if (host_err < 0) { - mnt_drop_write(fhp->fh_export->ex_path.mnt); + fh_drop_write(fhp); goto out_nfserr; } @@ -1339,7 +1339,7 @@ nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp, err2 = nfserrno(commit_metadata(fhp)); if (err2) err = err2; - mnt_drop_write(fhp->fh_export->ex_path.mnt); + fh_drop_write(fhp); /* * Update the file handle to get the new inode info. */ @@ -1430,7 +1430,7 @@ do_nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp, v_atime = verifier[1]&0x7fffffff; } - host_err = mnt_want_write(fhp->fh_export->ex_path.mnt); + host_err = fh_want_write(fhp); if (host_err) goto out_nfserr; if (dchild->d_inode) { @@ -1469,13 +1469,13 @@ do_nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp, case NFS3_CREATE_GUARDED: err = nfserr_exist; } - mnt_drop_write(fhp->fh_export->ex_path.mnt); + fh_drop_write(fhp); goto out; } host_err = vfs_create(dirp, dchild, iap->ia_mode, NULL); if (host_err < 0) { - mnt_drop_write(fhp->fh_export->ex_path.mnt); + fh_drop_write(fhp); goto out_nfserr; } if (created) @@ -1503,7 +1503,7 @@ do_nfsd_create(struct svc_rqst *rqstp, struct svc_fh *fhp, if (!err) err = nfserrno(commit_metadata(fhp)); - mnt_drop_write(fhp->fh_export->ex_path.mnt); + fh_drop_write(fhp); /* * Update the filehandle to get the new inode info. */ @@ -1600,7 +1600,7 @@ nfsd_symlink(struct svc_rqst *rqstp, struct svc_fh *fhp, if (IS_ERR(dnew)) goto out_nfserr; - host_err = mnt_want_write(fhp->fh_export->ex_path.mnt); + host_err = fh_want_write(fhp); if (host_err) goto out_nfserr; @@ -1621,7 +1621,7 @@ nfsd_symlink(struct svc_rqst *rqstp, struct svc_fh *fhp, err = nfserrno(commit_metadata(fhp)); fh_unlock(fhp); - mnt_drop_write(fhp->fh_export->ex_path.mnt); + fh_drop_write(fhp); cerr = fh_compose(resfhp, fhp->fh_export, dnew, fhp); dput(dnew); @@ -1674,7 +1674,7 @@ nfsd_link(struct svc_rqst *rqstp, struct svc_fh *ffhp, dold = tfhp->fh_dentry; - host_err = mnt_want_write(tfhp->fh_export->ex_path.mnt); + host_err = fh_want_write(tfhp); if (host_err) { err = nfserrno(host_err); goto out_dput; @@ -1699,7 +1699,7 @@ nfsd_link(struct svc_rqst *rqstp, struct svc_fh *ffhp, err = nfserrno(host_err); } out_drop_write: - mnt_drop_write(tfhp->fh_export->ex_path.mnt); + fh_drop_write(tfhp); out_dput: dput(dnew); out_unlock: @@ -1776,7 +1776,7 @@ nfsd_rename(struct svc_rqst *rqstp, struct svc_fh *ffhp, char *fname, int flen, host_err = -EXDEV; if (ffhp->fh_export->ex_path.mnt != tfhp->fh_export->ex_path.mnt) goto out_dput_new; - host_err = mnt_want_write(ffhp->fh_export->ex_path.mnt); + host_err = fh_want_write(ffhp); if (host_err) goto out_dput_new; @@ -1795,7 +1795,7 @@ nfsd_rename(struct svc_rqst *rqstp, struct svc_fh *ffhp, char *fname, int flen, host_err = commit_metadata(ffhp); } out_drop_write: - mnt_drop_write(ffhp->fh_export->ex_path.mnt); + fh_drop_write(ffhp); out_dput_new: dput(ndentry); out_dput_old: @@ -1854,7 +1854,7 @@ nfsd_unlink(struct svc_rqst *rqstp, struct svc_fh *fhp, int type, if (!type) type = rdentry->d_inode->i_mode & S_IFMT; - host_err = mnt_want_write(fhp->fh_export->ex_path.mnt); + host_err = fh_want_write(fhp); if (host_err) goto out_put; @@ -1868,7 +1868,7 @@ nfsd_unlink(struct svc_rqst *rqstp, struct svc_fh *fhp, int type, if (!host_err) host_err = commit_metadata(fhp); out_drop_write: - mnt_drop_write(fhp->fh_export->ex_path.mnt); + fh_drop_write(fhp); out_put: dput(rdentry); @@ -2270,7 +2270,7 @@ nfsd_set_posix_acl(struct svc_fh *fhp, int type, struct posix_acl *acl) } else size = 0; - error = mnt_want_write(fhp->fh_export->ex_path.mnt); + error = fh_want_write(fhp); if (error) goto getout; if (size) @@ -2284,7 +2284,7 @@ nfsd_set_posix_acl(struct svc_fh *fhp, int type, struct posix_acl *acl) error = 0; } } - mnt_drop_write(fhp->fh_export->ex_path.mnt); + fh_drop_write(fhp); getout: kfree(value); diff --git a/fs/nfsd/vfs.h b/fs/nfsd/vfs.h index 3f54ad03bb2b..1dcd238e11a0 100644 --- a/fs/nfsd/vfs.h +++ b/fs/nfsd/vfs.h @@ -66,7 +66,7 @@ __be32 do_nfsd_create(struct svc_rqst *, struct svc_fh *, __be32 nfsd_commit(struct svc_rqst *, struct svc_fh *, loff_t, unsigned long); #endif /* CONFIG_NFSD_V3 */ -__be32 nfsd_open(struct svc_rqst *, struct svc_fh *, int, +__be32 nfsd_open(struct svc_rqst *, struct svc_fh *, umode_t, int, struct file **); void nfsd_close(struct file *); __be32 nfsd_read(struct svc_rqst *, struct svc_fh *, @@ -106,4 +106,14 @@ struct posix_acl *nfsd_get_posix_acl(struct svc_fh *, int); int nfsd_set_posix_acl(struct svc_fh *, int, struct posix_acl *); #endif +static inline int fh_want_write(struct svc_fh *fh) +{ + return mnt_want_write(fh->fh_export->ex_path.mnt); +} + +static inline void fh_drop_write(struct svc_fh *fh) +{ + mnt_drop_write(fh->fh_export->ex_path.mnt); +} + #endif /* LINUX_NFSD_VFS_H */ diff --git a/fs/nilfs2/dir.c b/fs/nilfs2/dir.c index 3a1923943b14..ca35b3a46d17 100644 --- a/fs/nilfs2/dir.c +++ b/fs/nilfs2/dir.c @@ -251,7 +251,7 @@ nilfs_type_by_mode[S_IFMT >> S_SHIFT] = { static void nilfs_set_de_type(struct nilfs_dir_entry *de, struct inode *inode) { - mode_t mode = inode->i_mode; + umode_t mode = inode->i_mode; de->file_type = nilfs_type_by_mode[(mode & S_IFMT)>>S_SHIFT]; } diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c index b50ffb72e5b3..8f7b95ac1f7e 100644 --- a/fs/nilfs2/inode.c +++ b/fs/nilfs2/inode.c @@ -291,7 +291,7 @@ const struct address_space_operations nilfs_aops = { .is_partially_uptodate = block_is_partially_uptodate, }; -struct inode *nilfs_new_inode(struct inode *dir, int mode) +struct inode *nilfs_new_inode(struct inode *dir, umode_t mode) { struct super_block *sb = dir->i_sb; struct the_nilfs *nilfs = sb->s_fs_info; diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c index ac258beeda3c..886649627c3d 100644 --- a/fs/nilfs2/ioctl.c +++ b/fs/nilfs2/ioctl.c @@ -27,7 +27,7 @@ #include <linux/uaccess.h> /* copy_from_user(), copy_to_user() */ #include <linux/vmalloc.h> #include <linux/compat.h> /* compat_ptr() */ -#include <linux/mount.h> /* mnt_want_write(), mnt_drop_write() */ +#include <linux/mount.h> /* mnt_want_write_file(), mnt_drop_write_file() */ #include <linux/buffer_head.h> #include <linux/nilfs2_fs.h> #include "nilfs.h" @@ -119,7 +119,7 @@ static int nilfs_ioctl_setflags(struct inode *inode, struct file *filp, if (get_user(flags, (int __user *)argp)) return -EFAULT; - ret = mnt_want_write(filp->f_path.mnt); + ret = mnt_want_write_file(filp); if (ret) return ret; @@ -154,7 +154,7 @@ static int nilfs_ioctl_setflags(struct inode *inode, struct file *filp, ret = nilfs_transaction_commit(inode->i_sb); out: mutex_unlock(&inode->i_mutex); - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); return ret; } @@ -174,7 +174,7 @@ static int nilfs_ioctl_change_cpmode(struct inode *inode, struct file *filp, if (!capable(CAP_SYS_ADMIN)) return -EPERM; - ret = mnt_want_write(filp->f_path.mnt); + ret = mnt_want_write_file(filp); if (ret) return ret; @@ -194,7 +194,7 @@ static int nilfs_ioctl_change_cpmode(struct inode *inode, struct file *filp, up_read(&inode->i_sb->s_umount); out: - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); return ret; } @@ -210,7 +210,7 @@ nilfs_ioctl_delete_checkpoint(struct inode *inode, struct file *filp, if (!capable(CAP_SYS_ADMIN)) return -EPERM; - ret = mnt_want_write(filp->f_path.mnt); + ret = mnt_want_write_file(filp); if (ret) return ret; @@ -225,7 +225,7 @@ nilfs_ioctl_delete_checkpoint(struct inode *inode, struct file *filp, else nilfs_transaction_commit(inode->i_sb); /* never fails */ out: - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); return ret; } @@ -591,7 +591,7 @@ static int nilfs_ioctl_clean_segments(struct inode *inode, struct file *filp, if (!capable(CAP_SYS_ADMIN)) return -EPERM; - ret = mnt_want_write(filp->f_path.mnt); + ret = mnt_want_write_file(filp); if (ret) return ret; @@ -675,7 +675,7 @@ out_free: vfree(kbufs[n]); kfree(kbufs[4]); out: - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); return ret; } @@ -710,7 +710,7 @@ static int nilfs_ioctl_resize(struct inode *inode, struct file *filp, if (!capable(CAP_SYS_ADMIN)) goto out; - ret = mnt_want_write(filp->f_path.mnt); + ret = mnt_want_write_file(filp); if (ret) goto out; @@ -721,7 +721,7 @@ static int nilfs_ioctl_resize(struct inode *inode, struct file *filp, ret = nilfs_resize_fs(inode->i_sb, newsize); out_drop_write: - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); out: return ret; } diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c index 768982de10e4..1cd3f624dffc 100644 --- a/fs/nilfs2/namei.c +++ b/fs/nilfs2/namei.c @@ -84,7 +84,7 @@ nilfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) * If the create succeeds, we fill in the inode information * with d_instantiate(). */ -static int nilfs_create(struct inode *dir, struct dentry *dentry, int mode, +static int nilfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { struct inode *inode; @@ -112,7 +112,7 @@ static int nilfs_create(struct inode *dir, struct dentry *dentry, int mode, } static int -nilfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t rdev) +nilfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rdev) { struct inode *inode; struct nilfs_transaction_info ti; @@ -213,7 +213,7 @@ static int nilfs_link(struct dentry *old_dentry, struct inode *dir, return err; } -static int nilfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int nilfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { struct inode *inode; struct nilfs_transaction_info ti; diff --git a/fs/nilfs2/nilfs.h b/fs/nilfs2/nilfs.h index 3777d138f895..250add84da76 100644 --- a/fs/nilfs2/nilfs.h +++ b/fs/nilfs2/nilfs.h @@ -246,7 +246,7 @@ int nilfs_ioctl_prepare_clean_segments(struct the_nilfs *, struct nilfs_argv *, /* inode.c */ void nilfs_inode_add_blocks(struct inode *inode, int n); void nilfs_inode_sub_blocks(struct inode *inode, int n); -extern struct inode *nilfs_new_inode(struct inode *, int); +extern struct inode *nilfs_new_inode(struct inode *, umode_t); extern void nilfs_free_inode(struct inode *); extern int nilfs_get_block(struct inode *, sector_t, struct buffer_head *, int); extern void nilfs_set_inode_flags(struct inode *); diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c index 8351c44a7320..08e3d4f9df18 100644 --- a/fs/nilfs2/super.c +++ b/fs/nilfs2/super.c @@ -175,8 +175,6 @@ static void nilfs_i_callback(struct rcu_head *head) struct inode *inode = container_of(head, struct inode, i_rcu); struct nilfs_mdt_info *mdi = NILFS_MDT(inode); - INIT_LIST_HEAD(&inode->i_dentry); - if (mdi) { kfree(mdi->mi_bgl); /* kfree(NULL) is safe */ kfree(mdi); @@ -650,11 +648,11 @@ static int nilfs_statfs(struct dentry *dentry, struct kstatfs *buf) return 0; } -static int nilfs_show_options(struct seq_file *seq, struct vfsmount *vfs) +static int nilfs_show_options(struct seq_file *seq, struct dentry *dentry) { - struct super_block *sb = vfs->mnt_sb; + struct super_block *sb = dentry->d_sb; struct the_nilfs *nilfs = sb->s_fs_info; - struct nilfs_root *root = NILFS_I(vfs->mnt_root->d_inode)->i_root; + struct nilfs_root *root = NILFS_I(dentry->d_inode)->i_root; if (!nilfs_test_opt(nilfs, BARRIER)) seq_puts(seq, ",nobarrier"); diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c index 9fde1c00a296..3568c8a8b138 100644 --- a/fs/notify/fanotify/fanotify_user.c +++ b/fs/notify/fanotify/fanotify_user.c @@ -16,6 +16,8 @@ #include <asm/ioctls.h> +#include "../../mount.h" + #define FANOTIFY_DEFAULT_MAX_EVENTS 16384 #define FANOTIFY_DEFAULT_MAX_MARKS 8192 #define FANOTIFY_DEFAULT_MAX_LISTENERS 128 @@ -546,7 +548,7 @@ static int fanotify_remove_vfsmount_mark(struct fsnotify_group *group, removed = fanotify_mark_remove_from_mask(fsn_mark, mask, flags); fsnotify_put_mark(fsn_mark); - if (removed & mnt->mnt_fsnotify_mask) + if (removed & real_mount(mnt)->mnt_fsnotify_mask) fsnotify_recalc_vfsmount_mask(mnt); return 0; @@ -623,7 +625,7 @@ static int fanotify_add_vfsmount_mark(struct fsnotify_group *group, } added = fanotify_mark_add_to_mask(fsn_mark, mask, flags); - if (added & ~mnt->mnt_fsnotify_mask) + if (added & ~real_mount(mnt)->mnt_fsnotify_mask) fsnotify_recalc_vfsmount_mask(mnt); err: fsnotify_put_mark(fsn_mark); diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c index 79b47cbb5cd8..ccb14d3fc0de 100644 --- a/fs/notify/fsnotify.c +++ b/fs/notify/fsnotify.c @@ -26,6 +26,7 @@ #include <linux/fsnotify_backend.h> #include "fsnotify.h" +#include "../mount.h" /* * Clear all of the marks on an inode when it is being evicted from core @@ -205,13 +206,13 @@ int fsnotify(struct inode *to_tell, __u32 mask, void *data, int data_is, struct fsnotify_mark *inode_mark = NULL, *vfsmount_mark = NULL; struct fsnotify_group *inode_group, *vfsmount_group; struct fsnotify_event *event = NULL; - struct vfsmount *mnt; + struct mount *mnt; int idx, ret = 0; /* global tests shouldn't care about events on child only the specific event */ __u32 test_mask = (mask & ~FS_EVENT_ON_CHILD); if (data_is == FSNOTIFY_EVENT_PATH) - mnt = ((struct path *)data)->mnt; + mnt = real_mount(((struct path *)data)->mnt); else mnt = NULL; @@ -262,11 +263,11 @@ int fsnotify(struct inode *to_tell, __u32 mask, void *data, int data_is, /* we didn't use the vfsmount_mark */ vfsmount_group = NULL; } else if (vfsmount_group > inode_group) { - ret = send_to_group(to_tell, mnt, NULL, vfsmount_mark, mask, data, + ret = send_to_group(to_tell, &mnt->mnt, NULL, vfsmount_mark, mask, data, data_is, cookie, file_name, &event); inode_group = NULL; } else { - ret = send_to_group(to_tell, mnt, inode_mark, vfsmount_mark, + ret = send_to_group(to_tell, &mnt->mnt, inode_mark, vfsmount_mark, mask, data, data_is, cookie, file_name, &event); } diff --git a/fs/notify/vfsmount_mark.c b/fs/notify/vfsmount_mark.c index 778fe6cae3b0..b7b4b0e8554f 100644 --- a/fs/notify/vfsmount_mark.c +++ b/fs/notify/vfsmount_mark.c @@ -28,15 +28,17 @@ #include <linux/fsnotify_backend.h> #include "fsnotify.h" +#include "../mount.h" void fsnotify_clear_marks_by_mount(struct vfsmount *mnt) { struct fsnotify_mark *mark, *lmark; struct hlist_node *pos, *n; + struct mount *m = real_mount(mnt); LIST_HEAD(free_list); spin_lock(&mnt->mnt_root->d_lock); - hlist_for_each_entry_safe(mark, pos, n, &mnt->mnt_fsnotify_marks, m.m_list) { + hlist_for_each_entry_safe(mark, pos, n, &m->mnt_fsnotify_marks, m.m_list) { list_add(&mark->m.free_m_list, &free_list); hlist_del_init_rcu(&mark->m.m_list); fsnotify_get_mark(mark); @@ -59,15 +61,16 @@ void fsnotify_clear_vfsmount_marks_by_group(struct fsnotify_group *group) */ static void fsnotify_recalc_vfsmount_mask_locked(struct vfsmount *mnt) { + struct mount *m = real_mount(mnt); struct fsnotify_mark *mark; struct hlist_node *pos; __u32 new_mask = 0; assert_spin_locked(&mnt->mnt_root->d_lock); - hlist_for_each_entry(mark, pos, &mnt->mnt_fsnotify_marks, m.m_list) + hlist_for_each_entry(mark, pos, &m->mnt_fsnotify_marks, m.m_list) new_mask |= mark->mask; - mnt->mnt_fsnotify_mask = new_mask; + m->mnt_fsnotify_mask = new_mask; } /* @@ -101,12 +104,13 @@ void fsnotify_destroy_vfsmount_mark(struct fsnotify_mark *mark) static struct fsnotify_mark *fsnotify_find_vfsmount_mark_locked(struct fsnotify_group *group, struct vfsmount *mnt) { + struct mount *m = real_mount(mnt); struct fsnotify_mark *mark; struct hlist_node *pos; assert_spin_locked(&mnt->mnt_root->d_lock); - hlist_for_each_entry(mark, pos, &mnt->mnt_fsnotify_marks, m.m_list) { + hlist_for_each_entry(mark, pos, &m->mnt_fsnotify_marks, m.m_list) { if (mark->group == group) { fsnotify_get_mark(mark); return mark; @@ -140,6 +144,7 @@ int fsnotify_add_vfsmount_mark(struct fsnotify_mark *mark, struct fsnotify_group *group, struct vfsmount *mnt, int allow_dups) { + struct mount *m = real_mount(mnt); struct fsnotify_mark *lmark; struct hlist_node *node, *last = NULL; int ret = 0; @@ -154,13 +159,13 @@ int fsnotify_add_vfsmount_mark(struct fsnotify_mark *mark, mark->m.mnt = mnt; /* is mark the first mark? */ - if (hlist_empty(&mnt->mnt_fsnotify_marks)) { - hlist_add_head_rcu(&mark->m.m_list, &mnt->mnt_fsnotify_marks); + if (hlist_empty(&m->mnt_fsnotify_marks)) { + hlist_add_head_rcu(&mark->m.m_list, &m->mnt_fsnotify_marks); goto out; } /* should mark be in the middle of the current list? */ - hlist_for_each_entry(lmark, node, &mnt->mnt_fsnotify_marks, m.m_list) { + hlist_for_each_entry(lmark, node, &m->mnt_fsnotify_marks, m.m_list) { last = node; if ((lmark->group == group) && !allow_dups) { diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c index 97e2dacbc867..2eaa66652944 100644 --- a/fs/ntfs/inode.c +++ b/fs/ntfs/inode.c @@ -335,7 +335,6 @@ struct inode *ntfs_alloc_big_inode(struct super_block *sb) static void ntfs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(ntfs_big_inode_cache, NTFS_I(inode)); } @@ -2301,16 +2300,16 @@ void ntfs_evict_big_inode(struct inode *vi) /** * ntfs_show_options - show mount options in /proc/mounts * @sf: seq_file in which to write our mount options - * @mnt: vfs mount whose mount options to display + * @root: root of the mounted tree whose mount options to display * * Called by the VFS once for each mounted ntfs volume when someone reads * /proc/mounts in order to display the NTFS specific mount options of each - * mount. The mount options of the vfs mount @mnt are written to the seq file + * mount. The mount options of fs specified by @root are written to the seq file * @sf and success is returned. */ -int ntfs_show_options(struct seq_file *sf, struct vfsmount *mnt) +int ntfs_show_options(struct seq_file *sf, struct dentry *root) { - ntfs_volume *vol = NTFS_SB(mnt->mnt_sb); + ntfs_volume *vol = NTFS_SB(root->d_sb); int i; seq_printf(sf, ",uid=%i", vol->uid); diff --git a/fs/ntfs/inode.h b/fs/ntfs/inode.h index fe8e7e928889..db29695f845c 100644 --- a/fs/ntfs/inode.h +++ b/fs/ntfs/inode.h @@ -298,7 +298,7 @@ extern void ntfs_clear_extent_inode(ntfs_inode *ni); extern int ntfs_read_inode_mount(struct inode *vi); -extern int ntfs_show_options(struct seq_file *sf, struct vfsmount *mnt); +extern int ntfs_show_options(struct seq_file *sf, struct dentry *root); #ifdef NTFS_RW diff --git a/fs/ntfs/super.c b/fs/ntfs/super.c index b52706da4645..608be4516091 100644 --- a/fs/ntfs/super.c +++ b/fs/ntfs/super.c @@ -104,7 +104,7 @@ static bool parse_options(ntfs_volume *vol, char *opt) int errors = 0, sloppy = 0; uid_t uid = (uid_t)-1; gid_t gid = (gid_t)-1; - mode_t fmask = (mode_t)-1, dmask = (mode_t)-1; + umode_t fmask = (umode_t)-1, dmask = (umode_t)-1; int mft_zone_multiplier = -1, on_errors = -1; int show_sys_files = -1, case_sensitive = -1, disable_sparse = -1; struct nls_table *nls_map = NULL, *old_nls; @@ -287,9 +287,9 @@ no_mount_options: vol->uid = uid; if (gid != (gid_t)-1) vol->gid = gid; - if (fmask != (mode_t)-1) + if (fmask != (umode_t)-1) vol->fmask = fmask; - if (dmask != (mode_t)-1) + if (dmask != (umode_t)-1) vol->dmask = dmask; if (show_sys_files != -1) { if (show_sys_files) diff --git a/fs/ntfs/volume.h b/fs/ntfs/volume.h index 406ab55dfb32..15e3ba8d521a 100644 --- a/fs/ntfs/volume.h +++ b/fs/ntfs/volume.h @@ -48,8 +48,8 @@ typedef struct { unsigned long flags; /* Miscellaneous flags, see below. */ uid_t uid; /* uid that files will be mounted as. */ gid_t gid; /* gid that files will be mounted as. */ - mode_t fmask; /* The mask for file permissions. */ - mode_t dmask; /* The mask for directory + umode_t fmask; /* The mask for file permissions. */ + umode_t dmask; /* The mask for directory permissions. */ u8 mft_zone_multiplier; /* Initial mft zone multiplier. */ u8 on_errors; /* What to do on filesystem errors. */ diff --git a/fs/ocfs2/cluster/netdebug.c b/fs/ocfs2/cluster/netdebug.c index dc45deb19e68..73ba81928bce 100644 --- a/fs/ocfs2/cluster/netdebug.c +++ b/fs/ocfs2/cluster/netdebug.c @@ -553,7 +553,7 @@ void o2net_debugfs_exit(void) int o2net_debugfs_init(void) { - mode_t mode = S_IFREG|S_IRUSR; + umode_t mode = S_IFREG|S_IRUSR; o2net_dentry = debugfs_create_dir(O2NET_DEBUG_DIR, NULL); if (o2net_dentry) diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c index b42076797049..abfac0d7ae9c 100644 --- a/fs/ocfs2/dlmfs/dlmfs.c +++ b/fs/ocfs2/dlmfs/dlmfs.c @@ -354,7 +354,6 @@ static struct inode *dlmfs_alloc_inode(struct super_block *sb) static void dlmfs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(dlmfs_inode_cache, DLMFS_I(inode)); } @@ -401,16 +400,14 @@ static struct backing_dev_info dlmfs_backing_dev_info = { static struct inode *dlmfs_get_root_inode(struct super_block *sb) { struct inode *inode = new_inode(sb); - int mode = S_IFDIR | 0755; + umode_t mode = S_IFDIR | 0755; struct dlmfs_inode_private *ip; if (inode) { ip = DLMFS_I(inode); inode->i_ino = get_next_ino(); - inode->i_mode = mode; - inode->i_uid = current_fsuid(); - inode->i_gid = current_fsgid(); + inode_init_owner(inode, NULL, mode); inode->i_mapping->backing_dev_info = &dlmfs_backing_dev_info; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; inc_nlink(inode); @@ -424,7 +421,7 @@ static struct inode *dlmfs_get_root_inode(struct super_block *sb) static struct inode *dlmfs_get_inode(struct inode *parent, struct dentry *dentry, - int mode) + umode_t mode) { struct super_block *sb = parent->i_sb; struct inode * inode = new_inode(sb); @@ -434,9 +431,7 @@ static struct inode *dlmfs_get_inode(struct inode *parent, return NULL; inode->i_ino = get_next_ino(); - inode->i_mode = mode; - inode->i_uid = current_fsuid(); - inode->i_gid = current_fsgid(); + inode_init_owner(inode, parent, mode); inode->i_mapping->backing_dev_info = &dlmfs_backing_dev_info; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; @@ -473,13 +468,6 @@ static struct inode *dlmfs_get_inode(struct inode *parent, inc_nlink(inode); break; } - - if (parent->i_mode & S_ISGID) { - inode->i_gid = parent->i_gid; - if (S_ISDIR(mode)) - inode->i_mode |= S_ISGID; - } - return inode; } @@ -489,7 +477,7 @@ static struct inode *dlmfs_get_inode(struct inode *parent, /* SMP-safe */ static int dlmfs_mkdir(struct inode * dir, struct dentry * dentry, - int mode) + umode_t mode) { int status; struct inode *inode = NULL; @@ -537,7 +525,7 @@ bail: static int dlmfs_create(struct inode *dir, struct dentry *dentry, - int mode, + umode_t mode, struct nameidata *nd) { int status = 0; diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c index 726ff265b296..a6fda3c188aa 100644 --- a/fs/ocfs2/ioctl.c +++ b/fs/ocfs2/ioctl.c @@ -906,12 +906,12 @@ long ocfs2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) if (get_user(flags, (int __user *) arg)) return -EFAULT; - status = mnt_want_write(filp->f_path.mnt); + status = mnt_want_write_file(filp); if (status) return status; status = ocfs2_set_inode_attr(inode, flags, OCFS2_FL_MODIFIABLE); - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); return status; case OCFS2_IOC_RESVSP: case OCFS2_IOC_RESVSP64: diff --git a/fs/ocfs2/move_extents.c b/fs/ocfs2/move_extents.c index 184c76b8c293..b1e3fce72ea4 100644 --- a/fs/ocfs2/move_extents.c +++ b/fs/ocfs2/move_extents.c @@ -1059,7 +1059,7 @@ int ocfs2_ioctl_move_extents(struct file *filp, void __user *argp) struct ocfs2_move_extents range; struct ocfs2_move_extents_context *context = NULL; - status = mnt_want_write(filp->f_path.mnt); + status = mnt_want_write_file(filp); if (status) return status; @@ -1145,7 +1145,7 @@ out: kfree(context); - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); return status; } diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index a8b2bfea574e..be244692550d 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -185,7 +185,7 @@ bail: return ret; } -static struct inode *ocfs2_get_init_inode(struct inode *dir, int mode) +static struct inode *ocfs2_get_init_inode(struct inode *dir, umode_t mode) { struct inode *inode; @@ -207,7 +207,7 @@ static struct inode *ocfs2_get_init_inode(struct inode *dir, int mode) static int ocfs2_mknod(struct inode *dir, struct dentry *dentry, - int mode, + umode_t mode, dev_t dev) { int status = 0; @@ -602,7 +602,7 @@ static int ocfs2_mknod_locked(struct ocfs2_super *osb, static int ocfs2_mkdir(struct inode *dir, struct dentry *dentry, - int mode) + umode_t mode) { int ret; @@ -617,7 +617,7 @@ static int ocfs2_mkdir(struct inode *dir, static int ocfs2_create(struct inode *dir, struct dentry *dentry, - int mode, + umode_t mode, struct nameidata *nd) { int ret; diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index 4994f8b0e604..604e12c4e979 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -108,7 +108,7 @@ static int ocfs2_parse_options(struct super_block *sb, char *options, int is_remount); static int ocfs2_check_set_options(struct super_block *sb, struct mount_options *options); -static int ocfs2_show_options(struct seq_file *s, struct vfsmount *mnt); +static int ocfs2_show_options(struct seq_file *s, struct dentry *root); static void ocfs2_put_super(struct super_block *sb); static int ocfs2_mount_volume(struct super_block *sb); static int ocfs2_remount(struct super_block *sb, int *flags, char *data); @@ -569,7 +569,6 @@ static struct inode *ocfs2_alloc_inode(struct super_block *sb) static void ocfs2_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(ocfs2_inode_cachep, OCFS2_I(inode)); } @@ -1534,9 +1533,9 @@ bail: return status; } -static int ocfs2_show_options(struct seq_file *s, struct vfsmount *mnt) +static int ocfs2_show_options(struct seq_file *s, struct dentry *root) { - struct ocfs2_super *osb = OCFS2_SB(mnt->mnt_sb); + struct ocfs2_super *osb = OCFS2_SB(root->d_sb); unsigned long opts = osb->s_mount_opt; unsigned int local_alloc_megs; @@ -1568,8 +1567,7 @@ static int ocfs2_show_options(struct seq_file *s, struct vfsmount *mnt) if (osb->preferred_slot != OCFS2_INVALID_SLOT) seq_printf(s, ",preferred_slot=%d", osb->preferred_slot); - if (!(mnt->mnt_flags & MNT_NOATIME) && !(mnt->mnt_flags & MNT_RELATIME)) - seq_printf(s, ",atime_quantum=%u", osb->s_atime_quantum); + seq_printf(s, ",atime_quantum=%u", osb->s_atime_quantum); if (osb->osb_commit_interval) seq_printf(s, ",commit=%u", diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index aa9e8777b09a..0ba9ea1e7961 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -623,7 +623,7 @@ int ocfs2_calc_security_init(struct inode *dir, int ocfs2_calc_xattr_init(struct inode *dir, struct buffer_head *dir_bh, - int mode, + umode_t mode, struct ocfs2_security_xattr_info *si, int *want_clusters, int *xattr_credits, diff --git a/fs/ocfs2/xattr.h b/fs/ocfs2/xattr.h index d63cfb72316b..e5c7f15465b4 100644 --- a/fs/ocfs2/xattr.h +++ b/fs/ocfs2/xattr.h @@ -68,7 +68,7 @@ int ocfs2_calc_security_init(struct inode *, struct ocfs2_security_xattr_info *, int *, int *, struct ocfs2_alloc_context **); int ocfs2_calc_xattr_init(struct inode *, struct buffer_head *, - int, struct ocfs2_security_xattr_info *, + umode_t, struct ocfs2_security_xattr_info *, int *, int *, int *); /* diff --git a/fs/omfs/dir.c b/fs/omfs/dir.c index 98e544274390..f00576ec320f 100644 --- a/fs/omfs/dir.c +++ b/fs/omfs/dir.c @@ -255,7 +255,7 @@ static int omfs_remove(struct inode *dir, struct dentry *dentry) return 0; } -static int omfs_add_node(struct inode *dir, struct dentry *dentry, int mode) +static int omfs_add_node(struct inode *dir, struct dentry *dentry, umode_t mode) { int err; struct inode *inode = omfs_new_inode(dir, mode); @@ -279,12 +279,12 @@ out_free_inode: return err; } -static int omfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int omfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { return omfs_add_node(dir, dentry, mode | S_IFDIR); } -static int omfs_create(struct inode *dir, struct dentry *dentry, int mode, +static int omfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { return omfs_add_node(dir, dentry, mode | S_IFREG); diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c index e043c4cb9a97..6065bb0ba207 100644 --- a/fs/omfs/inode.c +++ b/fs/omfs/inode.c @@ -28,7 +28,7 @@ struct buffer_head *omfs_bread(struct super_block *sb, sector_t block) return sb_bread(sb, clus_to_blk(sbi, block)); } -struct inode *omfs_new_inode(struct inode *dir, int mode) +struct inode *omfs_new_inode(struct inode *dir, umode_t mode) { struct inode *inode; u64 new_block; diff --git a/fs/omfs/omfs.h b/fs/omfs/omfs.h index 7d414fef501a..8941f12c6b01 100644 --- a/fs/omfs/omfs.h +++ b/fs/omfs/omfs.h @@ -60,7 +60,7 @@ extern int omfs_shrink_inode(struct inode *inode); /* inode.c */ extern struct buffer_head *omfs_bread(struct super_block *sb, sector_t block); extern struct inode *omfs_iget(struct super_block *sb, ino_t inode); -extern struct inode *omfs_new_inode(struct inode *dir, int mode); +extern struct inode *omfs_new_inode(struct inode *dir, umode_t mode); extern int omfs_reserve_block(struct super_block *sb, sector_t block); extern int omfs_find_empty_block(struct super_block *sb, int mode, ino_t *ino); extern int omfs_sync_inode(struct inode *inode); diff --git a/fs/open.c b/fs/open.c index 22c41b543f2d..77becc041149 100644 --- a/fs/open.c +++ b/fs/open.c @@ -456,7 +456,7 @@ static int chmod_common(struct path *path, umode_t mode) if (error) return error; mutex_lock(&inode->i_mutex); - error = security_path_chmod(path->dentry, path->mnt, mode); + error = security_path_chmod(path, mode); if (error) goto out_unlock; newattrs.ia_mode = (mode & S_IALLUGO) | (inode->i_mode & ~S_IALLUGO); @@ -468,7 +468,7 @@ out_unlock: return error; } -SYSCALL_DEFINE2(fchmod, unsigned int, fd, mode_t, mode) +SYSCALL_DEFINE2(fchmod, unsigned int, fd, umode_t, mode) { struct file * file; int err = -EBADF; @@ -482,7 +482,7 @@ SYSCALL_DEFINE2(fchmod, unsigned int, fd, mode_t, mode) return err; } -SYSCALL_DEFINE3(fchmodat, int, dfd, const char __user *, filename, mode_t, mode) +SYSCALL_DEFINE3(fchmodat, int, dfd, const char __user *, filename, umode_t, mode) { struct path path; int error; @@ -495,7 +495,7 @@ SYSCALL_DEFINE3(fchmodat, int, dfd, const char __user *, filename, mode_t, mode) return error; } -SYSCALL_DEFINE2(chmod, const char __user *, filename, mode_t, mode) +SYSCALL_DEFINE2(chmod, const char __user *, filename, umode_t, mode) { return sys_fchmodat(AT_FDCWD, filename, mode); } @@ -608,7 +608,7 @@ SYSCALL_DEFINE3(fchown, unsigned int, fd, uid_t, user, gid_t, group) dentry = file->f_path.dentry; audit_inode(NULL, dentry); error = chown_common(&file->f_path, user, group); - mnt_drop_write(file->f_path.mnt); + mnt_drop_write_file(file); out_fput: fput(file); out: @@ -877,7 +877,7 @@ void fd_install(unsigned int fd, struct file *file) EXPORT_SYMBOL(fd_install); -static inline int build_open_flags(int flags, int mode, struct open_flags *op) +static inline int build_open_flags(int flags, umode_t mode, struct open_flags *op) { int lookup_flags = 0; int acc_mode; @@ -948,7 +948,7 @@ static inline int build_open_flags(int flags, int mode, struct open_flags *op) * have to. But in generally you should not do this, so please move * along, nothing to see here.. */ -struct file *filp_open(const char *filename, int flags, int mode) +struct file *filp_open(const char *filename, int flags, umode_t mode) { struct open_flags op; int lookup = build_open_flags(flags, mode, &op); @@ -970,7 +970,7 @@ struct file *file_open_root(struct dentry *dentry, struct vfsmount *mnt, } EXPORT_SYMBOL(file_open_root); -long do_sys_open(int dfd, const char __user *filename, int flags, int mode) +long do_sys_open(int dfd, const char __user *filename, int flags, umode_t mode) { struct open_flags op; int lookup = build_open_flags(flags, mode, &op); @@ -994,7 +994,7 @@ long do_sys_open(int dfd, const char __user *filename, int flags, int mode) return fd; } -SYSCALL_DEFINE3(open, const char __user *, filename, int, flags, int, mode) +SYSCALL_DEFINE3(open, const char __user *, filename, int, flags, umode_t, mode) { long ret; @@ -1008,7 +1008,7 @@ SYSCALL_DEFINE3(open, const char __user *, filename, int, flags, int, mode) } SYSCALL_DEFINE4(openat, int, dfd, const char __user *, filename, int, flags, - int, mode) + umode_t, mode) { long ret; @@ -1027,7 +1027,7 @@ SYSCALL_DEFINE4(openat, int, dfd, const char __user *, filename, int, flags, * For backward compatibility? Maybe this should be moved * into arch/i386 instead? */ -SYSCALL_DEFINE2(creat, const char __user *, pathname, int, mode) +SYSCALL_DEFINE2(creat, const char __user *, pathname, umode_t, mode) { return sys_open(pathname, O_CREAT | O_WRONLY | O_TRUNC, mode); } diff --git a/fs/openpromfs/inode.c b/fs/openpromfs/inode.c index e4e0ff7962e2..a88c03bc749d 100644 --- a/fs/openpromfs/inode.c +++ b/fs/openpromfs/inode.c @@ -346,7 +346,6 @@ static struct inode *openprom_alloc_inode(struct super_block *sb) static void openprom_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(op_inode_cachep, OP_I(inode)); } diff --git a/fs/pipe.c b/fs/pipe.c index 4065f07366b3..f0e485d54e64 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -1290,11 +1290,4 @@ static int __init init_pipe_fs(void) return err; } -static void __exit exit_pipe_fs(void) -{ - kern_unmount(pipe_mnt); - unregister_filesystem(&pipe_fs_type); -} - fs_initcall(init_pipe_fs); -module_exit(exit_pipe_fs); diff --git a/fs/pnode.c b/fs/pnode.c index d42514e32380..ab5fa9e1a79a 100644 --- a/fs/pnode.c +++ b/fs/pnode.c @@ -13,45 +13,30 @@ #include "pnode.h" /* return the next shared peer mount of @p */ -static inline struct vfsmount *next_peer(struct vfsmount *p) +static inline struct mount *next_peer(struct mount *p) { - return list_entry(p->mnt_share.next, struct vfsmount, mnt_share); + return list_entry(p->mnt_share.next, struct mount, mnt_share); } -static inline struct vfsmount *first_slave(struct vfsmount *p) +static inline struct mount *first_slave(struct mount *p) { - return list_entry(p->mnt_slave_list.next, struct vfsmount, mnt_slave); + return list_entry(p->mnt_slave_list.next, struct mount, mnt_slave); } -static inline struct vfsmount *next_slave(struct vfsmount *p) +static inline struct mount *next_slave(struct mount *p) { - return list_entry(p->mnt_slave.next, struct vfsmount, mnt_slave); + return list_entry(p->mnt_slave.next, struct mount, mnt_slave); } -/* - * Return true if path is reachable from root - * - * namespace_sem is held, and mnt is attached - */ -static bool is_path_reachable(struct vfsmount *mnt, struct dentry *dentry, - const struct path *root) -{ - while (mnt != root->mnt && mnt->mnt_parent != mnt) { - dentry = mnt->mnt_mountpoint; - mnt = mnt->mnt_parent; - } - return mnt == root->mnt && is_subdir(dentry, root->dentry); -} - -static struct vfsmount *get_peer_under_root(struct vfsmount *mnt, - struct mnt_namespace *ns, - const struct path *root) +static struct mount *get_peer_under_root(struct mount *mnt, + struct mnt_namespace *ns, + const struct path *root) { - struct vfsmount *m = mnt; + struct mount *m = mnt; do { /* Check the namespace first for optimization */ - if (m->mnt_ns == ns && is_path_reachable(m, m->mnt_root, root)) + if (m->mnt_ns == ns && is_path_reachable(m, m->mnt.mnt_root, root)) return m; m = next_peer(m); @@ -66,12 +51,12 @@ static struct vfsmount *get_peer_under_root(struct vfsmount *mnt, * * Caller must hold namespace_sem */ -int get_dominating_id(struct vfsmount *mnt, const struct path *root) +int get_dominating_id(struct mount *mnt, const struct path *root) { - struct vfsmount *m; + struct mount *m; for (m = mnt->mnt_master; m != NULL; m = m->mnt_master) { - struct vfsmount *d = get_peer_under_root(m, mnt->mnt_ns, root); + struct mount *d = get_peer_under_root(m, mnt->mnt_ns, root); if (d) return d->mnt_group_id; } @@ -79,10 +64,10 @@ int get_dominating_id(struct vfsmount *mnt, const struct path *root) return 0; } -static int do_make_slave(struct vfsmount *mnt) +static int do_make_slave(struct mount *mnt) { - struct vfsmount *peer_mnt = mnt, *master = mnt->mnt_master; - struct vfsmount *slave_mnt; + struct mount *peer_mnt = mnt, *master = mnt->mnt_master; + struct mount *slave_mnt; /* * slave 'mnt' to a peer mount that has the @@ -90,7 +75,7 @@ static int do_make_slave(struct vfsmount *mnt) * slave it to anything that is available. */ while ((peer_mnt = next_peer(peer_mnt)) != mnt && - peer_mnt->mnt_root != mnt->mnt_root) ; + peer_mnt->mnt.mnt_root != mnt->mnt.mnt_root) ; if (peer_mnt == mnt) { peer_mnt = next_peer(mnt); @@ -116,7 +101,7 @@ static int do_make_slave(struct vfsmount *mnt) struct list_head *p = &mnt->mnt_slave_list; while (!list_empty(p)) { slave_mnt = list_first_entry(p, - struct vfsmount, mnt_slave); + struct mount, mnt_slave); list_del_init(&slave_mnt->mnt_slave); slave_mnt->mnt_master = NULL; } @@ -129,7 +114,7 @@ static int do_make_slave(struct vfsmount *mnt) /* * vfsmount lock must be held for write */ -void change_mnt_propagation(struct vfsmount *mnt, int type) +void change_mnt_propagation(struct mount *mnt, int type) { if (type == MS_SHARED) { set_mnt_shared(mnt); @@ -140,9 +125,9 @@ void change_mnt_propagation(struct vfsmount *mnt, int type) list_del_init(&mnt->mnt_slave); mnt->mnt_master = NULL; if (type == MS_UNBINDABLE) - mnt->mnt_flags |= MNT_UNBINDABLE; + mnt->mnt.mnt_flags |= MNT_UNBINDABLE; else - mnt->mnt_flags &= ~MNT_UNBINDABLE; + mnt->mnt.mnt_flags &= ~MNT_UNBINDABLE; } } @@ -156,20 +141,19 @@ void change_mnt_propagation(struct vfsmount *mnt, int type) * vfsmount found while iterating with propagation_next() is * a peer of one we'd found earlier. */ -static struct vfsmount *propagation_next(struct vfsmount *m, - struct vfsmount *origin) +static struct mount *propagation_next(struct mount *m, + struct mount *origin) { /* are there any slaves of this mount? */ if (!IS_MNT_NEW(m) && !list_empty(&m->mnt_slave_list)) return first_slave(m); while (1) { - struct vfsmount *next; - struct vfsmount *master = m->mnt_master; + struct mount *master = m->mnt_master; if (master == origin->mnt_master) { - next = next_peer(m); - return ((next == origin) ? NULL : next); + struct mount *next = next_peer(m); + return (next == origin) ? NULL : next; } else if (m->mnt_slave.next != &master->mnt_slave_list) return next_slave(m); @@ -187,13 +171,13 @@ static struct vfsmount *propagation_next(struct vfsmount *m, * @type return CL_SLAVE if the new mount has to be * cloned as a slave. */ -static struct vfsmount *get_source(struct vfsmount *dest, - struct vfsmount *last_dest, - struct vfsmount *last_src, - int *type) +static struct mount *get_source(struct mount *dest, + struct mount *last_dest, + struct mount *last_src, + int *type) { - struct vfsmount *p_last_src = NULL; - struct vfsmount *p_last_dest = NULL; + struct mount *p_last_src = NULL; + struct mount *p_last_dest = NULL; while (last_dest != dest->mnt_master) { p_last_dest = last_dest; @@ -233,33 +217,33 @@ static struct vfsmount *get_source(struct vfsmount *dest, * @source_mnt: source mount. * @tree_list : list of heads of trees to be attached. */ -int propagate_mnt(struct vfsmount *dest_mnt, struct dentry *dest_dentry, - struct vfsmount *source_mnt, struct list_head *tree_list) +int propagate_mnt(struct mount *dest_mnt, struct dentry *dest_dentry, + struct mount *source_mnt, struct list_head *tree_list) { - struct vfsmount *m, *child; + struct mount *m, *child; int ret = 0; - struct vfsmount *prev_dest_mnt = dest_mnt; - struct vfsmount *prev_src_mnt = source_mnt; + struct mount *prev_dest_mnt = dest_mnt; + struct mount *prev_src_mnt = source_mnt; LIST_HEAD(tmp_list); LIST_HEAD(umount_list); for (m = propagation_next(dest_mnt, dest_mnt); m; m = propagation_next(m, dest_mnt)) { int type; - struct vfsmount *source; + struct mount *source; if (IS_MNT_NEW(m)) continue; source = get_source(m, prev_dest_mnt, prev_src_mnt, &type); - if (!(child = copy_tree(source, source->mnt_root, type))) { + if (!(child = copy_tree(source, source->mnt.mnt_root, type))) { ret = -ENOMEM; list_splice(tree_list, tmp_list.prev); goto out; } - if (is_subdir(dest_dentry, m->mnt_root)) { + if (is_subdir(dest_dentry, m->mnt.mnt_root)) { mnt_set_mountpoint(m, dest_dentry, child); list_add_tail(&child->mnt_hash, tree_list); } else { @@ -275,7 +259,7 @@ int propagate_mnt(struct vfsmount *dest_mnt, struct dentry *dest_dentry, out: br_write_lock(vfsmount_lock); while (!list_empty(&tmp_list)) { - child = list_first_entry(&tmp_list, struct vfsmount, mnt_hash); + child = list_first_entry(&tmp_list, struct mount, mnt_hash); umount_tree(child, 0, &umount_list); } br_write_unlock(vfsmount_lock); @@ -286,7 +270,7 @@ out: /* * return true if the refcount is greater than count */ -static inline int do_refcount_check(struct vfsmount *mnt, int count) +static inline int do_refcount_check(struct mount *mnt, int count) { int mycount = mnt_get_count(mnt) - mnt->mnt_ghosts; return (mycount > count); @@ -302,10 +286,10 @@ static inline int do_refcount_check(struct vfsmount *mnt, int count) * * vfsmount lock must be held for write */ -int propagate_mount_busy(struct vfsmount *mnt, int refcnt) +int propagate_mount_busy(struct mount *mnt, int refcnt) { - struct vfsmount *m, *child; - struct vfsmount *parent = mnt->mnt_parent; + struct mount *m, *child; + struct mount *parent = mnt->mnt_parent; int ret = 0; if (mnt == parent) @@ -321,7 +305,7 @@ int propagate_mount_busy(struct vfsmount *mnt, int refcnt) for (m = propagation_next(parent, parent); m; m = propagation_next(m, parent)) { - child = __lookup_mnt(m, mnt->mnt_mountpoint, 0); + child = __lookup_mnt(&m->mnt, mnt->mnt_mountpoint, 0); if (child && list_empty(&child->mnt_mounts) && (ret = do_refcount_check(child, 1))) break; @@ -333,17 +317,17 @@ int propagate_mount_busy(struct vfsmount *mnt, int refcnt) * NOTE: unmounting 'mnt' naturally propagates to all other mounts its * parent propagates to. */ -static void __propagate_umount(struct vfsmount *mnt) +static void __propagate_umount(struct mount *mnt) { - struct vfsmount *parent = mnt->mnt_parent; - struct vfsmount *m; + struct mount *parent = mnt->mnt_parent; + struct mount *m; BUG_ON(parent == mnt); for (m = propagation_next(parent, parent); m; m = propagation_next(m, parent)) { - struct vfsmount *child = __lookup_mnt(m, + struct mount *child = __lookup_mnt(&m->mnt, mnt->mnt_mountpoint, 0); /* * umount the child only if the child has no @@ -363,7 +347,7 @@ static void __propagate_umount(struct vfsmount *mnt) */ int propagate_umount(struct list_head *list) { - struct vfsmount *mnt; + struct mount *mnt; list_for_each_entry(mnt, list, mnt_hash) __propagate_umount(mnt); diff --git a/fs/pnode.h b/fs/pnode.h index 1ea4ae1efcd3..65c60979d541 100644 --- a/fs/pnode.h +++ b/fs/pnode.h @@ -9,13 +9,13 @@ #define _LINUX_PNODE_H #include <linux/list.h> -#include <linux/mount.h> +#include "mount.h" -#define IS_MNT_SHARED(mnt) (mnt->mnt_flags & MNT_SHARED) -#define IS_MNT_SLAVE(mnt) (mnt->mnt_master) -#define IS_MNT_NEW(mnt) (!mnt->mnt_ns) -#define CLEAR_MNT_SHARED(mnt) (mnt->mnt_flags &= ~MNT_SHARED) -#define IS_MNT_UNBINDABLE(mnt) (mnt->mnt_flags & MNT_UNBINDABLE) +#define IS_MNT_SHARED(m) ((m)->mnt.mnt_flags & MNT_SHARED) +#define IS_MNT_SLAVE(m) ((m)->mnt_master) +#define IS_MNT_NEW(m) (!(m)->mnt_ns) +#define CLEAR_MNT_SHARED(m) ((m)->mnt.mnt_flags &= ~MNT_SHARED) +#define IS_MNT_UNBINDABLE(m) ((m)->mnt.mnt_flags & MNT_UNBINDABLE) #define CL_EXPIRE 0x01 #define CL_SLAVE 0x02 @@ -23,17 +23,25 @@ #define CL_MAKE_SHARED 0x08 #define CL_PRIVATE 0x10 -static inline void set_mnt_shared(struct vfsmount *mnt) +static inline void set_mnt_shared(struct mount *mnt) { - mnt->mnt_flags &= ~MNT_SHARED_MASK; - mnt->mnt_flags |= MNT_SHARED; + mnt->mnt.mnt_flags &= ~MNT_SHARED_MASK; + mnt->mnt.mnt_flags |= MNT_SHARED; } -void change_mnt_propagation(struct vfsmount *, int); -int propagate_mnt(struct vfsmount *, struct dentry *, struct vfsmount *, +void change_mnt_propagation(struct mount *, int); +int propagate_mnt(struct mount *, struct dentry *, struct mount *, struct list_head *); int propagate_umount(struct list_head *); -int propagate_mount_busy(struct vfsmount *, int); -void mnt_release_group_id(struct vfsmount *); -int get_dominating_id(struct vfsmount *mnt, const struct path *root); +int propagate_mount_busy(struct mount *, int); +void mnt_release_group_id(struct mount *); +int get_dominating_id(struct mount *mnt, const struct path *root); +unsigned int mnt_get_count(struct mount *mnt); +void mnt_set_mountpoint(struct mount *, struct dentry *, + struct mount *); +void release_mounts(struct list_head *); +void umount_tree(struct mount *, int, struct list_head *); +struct mount *copy_tree(struct mount *, struct dentry *, int); +bool is_path_reachable(struct mount *, struct dentry *, + const struct path *root); #endif /* _LINUX_PNODE_H */ diff --git a/fs/proc/base.c b/fs/proc/base.c index 851ba3dcdc29..a1dddda999f2 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -101,7 +101,7 @@ struct pid_entry { char *name; int len; - mode_t mode; + umode_t mode; const struct inode_operations *iop; const struct file_operations *fop; union proc_op op; @@ -631,120 +631,6 @@ static const struct inode_operations proc_def_inode_operations = { .setattr = proc_setattr, }; -static int mounts_open_common(struct inode *inode, struct file *file, - const struct seq_operations *op) -{ - struct task_struct *task = get_proc_task(inode); - struct nsproxy *nsp; - struct mnt_namespace *ns = NULL; - struct path root; - struct proc_mounts *p; - int ret = -EINVAL; - - if (task) { - rcu_read_lock(); - nsp = task_nsproxy(task); - if (nsp) { - ns = nsp->mnt_ns; - if (ns) - get_mnt_ns(ns); - } - rcu_read_unlock(); - if (ns && get_task_root(task, &root) == 0) - ret = 0; - put_task_struct(task); - } - - if (!ns) - goto err; - if (ret) - goto err_put_ns; - - ret = -ENOMEM; - p = kmalloc(sizeof(struct proc_mounts), GFP_KERNEL); - if (!p) - goto err_put_path; - - file->private_data = &p->m; - ret = seq_open(file, op); - if (ret) - goto err_free; - - p->m.private = p; - p->ns = ns; - p->root = root; - p->m.poll_event = ns->event; - - return 0; - - err_free: - kfree(p); - err_put_path: - path_put(&root); - err_put_ns: - put_mnt_ns(ns); - err: - return ret; -} - -static int mounts_release(struct inode *inode, struct file *file) -{ - struct proc_mounts *p = file->private_data; - path_put(&p->root); - put_mnt_ns(p->ns); - return seq_release(inode, file); -} - -static unsigned mounts_poll(struct file *file, poll_table *wait) -{ - struct proc_mounts *p = file->private_data; - unsigned res = POLLIN | POLLRDNORM; - - poll_wait(file, &p->ns->poll, wait); - if (mnt_had_events(p)) - res |= POLLERR | POLLPRI; - - return res; -} - -static int mounts_open(struct inode *inode, struct file *file) -{ - return mounts_open_common(inode, file, &mounts_op); -} - -static const struct file_operations proc_mounts_operations = { - .open = mounts_open, - .read = seq_read, - .llseek = seq_lseek, - .release = mounts_release, - .poll = mounts_poll, -}; - -static int mountinfo_open(struct inode *inode, struct file *file) -{ - return mounts_open_common(inode, file, &mountinfo_op); -} - -static const struct file_operations proc_mountinfo_operations = { - .open = mountinfo_open, - .read = seq_read, - .llseek = seq_lseek, - .release = mounts_release, - .poll = mounts_poll, -}; - -static int mountstats_open(struct inode *inode, struct file *file) -{ - return mounts_open_common(inode, file, &mountstats_op); -} - -static const struct file_operations proc_mountstats_operations = { - .open = mountstats_open, - .read = seq_read, - .llseek = seq_lseek, - .release = mounts_release, -}; - #define PROC_BLOCK_SIZE (3*1024) /* 4K page size but our output routines use some slack for overruns */ static ssize_t proc_info_read(struct file * file, char __user * buf, diff --git a/fs/proc/generic.c b/fs/proc/generic.c index 10090d9c7ad5..2edf34f2eb61 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -597,7 +597,7 @@ static int proc_register(struct proc_dir_entry * dir, struct proc_dir_entry * dp static struct proc_dir_entry *__proc_create(struct proc_dir_entry **parent, const char *name, - mode_t mode, + umode_t mode, nlink_t nlink) { struct proc_dir_entry *ent = NULL; @@ -659,7 +659,7 @@ struct proc_dir_entry *proc_symlink(const char *name, } EXPORT_SYMBOL(proc_symlink); -struct proc_dir_entry *proc_mkdir_mode(const char *name, mode_t mode, +struct proc_dir_entry *proc_mkdir_mode(const char *name, umode_t mode, struct proc_dir_entry *parent) { struct proc_dir_entry *ent; @@ -699,7 +699,7 @@ struct proc_dir_entry *proc_mkdir(const char *name, } EXPORT_SYMBOL(proc_mkdir); -struct proc_dir_entry *create_proc_entry(const char *name, mode_t mode, +struct proc_dir_entry *create_proc_entry(const char *name, umode_t mode, struct proc_dir_entry *parent) { struct proc_dir_entry *ent; @@ -728,7 +728,7 @@ struct proc_dir_entry *create_proc_entry(const char *name, mode_t mode, } EXPORT_SYMBOL(create_proc_entry); -struct proc_dir_entry *proc_create_data(const char *name, mode_t mode, +struct proc_dir_entry *proc_create_data(const char *name, umode_t mode, struct proc_dir_entry *parent, const struct file_operations *proc_fops, void *data) diff --git a/fs/proc/inode.c b/fs/proc/inode.c index 7737c5468a40..51a176622b8f 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -77,7 +77,6 @@ static struct inode *proc_alloc_inode(struct super_block *sb) static void proc_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(proc_inode_cachep, PROC_I(inode)); } diff --git a/fs/proc/namespaces.c b/fs/proc/namespaces.c index be177f702acb..27da860115c6 100644 --- a/fs/proc/namespaces.c +++ b/fs/proc/namespaces.c @@ -9,7 +9,6 @@ #include <linux/file.h> #include <linux/utsname.h> #include <net/net_namespace.h> -#include <linux/mnt_namespace.h> #include <linux/ipc_namespace.h> #include <linux/pid_namespace.h> #include "internal.h" diff --git a/fs/proc/proc_net.c b/fs/proc/proc_net.c index f738024ccc8e..06e1cc17caf6 100644 --- a/fs/proc/proc_net.c +++ b/fs/proc/proc_net.c @@ -179,7 +179,7 @@ const struct file_operations proc_net_operations = { struct proc_dir_entry *proc_net_fops_create(struct net *net, - const char *name, mode_t mode, const struct file_operations *fops) + const char *name, umode_t mode, const struct file_operations *fops) { return proc_create(name, mode, net->proc_net, fops); } diff --git a/fs/proc_namespace.c b/fs/proc_namespace.c new file mode 100644 index 000000000000..12412852d88a --- /dev/null +++ b/fs/proc_namespace.c @@ -0,0 +1,333 @@ +/* + * fs/proc_namespace.c - handling of /proc/<pid>/{mounts,mountinfo,mountstats} + * + * In fact, that's a piece of procfs; it's *almost* isolated from + * the rest of fs/proc, but has rather close relationships with + * fs/namespace.c, thus here instead of fs/proc + * + */ +#include <linux/mnt_namespace.h> +#include <linux/nsproxy.h> +#include <linux/security.h> +#include <linux/fs_struct.h> +#include "proc/internal.h" /* only for get_proc_task() in ->open() */ + +#include "pnode.h" +#include "internal.h" + +static unsigned mounts_poll(struct file *file, poll_table *wait) +{ + struct proc_mounts *p = file->private_data; + struct mnt_namespace *ns = p->ns; + unsigned res = POLLIN | POLLRDNORM; + + poll_wait(file, &p->ns->poll, wait); + + br_read_lock(vfsmount_lock); + if (p->m.poll_event != ns->event) { + p->m.poll_event = ns->event; + res |= POLLERR | POLLPRI; + } + br_read_unlock(vfsmount_lock); + + return res; +} + +struct proc_fs_info { + int flag; + const char *str; +}; + +static int show_sb_opts(struct seq_file *m, struct super_block *sb) +{ + static const struct proc_fs_info fs_info[] = { + { MS_SYNCHRONOUS, ",sync" }, + { MS_DIRSYNC, ",dirsync" }, + { MS_MANDLOCK, ",mand" }, + { 0, NULL } + }; + const struct proc_fs_info *fs_infop; + + for (fs_infop = fs_info; fs_infop->flag; fs_infop++) { + if (sb->s_flags & fs_infop->flag) + seq_puts(m, fs_infop->str); + } + + return security_sb_show_options(m, sb); +} + +static void show_mnt_opts(struct seq_file *m, struct vfsmount *mnt) +{ + static const struct proc_fs_info mnt_info[] = { + { MNT_NOSUID, ",nosuid" }, + { MNT_NODEV, ",nodev" }, + { MNT_NOEXEC, ",noexec" }, + { MNT_NOATIME, ",noatime" }, + { MNT_NODIRATIME, ",nodiratime" }, + { MNT_RELATIME, ",relatime" }, + { 0, NULL } + }; + const struct proc_fs_info *fs_infop; + + for (fs_infop = mnt_info; fs_infop->flag; fs_infop++) { + if (mnt->mnt_flags & fs_infop->flag) + seq_puts(m, fs_infop->str); + } +} + +static inline void mangle(struct seq_file *m, const char *s) +{ + seq_escape(m, s, " \t\n\\"); +} + +static void show_type(struct seq_file *m, struct super_block *sb) +{ + mangle(m, sb->s_type->name); + if (sb->s_subtype && sb->s_subtype[0]) { + seq_putc(m, '.'); + mangle(m, sb->s_subtype); + } +} + +static int show_vfsmnt(struct seq_file *m, struct vfsmount *mnt) +{ + struct mount *r = real_mount(mnt); + int err = 0; + struct path mnt_path = { .dentry = mnt->mnt_root, .mnt = mnt }; + struct super_block *sb = mnt_path.dentry->d_sb; + + if (sb->s_op->show_devname) { + err = sb->s_op->show_devname(m, mnt_path.dentry); + if (err) + goto out; + } else { + mangle(m, r->mnt_devname ? r->mnt_devname : "none"); + } + seq_putc(m, ' '); + seq_path(m, &mnt_path, " \t\n\\"); + seq_putc(m, ' '); + show_type(m, sb); + seq_puts(m, __mnt_is_readonly(mnt) ? " ro" : " rw"); + err = show_sb_opts(m, sb); + if (err) + goto out; + show_mnt_opts(m, mnt); + if (sb->s_op->show_options) + err = sb->s_op->show_options(m, mnt_path.dentry); + seq_puts(m, " 0 0\n"); +out: + return err; +} + +static int show_mountinfo(struct seq_file *m, struct vfsmount *mnt) +{ + struct proc_mounts *p = m->private; + struct mount *r = real_mount(mnt); + struct super_block *sb = mnt->mnt_sb; + struct path mnt_path = { .dentry = mnt->mnt_root, .mnt = mnt }; + struct path root = p->root; + int err = 0; + + seq_printf(m, "%i %i %u:%u ", r->mnt_id, r->mnt_parent->mnt_id, + MAJOR(sb->s_dev), MINOR(sb->s_dev)); + if (sb->s_op->show_path) + err = sb->s_op->show_path(m, mnt->mnt_root); + else + seq_dentry(m, mnt->mnt_root, " \t\n\\"); + if (err) + goto out; + seq_putc(m, ' '); + + /* mountpoints outside of chroot jail will give SEQ_SKIP on this */ + err = seq_path_root(m, &mnt_path, &root, " \t\n\\"); + if (err) + goto out; + + seq_puts(m, mnt->mnt_flags & MNT_READONLY ? " ro" : " rw"); + show_mnt_opts(m, mnt); + + /* Tagged fields ("foo:X" or "bar") */ + if (IS_MNT_SHARED(r)) + seq_printf(m, " shared:%i", r->mnt_group_id); + if (IS_MNT_SLAVE(r)) { + int master = r->mnt_master->mnt_group_id; + int dom = get_dominating_id(r, &p->root); + seq_printf(m, " master:%i", master); + if (dom && dom != master) + seq_printf(m, " propagate_from:%i", dom); + } + if (IS_MNT_UNBINDABLE(r)) + seq_puts(m, " unbindable"); + + /* Filesystem specific data */ + seq_puts(m, " - "); + show_type(m, sb); + seq_putc(m, ' '); + if (sb->s_op->show_devname) + err = sb->s_op->show_devname(m, mnt->mnt_root); + else + mangle(m, r->mnt_devname ? r->mnt_devname : "none"); + if (err) + goto out; + seq_puts(m, sb->s_flags & MS_RDONLY ? " ro" : " rw"); + err = show_sb_opts(m, sb); + if (err) + goto out; + if (sb->s_op->show_options) + err = sb->s_op->show_options(m, mnt->mnt_root); + seq_putc(m, '\n'); +out: + return err; +} + +static int show_vfsstat(struct seq_file *m, struct vfsmount *mnt) +{ + struct mount *r = real_mount(mnt); + struct path mnt_path = { .dentry = mnt->mnt_root, .mnt = mnt }; + struct super_block *sb = mnt_path.dentry->d_sb; + int err = 0; + + /* device */ + if (sb->s_op->show_devname) { + seq_puts(m, "device "); + err = sb->s_op->show_devname(m, mnt_path.dentry); + } else { + if (r->mnt_devname) { + seq_puts(m, "device "); + mangle(m, r->mnt_devname); + } else + seq_puts(m, "no device"); + } + + /* mount point */ + seq_puts(m, " mounted on "); + seq_path(m, &mnt_path, " \t\n\\"); + seq_putc(m, ' '); + + /* file system type */ + seq_puts(m, "with fstype "); + show_type(m, sb); + + /* optional statistics */ + if (sb->s_op->show_stats) { + seq_putc(m, ' '); + if (!err) + err = sb->s_op->show_stats(m, mnt_path.dentry); + } + + seq_putc(m, '\n'); + return err; +} + +static int mounts_open_common(struct inode *inode, struct file *file, + int (*show)(struct seq_file *, struct vfsmount *)) +{ + struct task_struct *task = get_proc_task(inode); + struct nsproxy *nsp; + struct mnt_namespace *ns = NULL; + struct path root; + struct proc_mounts *p; + int ret = -EINVAL; + + if (!task) + goto err; + + rcu_read_lock(); + nsp = task_nsproxy(task); + if (!nsp) { + rcu_read_unlock(); + put_task_struct(task); + goto err; + } + ns = nsp->mnt_ns; + if (!ns) { + rcu_read_unlock(); + put_task_struct(task); + goto err; + } + get_mnt_ns(ns); + rcu_read_unlock(); + task_lock(task); + if (!task->fs) { + task_unlock(task); + put_task_struct(task); + ret = -ENOENT; + goto err_put_ns; + } + get_fs_root(task->fs, &root); + task_unlock(task); + put_task_struct(task); + + ret = -ENOMEM; + p = kmalloc(sizeof(struct proc_mounts), GFP_KERNEL); + if (!p) + goto err_put_path; + + file->private_data = &p->m; + ret = seq_open(file, &mounts_op); + if (ret) + goto err_free; + + p->m.private = p; + p->ns = ns; + p->root = root; + p->m.poll_event = ns->event; + p->show = show; + + return 0; + + err_free: + kfree(p); + err_put_path: + path_put(&root); + err_put_ns: + put_mnt_ns(ns); + err: + return ret; +} + +static int mounts_release(struct inode *inode, struct file *file) +{ + struct proc_mounts *p = file->private_data; + path_put(&p->root); + put_mnt_ns(p->ns); + return seq_release(inode, file); +} + +static int mounts_open(struct inode *inode, struct file *file) +{ + return mounts_open_common(inode, file, show_vfsmnt); +} + +static int mountinfo_open(struct inode *inode, struct file *file) +{ + return mounts_open_common(inode, file, show_mountinfo); +} + +static int mountstats_open(struct inode *inode, struct file *file) +{ + return mounts_open_common(inode, file, show_vfsstat); +} + +const struct file_operations proc_mounts_operations = { + .open = mounts_open, + .read = seq_read, + .llseek = seq_lseek, + .release = mounts_release, + .poll = mounts_poll, +}; + +const struct file_operations proc_mountinfo_operations = { + .open = mountinfo_open, + .read = seq_read, + .llseek = seq_lseek, + .release = mounts_release, + .poll = mounts_poll, +}; + +const struct file_operations proc_mountstats_operations = { + .open = mountstats_open, + .read = seq_read, + .llseek = seq_lseek, + .release = mounts_release, +}; diff --git a/fs/qnx4/inode.c b/fs/qnx4/inode.c index 3bdd21418432..b90c7967fcae 100644 --- a/fs/qnx4/inode.c +++ b/fs/qnx4/inode.c @@ -427,7 +427,6 @@ static struct inode *qnx4_alloc_inode(struct super_block *sb) static void qnx4_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(qnx4_inode_cachep, qnx4_i(inode)); } diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index 5b572c89e6c4..5ec59b20cf76 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -73,7 +73,6 @@ #include <linux/security.h> #include <linux/kmod.h> #include <linux/namei.h> -#include <linux/buffer_head.h> #include <linux/capability.h> #include <linux/quotaops.h> #include "../internal.h" /* ugh */ @@ -2199,7 +2198,7 @@ int dquot_quota_on(struct super_block *sb, int type, int format_id, if (error) return error; /* Quota file not on the same filesystem? */ - if (path->mnt->mnt_sb != sb) + if (path->dentry->d_sb != sb) error = -EXDEV; else error = vfs_load_quota_inode(path->dentry->d_inode, type, diff --git a/fs/quota/quota.c b/fs/quota/quota.c index 35f4b0ecdeb3..7898cd688a00 100644 --- a/fs/quota/quota.c +++ b/fs/quota/quota.c @@ -13,7 +13,6 @@ #include <linux/kernel.h> #include <linux/security.h> #include <linux/syscalls.h> -#include <linux/buffer_head.h> #include <linux/capability.h> #include <linux/quotaops.h> #include <linux/types.h> diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c index 462ceb38fec6..aec766abe3af 100644 --- a/fs/ramfs/inode.c +++ b/fs/ramfs/inode.c @@ -52,7 +52,7 @@ static struct backing_dev_info ramfs_backing_dev_info = { }; struct inode *ramfs_get_inode(struct super_block *sb, - const struct inode *dir, int mode, dev_t dev) + const struct inode *dir, umode_t mode, dev_t dev) { struct inode * inode = new_inode(sb); @@ -92,7 +92,7 @@ struct inode *ramfs_get_inode(struct super_block *sb, */ /* SMP-safe */ static int -ramfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) +ramfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) { struct inode * inode = ramfs_get_inode(dir->i_sb, dir, mode, dev); int error = -ENOSPC; @@ -106,7 +106,7 @@ ramfs_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) return error; } -static int ramfs_mkdir(struct inode * dir, struct dentry * dentry, int mode) +static int ramfs_mkdir(struct inode * dir, struct dentry * dentry, umode_t mode) { int retval = ramfs_mknod(dir, dentry, mode | S_IFDIR, 0); if (!retval) @@ -114,7 +114,7 @@ static int ramfs_mkdir(struct inode * dir, struct dentry * dentry, int mode) return retval; } -static int ramfs_create(struct inode *dir, struct dentry *dentry, int mode, struct nameidata *nd) +static int ramfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { return ramfs_mknod(dir, dentry, mode | S_IFREG, 0); } diff --git a/fs/reiserfs/bitmap.c b/fs/reiserfs/bitmap.c index d1aca1df4f92..a945cd265228 100644 --- a/fs/reiserfs/bitmap.c +++ b/fs/reiserfs/bitmap.c @@ -13,6 +13,7 @@ #include <linux/reiserfs_fs_sb.h> #include <linux/reiserfs_fs_i.h> #include <linux/quotaops.h> +#include <linux/seq_file.h> #define PREALLOCATION_SIZE 9 @@ -634,6 +635,96 @@ int reiserfs_parse_alloc_options(struct super_block *s, char *options) return 0; } +static void print_sep(struct seq_file *seq, int *first) +{ + if (!*first) + seq_puts(seq, ":"); + else + *first = 0; +} + +void show_alloc_options(struct seq_file *seq, struct super_block *s) +{ + int first = 1; + + if (SB_ALLOC_OPTS(s) == ((1 << _ALLOC_skip_busy) | + (1 << _ALLOC_dirid_groups) | (1 << _ALLOC_packing_groups))) + return; + + seq_puts(seq, ",alloc="); + + if (TEST_OPTION(concentrating_formatted_nodes, s)) { + print_sep(seq, &first); + if (REISERFS_SB(s)->s_alloc_options.border != 10) { + seq_printf(seq, "concentrating_formatted_nodes=%d", + 100 / REISERFS_SB(s)->s_alloc_options.border); + } else + seq_puts(seq, "concentrating_formatted_nodes"); + } + if (TEST_OPTION(displacing_large_files, s)) { + print_sep(seq, &first); + if (REISERFS_SB(s)->s_alloc_options.large_file_size != 16) { + seq_printf(seq, "displacing_large_files=%lu", + REISERFS_SB(s)->s_alloc_options.large_file_size); + } else + seq_puts(seq, "displacing_large_files"); + } + if (TEST_OPTION(displacing_new_packing_localities, s)) { + print_sep(seq, &first); + seq_puts(seq, "displacing_new_packing_localities"); + } + if (TEST_OPTION(old_hashed_relocation, s)) { + print_sep(seq, &first); + seq_puts(seq, "old_hashed_relocation"); + } + if (TEST_OPTION(new_hashed_relocation, s)) { + print_sep(seq, &first); + seq_puts(seq, "new_hashed_relocation"); + } + if (TEST_OPTION(dirid_groups, s)) { + print_sep(seq, &first); + seq_puts(seq, "dirid_groups"); + } + if (TEST_OPTION(oid_groups, s)) { + print_sep(seq, &first); + seq_puts(seq, "oid_groups"); + } + if (TEST_OPTION(packing_groups, s)) { + print_sep(seq, &first); + seq_puts(seq, "packing_groups"); + } + if (TEST_OPTION(hashed_formatted_nodes, s)) { + print_sep(seq, &first); + seq_puts(seq, "hashed_formatted_nodes"); + } + if (TEST_OPTION(skip_busy, s)) { + print_sep(seq, &first); + seq_puts(seq, "skip_busy"); + } + if (TEST_OPTION(hundredth_slices, s)) { + print_sep(seq, &first); + seq_puts(seq, "hundredth_slices"); + } + if (TEST_OPTION(old_way, s)) { + print_sep(seq, &first); + seq_puts(seq, "old_way"); + } + if (TEST_OPTION(displace_based_on_dirid, s)) { + print_sep(seq, &first); + seq_puts(seq, "displace_based_on_dirid"); + } + if (REISERFS_SB(s)->s_alloc_options.preallocmin != 0) { + print_sep(seq, &first); + seq_printf(seq, "preallocmin=%d", + REISERFS_SB(s)->s_alloc_options.preallocmin); + } + if (REISERFS_SB(s)->s_alloc_options.preallocsize != 17) { + print_sep(seq, &first); + seq_printf(seq, "preallocsize=%d", + REISERFS_SB(s)->s_alloc_options.preallocsize); + } +} + static inline void new_hashed_relocation(reiserfs_blocknr_hint_t * hint) { char *hash_in; diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index 950f13af0951..9e8cd5acd79c 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -1766,7 +1766,7 @@ static int reiserfs_new_symlink(struct reiserfs_transaction_handle *th, struct i for the fresh inode. This can only be done outside a transaction, so if we return non-zero, we also end the transaction. */ int reiserfs_new_inode(struct reiserfs_transaction_handle *th, - struct inode *dir, int mode, const char *symname, + struct inode *dir, umode_t mode, const char *symname, /* 0 for regular, EMTRY_DIR_SIZE for dirs, strlen (symname) for symlinks) */ loff_t i_size, struct dentry *dentry, diff --git a/fs/reiserfs/ioctl.c b/fs/reiserfs/ioctl.c index 4e153051bc75..950e3d1b5c9e 100644 --- a/fs/reiserfs/ioctl.c +++ b/fs/reiserfs/ioctl.c @@ -55,7 +55,7 @@ long reiserfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) break; } - err = mnt_want_write(filp->f_path.mnt); + err = mnt_want_write_file(filp); if (err) break; @@ -96,7 +96,7 @@ long reiserfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) inode->i_ctime = CURRENT_TIME_SEC; mark_inode_dirty(inode); setflags_out: - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); break; } case REISERFS_IOC_GETVERSION: @@ -107,7 +107,7 @@ setflags_out: err = -EPERM; break; } - err = mnt_want_write(filp->f_path.mnt); + err = mnt_want_write_file(filp); if (err) break; if (get_user(inode->i_generation, (int __user *)arg)) { @@ -117,7 +117,7 @@ setflags_out: inode->i_ctime = CURRENT_TIME_SEC; mark_inode_dirty(inode); setversion_out: - mnt_drop_write(filp->f_path.mnt); + mnt_drop_write_file(filp); break; default: err = -ENOTTY; diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c index 80058e8ce361..146378865239 100644 --- a/fs/reiserfs/namei.c +++ b/fs/reiserfs/namei.c @@ -559,7 +559,7 @@ static int drop_new_inode(struct inode *inode) ** outside of a transaction, so we had to pull some bits of ** reiserfs_new_inode out into this func. */ -static int new_inode_init(struct inode *inode, struct inode *dir, int mode) +static int new_inode_init(struct inode *inode, struct inode *dir, umode_t mode) { /* Make inode invalid - just in case we are going to drop it before * the initialization happens */ @@ -572,7 +572,7 @@ static int new_inode_init(struct inode *inode, struct inode *dir, int mode) return 0; } -static int reiserfs_create(struct inode *dir, struct dentry *dentry, int mode, +static int reiserfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { int retval; @@ -643,7 +643,7 @@ static int reiserfs_create(struct inode *dir, struct dentry *dentry, int mode, return retval; } -static int reiserfs_mknod(struct inode *dir, struct dentry *dentry, int mode, +static int reiserfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rdev) { int retval; @@ -721,7 +721,7 @@ static int reiserfs_mknod(struct inode *dir, struct dentry *dentry, int mode, return retval; } -static int reiserfs_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int reiserfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { int retval; struct inode *inode; diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index 14363b96b6af..19c454e61b79 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -28,6 +28,7 @@ #include <linux/mount.h> #include <linux/namei.h> #include <linux/crc32.h> +#include <linux/seq_file.h> struct file_system_type reiserfs_fs_type; @@ -61,6 +62,7 @@ static int is_any_reiserfs_magic_string(struct reiserfs_super_block *rs) static int reiserfs_remount(struct super_block *s, int *flags, char *data); static int reiserfs_statfs(struct dentry *dentry, struct kstatfs *buf); +void show_alloc_options(struct seq_file *seq, struct super_block *s); static int reiserfs_sync_fs(struct super_block *s, int wait) { @@ -532,7 +534,6 @@ static struct inode *reiserfs_alloc_inode(struct super_block *sb) static void reiserfs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(reiserfs_inode_cachep, REISERFS_I(inode)); } @@ -597,6 +598,82 @@ out: reiserfs_write_unlock_once(inode->i_sb, lock_depth); } +static int reiserfs_show_options(struct seq_file *seq, struct dentry *root) +{ + struct super_block *s = root->d_sb; + struct reiserfs_journal *journal = SB_JOURNAL(s); + long opts = REISERFS_SB(s)->s_mount_opt; + + if (opts & (1 << REISERFS_LARGETAIL)) + seq_puts(seq, ",tails=on"); + else if (!(opts & (1 << REISERFS_SMALLTAIL))) + seq_puts(seq, ",notail"); + /* tails=small is default so we don't show it */ + + if (!(opts & (1 << REISERFS_BARRIER_FLUSH))) + seq_puts(seq, ",barrier=none"); + /* barrier=flush is default so we don't show it */ + + if (opts & (1 << REISERFS_ERROR_CONTINUE)) + seq_puts(seq, ",errors=continue"); + else if (opts & (1 << REISERFS_ERROR_PANIC)) + seq_puts(seq, ",errors=panic"); + /* errors=ro is default so we don't show it */ + + if (opts & (1 << REISERFS_DATA_LOG)) + seq_puts(seq, ",data=journal"); + else if (opts & (1 << REISERFS_DATA_WRITEBACK)) + seq_puts(seq, ",data=writeback"); + /* data=ordered is default so we don't show it */ + + if (opts & (1 << REISERFS_ATTRS)) + seq_puts(seq, ",attrs"); + + if (opts & (1 << REISERFS_XATTRS_USER)) + seq_puts(seq, ",user_xattr"); + + if (opts & (1 << REISERFS_EXPOSE_PRIVROOT)) + seq_puts(seq, ",expose_privroot"); + + if (opts & (1 << REISERFS_POSIXACL)) + seq_puts(seq, ",acl"); + + if (REISERFS_SB(s)->s_jdev) + seq_printf(seq, ",jdev=%s", REISERFS_SB(s)->s_jdev); + + if (journal->j_max_commit_age != journal->j_default_max_commit_age) + seq_printf(seq, ",commit=%d", journal->j_max_commit_age); + +#ifdef CONFIG_QUOTA + if (REISERFS_SB(s)->s_qf_names[USRQUOTA]) + seq_printf(seq, ",usrjquota=%s", REISERFS_SB(s)->s_qf_names[USRQUOTA]); + else if (opts & (1 << REISERFS_USRQUOTA)) + seq_puts(seq, ",usrquota"); + if (REISERFS_SB(s)->s_qf_names[GRPQUOTA]) + seq_printf(seq, ",grpjquota=%s", REISERFS_SB(s)->s_qf_names[GRPQUOTA]); + else if (opts & (1 << REISERFS_GRPQUOTA)) + seq_puts(seq, ",grpquota"); + if (REISERFS_SB(s)->s_jquota_fmt) { + if (REISERFS_SB(s)->s_jquota_fmt == QFMT_VFS_OLD) + seq_puts(seq, ",jqfmt=vfsold"); + else if (REISERFS_SB(s)->s_jquota_fmt == QFMT_VFS_V0) + seq_puts(seq, ",jqfmt=vfsv0"); + } +#endif + + /* Block allocator options */ + if (opts & (1 << REISERFS_NO_BORDER)) + seq_puts(seq, ",block-allocator=noborder"); + if (opts & (1 << REISERFS_NO_UNHASHED_RELOCATION)) + seq_puts(seq, ",block-allocator=no_unhashed_relocation"); + if (opts & (1 << REISERFS_HASHED_RELOCATION)) + seq_puts(seq, ",block-allocator=hashed_relocation"); + if (opts & (1 << REISERFS_TEST4)) + seq_puts(seq, ",block-allocator=test4"); + show_alloc_options(seq, s); + return 0; +} + #ifdef CONFIG_QUOTA static ssize_t reiserfs_quota_write(struct super_block *, int, const char *, size_t, loff_t); @@ -617,7 +694,7 @@ static const struct super_operations reiserfs_sops = { .unfreeze_fs = reiserfs_unfreeze, .statfs = reiserfs_statfs, .remount_fs = reiserfs_remount, - .show_options = generic_show_options, + .show_options = reiserfs_show_options, #ifdef CONFIG_QUOTA .quota_read = reiserfs_quota_read, .quota_write = reiserfs_quota_write, @@ -915,9 +992,9 @@ static int reiserfs_parse_options(struct super_block *s, char *options, /* strin {"jdev",.arg_required = 'j',.values = NULL}, {"nolargeio",.arg_required = 'w',.values = NULL}, {"commit",.arg_required = 'c',.values = NULL}, - {"usrquota",.setmask = 1 << REISERFS_QUOTA}, - {"grpquota",.setmask = 1 << REISERFS_QUOTA}, - {"noquota",.clrmask = 1 << REISERFS_QUOTA}, + {"usrquota",.setmask = 1 << REISERFS_USRQUOTA}, + {"grpquota",.setmask = 1 << REISERFS_GRPQUOTA}, + {"noquota",.clrmask = 1 << REISERFS_USRQUOTA | 1 << REISERFS_GRPQUOTA}, {"errors",.arg_required = 'e',.values = error_actions}, {"usrjquota",.arg_required = 'u' | (1 << REISERFS_OPT_ALLOWEMPTY),.values = NULL}, @@ -1031,12 +1108,19 @@ static int reiserfs_parse_options(struct super_block *s, char *options, /* strin return 0; } strcpy(qf_names[qtype], arg); - *mount_options |= 1 << REISERFS_QUOTA; + if (qtype == USRQUOTA) + *mount_options |= 1 << REISERFS_USRQUOTA; + else + *mount_options |= 1 << REISERFS_GRPQUOTA; } else { if (qf_names[qtype] != REISERFS_SB(s)->s_qf_names[qtype]) kfree(qf_names[qtype]); qf_names[qtype] = NULL; + if (qtype == USRQUOTA) + *mount_options &= ~(1 << REISERFS_USRQUOTA); + else + *mount_options &= ~(1 << REISERFS_GRPQUOTA); } } if (c == 'f') { @@ -1075,9 +1159,10 @@ static int reiserfs_parse_options(struct super_block *s, char *options, /* strin "journaled quota format not specified."); return 0; } - /* This checking is not precise wrt the quota type but for our purposes it is sufficient */ - if (!(*mount_options & (1 << REISERFS_QUOTA)) - && sb_any_quota_loaded(s)) { + if ((!(*mount_options & (1 << REISERFS_USRQUOTA)) && + sb_has_quota_loaded(s, USRQUOTA)) || + (!(*mount_options & (1 << REISERFS_GRPQUOTA)) && + sb_has_quota_loaded(s, GRPQUOTA))) { reiserfs_warning(s, "super-6516", "quota options must " "be present when quota is turned on."); return 0; @@ -1225,7 +1310,8 @@ static int reiserfs_remount(struct super_block *s, int *mount_flags, char *arg) safe_mask |= 1 << REISERFS_ERROR_RO; safe_mask |= 1 << REISERFS_ERROR_CONTINUE; safe_mask |= 1 << REISERFS_ERROR_PANIC; - safe_mask |= 1 << REISERFS_QUOTA; + safe_mask |= 1 << REISERFS_USRQUOTA; + safe_mask |= 1 << REISERFS_GRPQUOTA; /* Update the bitmask, taking care to keep * the bits we're not allowed to change here */ @@ -1672,6 +1758,14 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent) &commit_max_age, qf_names, &qfmt) == 0) { goto error; } + if (jdev_name && jdev_name[0]) { + REISERFS_SB(s)->s_jdev = kstrdup(jdev_name, GFP_KERNEL); + if (!REISERFS_SB(s)->s_jdev) { + SWARN(silent, s, "", "Cannot allocate memory for " + "journal device name"); + goto error; + } + } #ifdef CONFIG_QUOTA handle_quota_files(s, qf_names, &qfmt); #endif @@ -2054,12 +2148,13 @@ static int reiserfs_quota_on(struct super_block *sb, int type, int format_id, int err; struct inode *inode; struct reiserfs_transaction_handle th; + int opt = type == USRQUOTA ? REISERFS_USRQUOTA : REISERFS_GRPQUOTA; - if (!(REISERFS_SB(sb)->s_mount_opt & (1 << REISERFS_QUOTA))) + if (!(REISERFS_SB(sb)->s_mount_opt & (1 << opt))) return -EINVAL; /* Quotafile not on the same filesystem? */ - if (path->mnt->mnt_sb != sb) { + if (path->dentry->d_sb != sb) { err = -EXDEV; goto out; } diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c index 6bc346c160e7..c24deda8a8bc 100644 --- a/fs/reiserfs/xattr.c +++ b/fs/reiserfs/xattr.c @@ -66,7 +66,7 @@ static int xattr_create(struct inode *dir, struct dentry *dentry, int mode) } #endif -static int xattr_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int xattr_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { BUG_ON(!mutex_is_locked(&dir->i_mutex)); return dir->i_op->mkdir(dir, dentry, mode); diff --git a/fs/romfs/super.c b/fs/romfs/super.c index 8b4089f30408..bb36ab74eb45 100644 --- a/fs/romfs/super.c +++ b/fs/romfs/super.c @@ -403,7 +403,6 @@ static struct inode *romfs_alloc_inode(struct super_block *sb) static void romfs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(romfs_inode_cachep, ROMFS_I(inode)); } diff --git a/fs/seq_file.c b/fs/seq_file.c index dba43c3ea3af..4023d6be939b 100644 --- a/fs/seq_file.c +++ b/fs/seq_file.c @@ -397,7 +397,7 @@ EXPORT_SYMBOL(seq_printf); * Returns pointer past last written character in @s, or NULL in case of * failure. */ -char *mangle_path(char *s, char *p, char *esc) +char *mangle_path(char *s, const char *p, const char *esc) { while (s <= p) { char c = *p++; @@ -427,7 +427,7 @@ EXPORT_SYMBOL(mangle_path); * return the absolute path of 'path', as represented by the * dentry / mnt pair in the path parameter. */ -int seq_path(struct seq_file *m, struct path *path, char *esc) +int seq_path(struct seq_file *m, const struct path *path, const char *esc) { char *buf; size_t size = seq_get_buf(m, &buf); @@ -450,8 +450,8 @@ EXPORT_SYMBOL(seq_path); /* * Same as seq_path, but relative to supplied root. */ -int seq_path_root(struct seq_file *m, struct path *path, struct path *root, - char *esc) +int seq_path_root(struct seq_file *m, const struct path *path, + const struct path *root, const char *esc) { char *buf; size_t size = seq_get_buf(m, &buf); @@ -480,7 +480,7 @@ int seq_path_root(struct seq_file *m, struct path *path, struct path *root, /* * returns the path of the 'dentry' from the root of its filesystem. */ -int seq_dentry(struct seq_file *m, struct dentry *dentry, char *esc) +int seq_dentry(struct seq_file *m, struct dentry *dentry, const char *esc) { char *buf; size_t size = seq_get_buf(m, &buf); diff --git a/fs/splice.c b/fs/splice.c index fa2defa8afcf..1ec0493266b3 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -25,7 +25,6 @@ #include <linux/mm_inline.h> #include <linux/swap.h> #include <linux/writeback.h> -#include <linux/buffer_head.h> #include <linux/module.h> #include <linux/syscalls.h> #include <linux/uio.h> diff --git a/fs/squashfs/super.c b/fs/squashfs/super.c index 2da1715452ac..d0858c2d9a47 100644 --- a/fs/squashfs/super.c +++ b/fs/squashfs/super.c @@ -464,7 +464,6 @@ static struct inode *squashfs_alloc_inode(struct super_block *sb) static void squashfs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(squashfs_inode_cachep, squashfs_i(inode)); } diff --git a/fs/statfs.c b/fs/statfs.c index 9cf04a118965..2aa6a22e0be2 100644 --- a/fs/statfs.c +++ b/fs/statfs.c @@ -7,6 +7,7 @@ #include <linux/statfs.h> #include <linux/security.h> #include <linux/uaccess.h> +#include "internal.h" static int flags_by_mnt(int mnt_flags) { @@ -45,7 +46,7 @@ static int calculate_f_flags(struct vfsmount *mnt) flags_by_sb(mnt->mnt_sb->s_flags); } -int statfs_by_dentry(struct dentry *dentry, struct kstatfs *buf) +static int statfs_by_dentry(struct dentry *dentry, struct kstatfs *buf) { int retval; @@ -205,19 +206,23 @@ SYSCALL_DEFINE3(fstatfs64, unsigned int, fd, size_t, sz, struct statfs64 __user return error; } -SYSCALL_DEFINE2(ustat, unsigned, dev, struct ustat __user *, ubuf) +int vfs_ustat(dev_t dev, struct kstatfs *sbuf) { - struct super_block *s; - struct ustat tmp; - struct kstatfs sbuf; + struct super_block *s = user_get_super(dev); int err; - - s = user_get_super(new_decode_dev(dev)); if (!s) return -EINVAL; - err = statfs_by_dentry(s->s_root, &sbuf); + err = statfs_by_dentry(s->s_root, sbuf); drop_super(s); + return err; +} + +SYSCALL_DEFINE2(ustat, unsigned, dev, struct ustat __user *, ubuf) +{ + struct ustat tmp; + struct kstatfs sbuf; + int err = vfs_ustat(new_decode_dev(dev), &sbuf); if (err) return err; diff --git a/fs/super.c b/fs/super.c index afd0f1ad45e0..de41e1e46f09 100644 --- a/fs/super.c +++ b/fs/super.c @@ -136,12 +136,13 @@ static struct super_block *alloc_super(struct file_system_type *type) INIT_LIST_HEAD(&s->s_files); #endif s->s_bdi = &default_backing_dev_info; - INIT_LIST_HEAD(&s->s_instances); + INIT_HLIST_NODE(&s->s_instances); INIT_HLIST_BL_HEAD(&s->s_anon); INIT_LIST_HEAD(&s->s_inodes); INIT_LIST_HEAD(&s->s_dentry_lru); INIT_LIST_HEAD(&s->s_inode_lru); spin_lock_init(&s->s_inode_lru_lock); + INIT_LIST_HEAD(&s->s_mounts); init_rwsem(&s->s_umount); mutex_init(&s->s_lock); lockdep_set_class(&s->s_umount, &type->s_umount_key); @@ -200,6 +201,7 @@ static inline void destroy_super(struct super_block *s) free_percpu(s->s_files); #endif security_sb_free(s); + WARN_ON(!list_empty(&s->s_mounts)); kfree(s->s_subtype); kfree(s->s_options); kfree(s); @@ -210,7 +212,7 @@ static inline void destroy_super(struct super_block *s) /* * Drop a superblock's refcount. The caller must hold sb_lock. */ -void __put_super(struct super_block *sb) +static void __put_super(struct super_block *sb) { if (!--sb->s_count) { list_del_init(&sb->s_list); @@ -225,7 +227,7 @@ void __put_super(struct super_block *sb) * Drops a temporary reference, frees superblock if there's no * references left. */ -void put_super(struct super_block *sb) +static void put_super(struct super_block *sb) { spin_lock(&sb_lock); __put_super(sb); @@ -328,7 +330,7 @@ static int grab_super(struct super_block *s) __releases(sb_lock) bool grab_super_passive(struct super_block *sb) { spin_lock(&sb_lock); - if (list_empty(&sb->s_instances)) { + if (hlist_unhashed(&sb->s_instances)) { spin_unlock(&sb_lock); return false; } @@ -337,7 +339,7 @@ bool grab_super_passive(struct super_block *sb) spin_unlock(&sb_lock); if (down_read_trylock(&sb->s_umount)) { - if (sb->s_root) + if (sb->s_root && (sb->s_flags & MS_BORN)) return true; up_read(&sb->s_umount); } @@ -400,7 +402,7 @@ void generic_shutdown_super(struct super_block *sb) } spin_lock(&sb_lock); /* should be initialized for __put_super_and_need_restart() */ - list_del_init(&sb->s_instances); + hlist_del_init(&sb->s_instances); spin_unlock(&sb_lock); up_write(&sb->s_umount); } @@ -420,13 +422,14 @@ struct super_block *sget(struct file_system_type *type, void *data) { struct super_block *s = NULL; + struct hlist_node *node; struct super_block *old; int err; retry: spin_lock(&sb_lock); if (test) { - list_for_each_entry(old, &type->fs_supers, s_instances) { + hlist_for_each_entry(old, node, &type->fs_supers, s_instances) { if (!test(old, data)) continue; if (!grab_super(old)) @@ -462,7 +465,7 @@ retry: s->s_type = type; strlcpy(s->s_id, type->name, sizeof(s->s_id)); list_add_tail(&s->s_list, &super_blocks); - list_add(&s->s_instances, &type->fs_supers); + hlist_add_head(&s->s_instances, &type->fs_supers); spin_unlock(&sb_lock); get_filesystem(type); register_shrinker(&s->s_shrink); @@ -497,14 +500,14 @@ void sync_supers(void) spin_lock(&sb_lock); list_for_each_entry(sb, &super_blocks, s_list) { - if (list_empty(&sb->s_instances)) + if (hlist_unhashed(&sb->s_instances)) continue; if (sb->s_op->write_super && sb->s_dirt) { sb->s_count++; spin_unlock(&sb_lock); down_read(&sb->s_umount); - if (sb->s_root && sb->s_dirt) + if (sb->s_root && sb->s_dirt && (sb->s_flags & MS_BORN)) sb->s_op->write_super(sb); up_read(&sb->s_umount); @@ -533,13 +536,13 @@ void iterate_supers(void (*f)(struct super_block *, void *), void *arg) spin_lock(&sb_lock); list_for_each_entry(sb, &super_blocks, s_list) { - if (list_empty(&sb->s_instances)) + if (hlist_unhashed(&sb->s_instances)) continue; sb->s_count++; spin_unlock(&sb_lock); down_read(&sb->s_umount); - if (sb->s_root) + if (sb->s_root && (sb->s_flags & MS_BORN)) f(sb, arg); up_read(&sb->s_umount); @@ -566,14 +569,15 @@ void iterate_supers_type(struct file_system_type *type, void (*f)(struct super_block *, void *), void *arg) { struct super_block *sb, *p = NULL; + struct hlist_node *node; spin_lock(&sb_lock); - list_for_each_entry(sb, &type->fs_supers, s_instances) { + hlist_for_each_entry(sb, node, &type->fs_supers, s_instances) { sb->s_count++; spin_unlock(&sb_lock); down_read(&sb->s_umount); - if (sb->s_root) + if (sb->s_root && (sb->s_flags & MS_BORN)) f(sb, arg); up_read(&sb->s_umount); @@ -607,14 +611,14 @@ struct super_block *get_super(struct block_device *bdev) spin_lock(&sb_lock); rescan: list_for_each_entry(sb, &super_blocks, s_list) { - if (list_empty(&sb->s_instances)) + if (hlist_unhashed(&sb->s_instances)) continue; if (sb->s_bdev == bdev) { sb->s_count++; spin_unlock(&sb_lock); down_read(&sb->s_umount); /* still alive? */ - if (sb->s_root) + if (sb->s_root && (sb->s_flags & MS_BORN)) return sb; up_read(&sb->s_umount); /* nope, got unmounted */ @@ -647,7 +651,7 @@ struct super_block *get_active_super(struct block_device *bdev) restart: spin_lock(&sb_lock); list_for_each_entry(sb, &super_blocks, s_list) { - if (list_empty(&sb->s_instances)) + if (hlist_unhashed(&sb->s_instances)) continue; if (sb->s_bdev == bdev) { if (grab_super(sb)) /* drops sb_lock */ @@ -667,14 +671,14 @@ struct super_block *user_get_super(dev_t dev) spin_lock(&sb_lock); rescan: list_for_each_entry(sb, &super_blocks, s_list) { - if (list_empty(&sb->s_instances)) + if (hlist_unhashed(&sb->s_instances)) continue; if (sb->s_dev == dev) { sb->s_count++; spin_unlock(&sb_lock); down_read(&sb->s_umount); /* still alive? */ - if (sb->s_root) + if (sb->s_root && (sb->s_flags & MS_BORN)) return sb; up_read(&sb->s_umount); /* nope, got unmounted */ @@ -719,23 +723,29 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force) /* If we are remounting RDONLY and current sb is read/write, make sure there are no rw files opened */ if (remount_ro) { - if (force) + if (force) { mark_files_ro(sb); - else if (!fs_may_remount_ro(sb)) - return -EBUSY; + } else { + retval = sb_prepare_remount_readonly(sb); + if (retval) + return retval; + } } if (sb->s_op->remount_fs) { retval = sb->s_op->remount_fs(sb, &flags, data); if (retval) { if (!force) - return retval; + goto cancel_readonly; /* If forced remount, go ahead despite any errors */ WARN(1, "forced remount of a %s fs returned %i\n", sb->s_type->name, retval); } } sb->s_flags = (sb->s_flags & ~MS_RMT_MASK) | (flags & MS_RMT_MASK); + /* Needs to be ordered wrt mnt_is_readonly() */ + smp_wmb(); + sb->s_readonly_remount = 0; /* * Some filesystems modify their metadata via some other path than the @@ -748,6 +758,10 @@ int do_remount_sb(struct super_block *sb, int flags, void *data, int force) if (remount_ro && sb->s_bdev) invalidate_bdev(sb->s_bdev); return 0; + +cancel_readonly: + sb->s_readonly_remount = 0; + return retval; } static void do_emergency_remount(struct work_struct *work) @@ -756,12 +770,13 @@ static void do_emergency_remount(struct work_struct *work) spin_lock(&sb_lock); list_for_each_entry(sb, &super_blocks, s_list) { - if (list_empty(&sb->s_instances)) + if (hlist_unhashed(&sb->s_instances)) continue; sb->s_count++; spin_unlock(&sb_lock); down_write(&sb->s_umount); - if (sb->s_root && sb->s_bdev && !(sb->s_flags & MS_RDONLY)) { + if (sb->s_root && sb->s_bdev && (sb->s_flags & MS_BORN) && + !(sb->s_flags & MS_RDONLY)) { /* * What lock protects sb->s_flags?? */ @@ -1144,6 +1159,11 @@ int freeze_super(struct super_block *sb) return -EBUSY; } + if (!(sb->s_flags & MS_BORN)) { + up_write(&sb->s_umount); + return 0; /* sic - it's "nothing to do" */ + } + if (sb->s_flags & MS_RDONLY) { sb->s_frozen = SB_FREEZE_TRANS; smp_wmb(); diff --git a/fs/sync.c b/fs/sync.c index 101b8ef901d7..f3501ef39235 100644 --- a/fs/sync.c +++ b/fs/sync.c @@ -14,7 +14,6 @@ #include <linux/linkage.h> #include <linux/pagemap.h> #include <linux/quotaops.h> -#include <linux/buffer_head.h> #include <linux/backing-dev.h> #include "internal.h" diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c index d4e6080b4b20..62f4fb37789e 100644 --- a/fs/sysfs/file.c +++ b/fs/sysfs/file.c @@ -518,7 +518,7 @@ out: } int sysfs_add_file_mode(struct sysfs_dirent *dir_sd, - const struct attribute *attr, int type, mode_t amode) + const struct attribute *attr, int type, umode_t amode) { umode_t mode = (amode & S_IALLUGO) | S_IFREG; struct sysfs_addrm_cxt acxt; @@ -618,7 +618,7 @@ EXPORT_SYMBOL_GPL(sysfs_add_file_to_group); * */ int sysfs_chmod_file(struct kobject *kobj, const struct attribute *attr, - mode_t mode) + umode_t mode) { struct sysfs_dirent *sd; struct iattr newattrs; diff --git a/fs/sysfs/group.c b/fs/sysfs/group.c index 194414f8298c..dd1701caecc9 100644 --- a/fs/sysfs/group.c +++ b/fs/sysfs/group.c @@ -33,7 +33,7 @@ static int create_files(struct sysfs_dirent *dir_sd, struct kobject *kobj, int error = 0, i; for (i = 0, attr = grp->attrs; *attr && !error; i++, attr++) { - mode_t mode = 0; + umode_t mode = 0; /* in update mode, we're changing the permissions or * visibility. Do this by first removing then diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c index c81b22f3ace1..4a802b4a9056 100644 --- a/fs/sysfs/inode.c +++ b/fs/sysfs/inode.c @@ -187,7 +187,7 @@ out: return error; } -static inline void set_default_inode_attr(struct inode * inode, mode_t mode) +static inline void set_default_inode_attr(struct inode * inode, umode_t mode) { inode->i_mode = mode; inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h index ce29e28b766d..7484a36ee678 100644 --- a/fs/sysfs/sysfs.h +++ b/fs/sysfs/sysfs.h @@ -79,7 +79,7 @@ struct sysfs_dirent { }; unsigned int s_flags; - unsigned short s_mode; + umode_t s_mode; ino_t s_ino; struct sysfs_inode_attrs *s_iattr; }; @@ -229,7 +229,7 @@ int sysfs_add_file(struct sysfs_dirent *dir_sd, const struct attribute *attr, int type); int sysfs_add_file_mode(struct sysfs_dirent *dir_sd, - const struct attribute *attr, int type, mode_t amode); + const struct attribute *attr, int type, umode_t amode); /* * bin.c */ diff --git a/fs/sysv/ialloc.c b/fs/sysv/ialloc.c index 0c96c98bd1db..8233b02eccae 100644 --- a/fs/sysv/ialloc.c +++ b/fs/sysv/ialloc.c @@ -132,7 +132,7 @@ void sysv_free_inode(struct inode * inode) brelse(bh); } -struct inode * sysv_new_inode(const struct inode * dir, mode_t mode) +struct inode * sysv_new_inode(const struct inode * dir, umode_t mode) { struct super_block *sb = dir->i_sb; struct sysv_sb_info *sbi = SYSV_SB(sb); diff --git a/fs/sysv/inode.c b/fs/sysv/inode.c index 25ffb3e9a3f8..3da5ce25faf0 100644 --- a/fs/sysv/inode.c +++ b/fs/sysv/inode.c @@ -336,7 +336,6 @@ static struct inode *sysv_alloc_inode(struct super_block *sb) static void sysv_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(sysv_inode_cachep, SYSV_I(inode)); } diff --git a/fs/sysv/itree.c b/fs/sysv/itree.c index fa8d43c92bb8..90b54b438789 100644 --- a/fs/sysv/itree.c +++ b/fs/sysv/itree.c @@ -442,7 +442,7 @@ static unsigned sysv_nblocks(struct super_block *s, loff_t size) int sysv_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) { - struct super_block *s = mnt->mnt_sb; + struct super_block *s = dentry->d_sb; generic_fillattr(dentry->d_inode, stat); stat->blocks = (s->s_blocksize / 512) * sysv_nblocks(s, stat->size); stat->blksize = s->s_blocksize; diff --git a/fs/sysv/namei.c b/fs/sysv/namei.c index e474fbcf8bde..b217797e621b 100644 --- a/fs/sysv/namei.c +++ b/fs/sysv/namei.c @@ -61,7 +61,7 @@ static struct dentry *sysv_lookup(struct inode * dir, struct dentry * dentry, st return NULL; } -static int sysv_mknod(struct inode * dir, struct dentry * dentry, int mode, dev_t rdev) +static int sysv_mknod(struct inode * dir, struct dentry * dentry, umode_t mode, dev_t rdev) { struct inode * inode; int err; @@ -80,7 +80,7 @@ static int sysv_mknod(struct inode * dir, struct dentry * dentry, int mode, dev_ return err; } -static int sysv_create(struct inode * dir, struct dentry * dentry, int mode, struct nameidata *nd) +static int sysv_create(struct inode * dir, struct dentry * dentry, umode_t mode, struct nameidata *nd) { return sysv_mknod(dir, dentry, mode, 0); } @@ -131,7 +131,7 @@ static int sysv_link(struct dentry * old_dentry, struct inode * dir, return add_nondir(dentry, inode); } -static int sysv_mkdir(struct inode * dir, struct dentry *dentry, int mode) +static int sysv_mkdir(struct inode * dir, struct dentry *dentry, umode_t mode) { struct inode * inode; int err = -EMLINK; diff --git a/fs/sysv/sysv.h b/fs/sysv/sysv.h index bb55cdb394bf..0e4b821c5691 100644 --- a/fs/sysv/sysv.h +++ b/fs/sysv/sysv.h @@ -125,7 +125,7 @@ static inline void dirty_sb(struct super_block *sb) /* ialloc.c */ extern struct sysv_inode *sysv_raw_inode(struct super_block *, unsigned, struct buffer_head **); -extern struct inode * sysv_new_inode(const struct inode *, mode_t); +extern struct inode * sysv_new_inode(const struct inode *, umode_t); extern void sysv_free_inode(struct inode *); extern unsigned long sysv_count_free_inodes(struct super_block *); diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c index 683492043317..d6fe1c79f18b 100644 --- a/fs/ubifs/dir.c +++ b/fs/ubifs/dir.c @@ -56,7 +56,7 @@ * * This function returns the inherited flags. */ -static int inherit_flags(const struct inode *dir, int mode) +static int inherit_flags(const struct inode *dir, umode_t mode) { int flags; const struct ubifs_inode *ui = ubifs_inode(dir); @@ -86,7 +86,7 @@ static int inherit_flags(const struct inode *dir, int mode) * case of failure. */ struct inode *ubifs_new_inode(struct ubifs_info *c, const struct inode *dir, - int mode) + umode_t mode) { struct inode *inode; struct ubifs_inode *ui; @@ -253,7 +253,7 @@ out: return ERR_PTR(err); } -static int ubifs_create(struct inode *dir, struct dentry *dentry, int mode, +static int ubifs_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { struct inode *inode; @@ -268,7 +268,7 @@ static int ubifs_create(struct inode *dir, struct dentry *dentry, int mode, * parent directory inode. */ - dbg_gen("dent '%.*s', mode %#x in dir ino %lu", + dbg_gen("dent '%.*s', mode %#hx in dir ino %lu", dentry->d_name.len, dentry->d_name.name, mode, dir->i_ino); err = ubifs_budget_space(c, &req); @@ -712,7 +712,7 @@ out_cancel: return err; } -static int ubifs_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int ubifs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { struct inode *inode; struct ubifs_inode *dir_ui = ubifs_inode(dir); @@ -725,7 +725,7 @@ static int ubifs_mkdir(struct inode *dir, struct dentry *dentry, int mode) * directory inode. */ - dbg_gen("dent '%.*s', mode %#x in dir ino %lu", + dbg_gen("dent '%.*s', mode %#hx in dir ino %lu", dentry->d_name.len, dentry->d_name.name, mode, dir->i_ino); err = ubifs_budget_space(c, &req); @@ -769,7 +769,7 @@ out_budg: } static int ubifs_mknod(struct inode *dir, struct dentry *dentry, - int mode, dev_t rdev) + umode_t mode, dev_t rdev) { struct inode *inode; struct ubifs_inode *ui; diff --git a/fs/ubifs/ioctl.c b/fs/ubifs/ioctl.c index 548acf494afd..1a7e2d8bdbe9 100644 --- a/fs/ubifs/ioctl.c +++ b/fs/ubifs/ioctl.c @@ -173,12 +173,12 @@ long ubifs_ioctl(struct file *file, unsigned int cmd, unsigned long arg) * Make sure the file-system is read-write and make sure it * will not become read-only while we are changing the flags. */ - err = mnt_want_write(file->f_path.mnt); + err = mnt_want_write_file(file); if (err) return err; dbg_gen("set flags: %#x, i_flags %#x", flags, inode->i_flags); err = setflags(inode, flags); - mnt_drop_write(file->f_path.mnt); + mnt_drop_write_file(file); return err; } diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c index ae0e76bb6ebf..63765d58445b 100644 --- a/fs/ubifs/super.c +++ b/fs/ubifs/super.c @@ -276,7 +276,6 @@ static void ubifs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); struct ubifs_inode *ui = ubifs_inode(inode); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(ubifs_inode_slab, ui); } @@ -420,9 +419,9 @@ static int ubifs_statfs(struct dentry *dentry, struct kstatfs *buf) return 0; } -static int ubifs_show_options(struct seq_file *s, struct vfsmount *mnt) +static int ubifs_show_options(struct seq_file *s, struct dentry *root) { - struct ubifs_info *c = mnt->mnt_sb->s_fs_info; + struct ubifs_info *c = root->d_sb->s_fs_info; if (c->mount_opts.unmount_mode == 2) seq_printf(s, ",fast_unmount"); diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h index 27f22551f805..12e94774aa88 100644 --- a/fs/ubifs/ubifs.h +++ b/fs/ubifs/ubifs.h @@ -1734,7 +1734,7 @@ int ubifs_setattr(struct dentry *dentry, struct iattr *attr); /* dir.c */ struct inode *ubifs_new_inode(struct ubifs_info *c, const struct inode *dir, - int mode); + umode_t mode); int ubifs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat); diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c index 6fb7e0adcda0..05ab48195be9 100644 --- a/fs/udf/ialloc.c +++ b/fs/udf/ialloc.c @@ -46,7 +46,7 @@ void udf_free_inode(struct inode *inode) udf_free_blocks(sb, NULL, &UDF_I(inode)->i_location, 0, 1); } -struct inode *udf_new_inode(struct inode *dir, int mode, int *err) +struct inode *udf_new_inode(struct inode *dir, umode_t mode, int *err) { struct super_block *sb = dir->i_sb; struct udf_sb_info *sbi = UDF_SB(sb); diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 4fd1d809738c..4598904be1bb 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -48,7 +48,7 @@ MODULE_LICENSE("GPL"); #define EXTENT_MERGE_SIZE 5 -static mode_t udf_convert_permissions(struct fileEntry *); +static umode_t udf_convert_permissions(struct fileEntry *); static int udf_update_inode(struct inode *, int); static void udf_fill_inode(struct inode *, struct buffer_head *); static int udf_sync_inode(struct inode *inode); @@ -1452,9 +1452,9 @@ static int udf_alloc_i_data(struct inode *inode, size_t size) return 0; } -static mode_t udf_convert_permissions(struct fileEntry *fe) +static umode_t udf_convert_permissions(struct fileEntry *fe) { - mode_t mode; + umode_t mode; uint32_t permissions; uint32_t flags; diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 4639e137222f..08bf46edf9c4 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -552,7 +552,7 @@ static int udf_delete_entry(struct inode *inode, struct fileIdentDesc *fi, return udf_write_fi(inode, cfi, fi, fibh, NULL, NULL); } -static int udf_create(struct inode *dir, struct dentry *dentry, int mode, +static int udf_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { struct udf_fileident_bh fibh; @@ -596,7 +596,7 @@ static int udf_create(struct inode *dir, struct dentry *dentry, int mode, return 0; } -static int udf_mknod(struct inode *dir, struct dentry *dentry, int mode, +static int udf_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rdev) { struct inode *inode; @@ -640,7 +640,7 @@ out: return err; } -static int udf_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int udf_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { struct inode *inode; struct udf_fileident_bh fibh; diff --git a/fs/udf/super.c b/fs/udf/super.c index e185253470df..0c33225647a0 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -89,7 +89,7 @@ static void udf_open_lvid(struct super_block *); static void udf_close_lvid(struct super_block *); static unsigned int udf_count_free(struct super_block *); static int udf_statfs(struct dentry *, struct kstatfs *); -static int udf_show_options(struct seq_file *, struct vfsmount *); +static int udf_show_options(struct seq_file *, struct dentry *); struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct udf_sb_info *sbi) { @@ -138,7 +138,6 @@ static struct inode *udf_alloc_inode(struct super_block *sb) static void udf_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(udf_inode_cachep, UDF_I(inode)); } @@ -196,11 +195,11 @@ struct udf_options { unsigned int fileset; unsigned int rootdir; unsigned int flags; - mode_t umask; + umode_t umask; gid_t gid; uid_t uid; - mode_t fmode; - mode_t dmode; + umode_t fmode; + umode_t dmode; struct nls_table *nls_map; }; @@ -250,9 +249,9 @@ static int udf_sb_alloc_partition_maps(struct super_block *sb, u32 count) return 0; } -static int udf_show_options(struct seq_file *seq, struct vfsmount *mnt) +static int udf_show_options(struct seq_file *seq, struct dentry *root) { - struct super_block *sb = mnt->mnt_sb; + struct super_block *sb = root->d_sb; struct udf_sb_info *sbi = UDF_SB(sb); if (!UDF_QUERY_FLAG(sb, UDF_FLAG_STRICT)) @@ -280,11 +279,11 @@ static int udf_show_options(struct seq_file *seq, struct vfsmount *mnt) if (UDF_QUERY_FLAG(sb, UDF_FLAG_GID_SET)) seq_printf(seq, ",gid=%u", sbi->s_gid); if (sbi->s_umask != 0) - seq_printf(seq, ",umask=%o", sbi->s_umask); + seq_printf(seq, ",umask=%ho", sbi->s_umask); if (sbi->s_fmode != UDF_INVALID_MODE) - seq_printf(seq, ",mode=%o", sbi->s_fmode); + seq_printf(seq, ",mode=%ho", sbi->s_fmode); if (sbi->s_dmode != UDF_INVALID_MODE) - seq_printf(seq, ",dmode=%o", sbi->s_dmode); + seq_printf(seq, ",dmode=%ho", sbi->s_dmode); if (UDF_QUERY_FLAG(sb, UDF_FLAG_SESSION_SET)) seq_printf(seq, ",session=%u", sbi->s_session); if (UDF_QUERY_FLAG(sb, UDF_FLAG_LASTBLOCK_SET)) diff --git a/fs/udf/udf_sb.h b/fs/udf/udf_sb.h index 5142a82e3276..42ad69ac9576 100644 --- a/fs/udf/udf_sb.h +++ b/fs/udf/udf_sb.h @@ -50,7 +50,7 @@ #define UDF_SPARABLE_MAP15 0x1522U #define UDF_METADATA_MAP25 0x2511U -#define UDF_INVALID_MODE ((mode_t)-1) +#define UDF_INVALID_MODE ((umode_t)-1) #pragma pack(1) /* XXX(hch): Why? This file just defines in-core structures */ @@ -127,11 +127,11 @@ struct udf_sb_info { struct buffer_head *s_lvid_bh; /* Default permissions */ - mode_t s_umask; + umode_t s_umask; gid_t s_gid; uid_t s_uid; - mode_t s_fmode; - mode_t s_dmode; + umode_t s_fmode; + umode_t s_dmode; /* Lock protecting consistency of above permission settings */ rwlock_t s_cred_lock; diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h index f34e6fc0cdaa..ebe10314e512 100644 --- a/fs/udf/udfdecl.h +++ b/fs/udf/udfdecl.h @@ -215,7 +215,7 @@ extern int udf_CS0toUTF8(struct ustr *, const struct ustr *); /* ialloc.c */ extern void udf_free_inode(struct inode *); -extern struct inode *udf_new_inode(struct inode *, int, int *); +extern struct inode *udf_new_inode(struct inode *, umode_t, int *); /* truncate.c */ extern void udf_truncate_tail_extent(struct inode *); diff --git a/fs/ufs/ialloc.c b/fs/ufs/ialloc.c index 78a4c70d46b5..4ec5c1085a87 100644 --- a/fs/ufs/ialloc.c +++ b/fs/ufs/ialloc.c @@ -170,7 +170,7 @@ static void ufs2_init_inodes_chunk(struct super_block *sb, * For other inodes, search forward from the parent directory's block * group to find a free inode. */ -struct inode * ufs_new_inode(struct inode * dir, int mode) +struct inode *ufs_new_inode(struct inode *dir, umode_t mode) { struct super_block * sb; struct ufs_sb_info * sbi; diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c index 879b13436fa4..9094e1d917be 100644 --- a/fs/ufs/inode.c +++ b/fs/ufs/inode.c @@ -583,7 +583,7 @@ static int ufs1_read_inode(struct inode *inode, struct ufs_inode *ufs_inode) { struct ufs_inode_info *ufsi = UFS_I(inode); struct super_block *sb = inode->i_sb; - mode_t mode; + umode_t mode; /* * Copy data to the in-core inode. @@ -630,7 +630,7 @@ static int ufs2_read_inode(struct inode *inode, struct ufs2_inode *ufs2_inode) { struct ufs_inode_info *ufsi = UFS_I(inode); struct super_block *sb = inode->i_sb; - mode_t mode; + umode_t mode; UFSD("Reading ufs2 inode, ino %lu\n", inode->i_ino); /* diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c index 639d49162241..38cac199edff 100644 --- a/fs/ufs/namei.c +++ b/fs/ufs/namei.c @@ -70,7 +70,7 @@ static struct dentry *ufs_lookup(struct inode * dir, struct dentry *dentry, stru * If the create succeeds, we fill in the inode information * with d_instantiate(). */ -static int ufs_create (struct inode * dir, struct dentry * dentry, int mode, +static int ufs_create (struct inode * dir, struct dentry * dentry, umode_t mode, struct nameidata *nd) { struct inode *inode; @@ -94,7 +94,7 @@ static int ufs_create (struct inode * dir, struct dentry * dentry, int mode, return err; } -static int ufs_mknod (struct inode * dir, struct dentry *dentry, int mode, dev_t rdev) +static int ufs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t rdev) { struct inode *inode; int err; @@ -180,7 +180,7 @@ static int ufs_link (struct dentry * old_dentry, struct inode * dir, return error; } -static int ufs_mkdir(struct inode * dir, struct dentry * dentry, int mode) +static int ufs_mkdir(struct inode * dir, struct dentry * dentry, umode_t mode) { struct inode * inode; int err = -EMLINK; diff --git a/fs/ufs/super.c b/fs/ufs/super.c index 3915ade6f9a8..5246ee3e5607 100644 --- a/fs/ufs/super.c +++ b/fs/ufs/super.c @@ -1351,9 +1351,9 @@ static int ufs_remount (struct super_block *sb, int *mount_flags, char *data) return 0; } -static int ufs_show_options(struct seq_file *seq, struct vfsmount *vfs) +static int ufs_show_options(struct seq_file *seq, struct dentry *root) { - struct ufs_sb_info *sbi = UFS_SB(vfs->mnt_sb); + struct ufs_sb_info *sbi = UFS_SB(root->d_sb); unsigned mval = sbi->s_mount_opt & UFS_MOUNT_UFSTYPE; const struct match_token *tp = tokens; @@ -1425,7 +1425,6 @@ static struct inode *ufs_alloc_inode(struct super_block *sb) static void ufs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(ufs_inode_cachep, UFS_I(inode)); } diff --git a/fs/ufs/ufs.h b/fs/ufs/ufs.h index c26f2bcec264..528750b7e701 100644 --- a/fs/ufs/ufs.h +++ b/fs/ufs/ufs.h @@ -104,7 +104,7 @@ extern const struct address_space_operations ufs_aops; /* ialloc.c */ extern void ufs_free_inode (struct inode *inode); -extern struct inode * ufs_new_inode (struct inode *, int); +extern struct inode * ufs_new_inode (struct inode *, umode_t); /* inode.c */ extern struct inode *ufs_iget(struct super_block *, unsigned long); diff --git a/fs/xattr.c b/fs/xattr.c index 67583de8218c..82f43376c7cd 100644 --- a/fs/xattr.c +++ b/fs/xattr.c @@ -397,7 +397,7 @@ SYSCALL_DEFINE5(fsetxattr, int, fd, const char __user *, name, error = mnt_want_write_file(f); if (!error) { error = setxattr(dentry, name, value, size, flags); - mnt_drop_write(f->f_path.mnt); + mnt_drop_write_file(f); } fput(f); return error; @@ -624,7 +624,7 @@ SYSCALL_DEFINE2(fremovexattr, int, fd, const char __user *, name) error = mnt_want_write_file(f); if (!error) { error = removexattr(dentry, name); - mnt_drop_write(f->f_path.mnt); + mnt_drop_write_file(f); } fput(f); return error; diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c index 169380e66057..dad1a31aa4fc 100644 --- a/fs/xfs/xfs_ialloc.c +++ b/fs/xfs/xfs_ialloc.c @@ -447,7 +447,7 @@ STATIC xfs_buf_t * /* allocation group buffer */ xfs_ialloc_ag_select( xfs_trans_t *tp, /* transaction pointer */ xfs_ino_t parent, /* parent directory inode number */ - mode_t mode, /* bits set to indicate file type */ + umode_t mode, /* bits set to indicate file type */ int okalloc) /* ok to allocate more space */ { xfs_buf_t *agbp; /* allocation group header buffer */ @@ -640,7 +640,7 @@ int xfs_dialloc( xfs_trans_t *tp, /* transaction pointer */ xfs_ino_t parent, /* parent inode (directory) */ - mode_t mode, /* mode bits for new inode */ + umode_t mode, /* mode bits for new inode */ int okalloc, /* ok to allocate more space */ xfs_buf_t **IO_agbp, /* in/out ag header's buffer */ boolean_t *alloc_done, /* true if we needed to replenish diff --git a/fs/xfs/xfs_ialloc.h b/fs/xfs/xfs_ialloc.h index bb5385475e1f..666a037398d6 100644 --- a/fs/xfs/xfs_ialloc.h +++ b/fs/xfs/xfs_ialloc.h @@ -81,7 +81,7 @@ int /* error */ xfs_dialloc( struct xfs_trans *tp, /* transaction pointer */ xfs_ino_t parent, /* parent inode (directory) */ - mode_t mode, /* mode bits for new inode */ + umode_t mode, /* mode bits for new inode */ int okalloc, /* ok to allocate more space */ struct xfs_buf **agbp, /* buf for a.g. inode header */ boolean_t *alloc_done, /* an allocation was done to replenish diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c index 0fa98b1c70ea..3960a066d7ff 100644 --- a/fs/xfs/xfs_iget.c +++ b/fs/xfs/xfs_iget.c @@ -107,7 +107,6 @@ xfs_inode_free_callback( struct inode *inode = container_of(head, struct inode, i_rcu); struct xfs_inode *ip = XFS_I(inode); - INIT_LIST_HEAD(&inode->i_dentry); kmem_zone_free(xfs_inode_zone, ip); } diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 755ee8164880..9dda7cc32848 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -961,7 +961,7 @@ int xfs_ialloc( xfs_trans_t *tp, xfs_inode_t *pip, - mode_t mode, + umode_t mode, xfs_nlink_t nlink, xfs_dev_t rdev, prid_t prid, @@ -1002,7 +1002,7 @@ xfs_ialloc( return error; ASSERT(ip != NULL); - ip->i_d.di_mode = (__uint16_t)mode; + ip->i_d.di_mode = mode; ip->i_d.di_onlink = 0; ip->i_d.di_nlink = nlink; ASSERT(ip->i_d.di_nlink == nlink); diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h index b4cd4739f98e..f0e6b151ba37 100644 --- a/fs/xfs/xfs_inode.h +++ b/fs/xfs/xfs_inode.h @@ -481,7 +481,7 @@ void xfs_inode_free(struct xfs_inode *ip); /* * xfs_inode.c prototypes. */ -int xfs_ialloc(struct xfs_trans *, xfs_inode_t *, mode_t, +int xfs_ialloc(struct xfs_trans *, xfs_inode_t *, umode_t, xfs_nlink_t, xfs_dev_t, prid_t, int, struct xfs_buf **, boolean_t *, xfs_inode_t **); diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index d99a90518909..76f3ca5cfc36 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -559,23 +559,23 @@ xfs_attrmulti_by_handle( ops[i].am_flags); break; case ATTR_OP_SET: - ops[i].am_error = mnt_want_write(parfilp->f_path.mnt); + ops[i].am_error = mnt_want_write_file(parfilp); if (ops[i].am_error) break; ops[i].am_error = xfs_attrmulti_attr_set( dentry->d_inode, attr_name, ops[i].am_attrvalue, ops[i].am_length, ops[i].am_flags); - mnt_drop_write(parfilp->f_path.mnt); + mnt_drop_write_file(parfilp); break; case ATTR_OP_REMOVE: - ops[i].am_error = mnt_want_write(parfilp->f_path.mnt); + ops[i].am_error = mnt_want_write_file(parfilp); if (ops[i].am_error) break; ops[i].am_error = xfs_attrmulti_attr_remove( dentry->d_inode, attr_name, ops[i].am_flags); - mnt_drop_write(parfilp->f_path.mnt); + mnt_drop_write_file(parfilp); break; default: ops[i].am_error = EINVAL; diff --git a/fs/xfs/xfs_ioctl32.c b/fs/xfs/xfs_ioctl32.c index 54e623bfbb85..f9ccb7b7c043 100644 --- a/fs/xfs/xfs_ioctl32.c +++ b/fs/xfs/xfs_ioctl32.c @@ -454,23 +454,23 @@ xfs_compat_attrmulti_by_handle( &ops[i].am_length, ops[i].am_flags); break; case ATTR_OP_SET: - ops[i].am_error = mnt_want_write(parfilp->f_path.mnt); + ops[i].am_error = mnt_want_write_file(parfilp); if (ops[i].am_error) break; ops[i].am_error = xfs_attrmulti_attr_set( dentry->d_inode, attr_name, compat_ptr(ops[i].am_attrvalue), ops[i].am_length, ops[i].am_flags); - mnt_drop_write(parfilp->f_path.mnt); + mnt_drop_write_file(parfilp); break; case ATTR_OP_REMOVE: - ops[i].am_error = mnt_want_write(parfilp->f_path.mnt); + ops[i].am_error = mnt_want_write_file(parfilp); if (ops[i].am_error) break; ops[i].am_error = xfs_attrmulti_attr_remove( dentry->d_inode, attr_name, ops[i].am_flags); - mnt_drop_write(parfilp->f_path.mnt); + mnt_drop_write_file(parfilp); break; default: ops[i].am_error = EINVAL; diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 23ce927973a4..f9babd179223 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -168,7 +168,7 @@ STATIC int xfs_vn_mknod( struct inode *dir, struct dentry *dentry, - int mode, + umode_t mode, dev_t rdev) { struct inode *inode; @@ -231,7 +231,7 @@ STATIC int xfs_vn_create( struct inode *dir, struct dentry *dentry, - int mode, + umode_t mode, struct nameidata *nd) { return xfs_vn_mknod(dir, dentry, mode, 0); @@ -241,7 +241,7 @@ STATIC int xfs_vn_mkdir( struct inode *dir, struct dentry *dentry, - int mode) + umode_t mode) { return xfs_vn_mknod(dir, dentry, mode|S_IFDIR, 0); } @@ -366,7 +366,7 @@ xfs_vn_symlink( struct xfs_inode *cip = NULL; struct xfs_name name; int error; - mode_t mode; + umode_t mode; mode = S_IFLNK | (irix_symlink_mode ? 0777 & ~current_umask() : S_IRWXUGO); diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c index 8a899496fd5f..7b7669507ee3 100644 --- a/fs/xfs/xfs_super.c +++ b/fs/xfs/xfs_super.c @@ -1238,9 +1238,9 @@ xfs_fs_unfreeze( STATIC int xfs_fs_show_options( struct seq_file *m, - struct vfsmount *mnt) + struct dentry *root) { - return -xfs_showargs(XFS_M(mnt->mnt_sb), m); + return -xfs_showargs(XFS_M(root->d_sb), m); } /* diff --git a/fs/xfs/xfs_utils.c b/fs/xfs/xfs_utils.c index 8b32d1a4c5a1..89dbb4a50872 100644 --- a/fs/xfs/xfs_utils.c +++ b/fs/xfs/xfs_utils.c @@ -53,7 +53,7 @@ xfs_dir_ialloc( output: may be a new transaction. */ xfs_inode_t *dp, /* directory within whose allocate the inode. */ - mode_t mode, + umode_t mode, xfs_nlink_t nlink, xfs_dev_t rdev, prid_t prid, /* project id */ diff --git a/fs/xfs/xfs_utils.h b/fs/xfs/xfs_utils.h index 456fca314933..5eeab4690cfe 100644 --- a/fs/xfs/xfs_utils.h +++ b/fs/xfs/xfs_utils.h @@ -18,7 +18,7 @@ #ifndef __XFS_UTILS_H__ #define __XFS_UTILS_H__ -extern int xfs_dir_ialloc(xfs_trans_t **, xfs_inode_t *, mode_t, xfs_nlink_t, +extern int xfs_dir_ialloc(xfs_trans_t **, xfs_inode_t *, umode_t, xfs_nlink_t, xfs_dev_t, prid_t, int, xfs_inode_t **, int *); extern int xfs_droplink(xfs_trans_t *, xfs_inode_t *); extern int xfs_bumplink(xfs_trans_t *, xfs_inode_t *); diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index ce9268a2f56b..f2fea868d4db 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -822,7 +822,7 @@ int xfs_create( xfs_inode_t *dp, struct xfs_name *name, - mode_t mode, + umode_t mode, xfs_dev_t rdev, xfs_inode_t **ipp) { @@ -1481,7 +1481,7 @@ xfs_symlink( xfs_inode_t *dp, struct xfs_name *link_name, const char *target_path, - mode_t mode, + umode_t mode, xfs_inode_t **ipp) { xfs_mount_t *mp = dp->i_mount; diff --git a/fs/xfs/xfs_vnodeops.h b/fs/xfs/xfs_vnodeops.h index 35d3d513e1e9..0c877cbde142 100644 --- a/fs/xfs/xfs_vnodeops.h +++ b/fs/xfs/xfs_vnodeops.h @@ -26,7 +26,7 @@ int xfs_release(struct xfs_inode *ip); int xfs_inactive(struct xfs_inode *ip); int xfs_lookup(struct xfs_inode *dp, struct xfs_name *name, struct xfs_inode **ipp, struct xfs_name *ci_name); -int xfs_create(struct xfs_inode *dp, struct xfs_name *name, mode_t mode, +int xfs_create(struct xfs_inode *dp, struct xfs_name *name, umode_t mode, xfs_dev_t rdev, struct xfs_inode **ipp); int xfs_remove(struct xfs_inode *dp, struct xfs_name *name, struct xfs_inode *ip); @@ -35,7 +35,7 @@ int xfs_link(struct xfs_inode *tdp, struct xfs_inode *sip, int xfs_readdir(struct xfs_inode *dp, void *dirent, size_t bufsize, xfs_off_t *offset, filldir_t filldir); int xfs_symlink(struct xfs_inode *dp, struct xfs_name *link_name, - const char *target_path, mode_t mode, struct xfs_inode **ipp); + const char *target_path, umode_t mode, struct xfs_inode **ipp); int xfs_set_dmattrs(struct xfs_inode *ip, u_int evmask, u_int16_t state); int xfs_change_file_space(struct xfs_inode *ip, int cmd, xfs_flock64_t *bf, xfs_off_t offset, int attr_flags); diff --git a/include/asm-generic/types.h b/include/asm-generic/types.h index 7a0f69e6c618..bd39806013b5 100644 --- a/include/asm-generic/types.h +++ b/include/asm-generic/types.h @@ -6,10 +6,4 @@ */ #include <asm-generic/int-ll64.h> -#ifndef __ASSEMBLY__ - -typedef unsigned short umode_t; - -#endif /* __ASSEMBLY__ */ - #endif /* _ASM_GENERIC_TYPES_H */ diff --git a/include/linux/audit.h b/include/linux/audit.h index 2f81c6f3b630..426ab9f4dd85 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -468,13 +468,13 @@ extern int audit_set_loginuid(struct task_struct *task, uid_t loginuid); #define audit_get_sessionid(t) ((t)->sessionid) extern void audit_log_task_context(struct audit_buffer *ab); extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp); -extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode); +extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode); extern int audit_bprm(struct linux_binprm *bprm); extern void audit_socketcall(int nargs, unsigned long *args); extern int audit_sockaddr(int len, void *addr); extern void __audit_fd_pair(int fd1, int fd2); extern int audit_set_macxattr(const char *name); -extern void __audit_mq_open(int oflag, mode_t mode, struct mq_attr *attr); +extern void __audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr); extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout); extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification); extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat); @@ -494,12 +494,12 @@ static inline void audit_fd_pair(int fd1, int fd2) if (unlikely(!audit_dummy_context())) __audit_fd_pair(fd1, fd2); } -static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode) +static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode) { if (unlikely(!audit_dummy_context())) __audit_ipc_set_perm(qbytes, uid, gid, mode); } -static inline void audit_mq_open(int oflag, mode_t mode, struct mq_attr *attr) +static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr) { if (unlikely(!audit_dummy_context())) __audit_mq_open(oflag, mode, attr); diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index 1b7f9d525013..a17becc36ca1 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -319,7 +319,7 @@ struct cftype { * If not 0, file mode is set to this value, otherwise it will * be figured out automatically */ - mode_t mode; + umode_t mode; /* * If non-zero, defines the maximum length of string that can diff --git a/include/linux/compat.h b/include/linux/compat.h index 66ed067fb729..41c9f6515f46 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -422,9 +422,9 @@ asmlinkage long compat_sys_getdents64(unsigned int fd, asmlinkage long compat_sys_vmsplice(int fd, const struct compat_iovec __user *, unsigned int nr_segs, unsigned int flags); asmlinkage long compat_sys_open(const char __user *filename, int flags, - int mode); + umode_t mode); asmlinkage long compat_sys_openat(unsigned int dfd, const char __user *filename, - int flags, int mode); + int flags, umode_t mode); asmlinkage long compat_sys_open_by_handle_at(int mountdirfd, struct file_handle __user *handle, int flags); diff --git a/include/linux/configfs.h b/include/linux/configfs.h index 3081c58d696e..34025df61829 100644 --- a/include/linux/configfs.h +++ b/include/linux/configfs.h @@ -124,7 +124,7 @@ extern struct config_item *config_group_find_item(struct config_group *, struct configfs_attribute { const char *ca_name; struct module *ca_owner; - mode_t ca_mode; + umode_t ca_mode; }; /* diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h index e8c3abc60811..6169c26fd8c8 100644 --- a/include/linux/debugfs.h +++ b/include/linux/debugfs.h @@ -46,7 +46,7 @@ extern struct dentry *arch_debugfs_dir; extern const struct file_operations debugfs_file_operations; extern const struct inode_operations debugfs_link_operations; -struct dentry *debugfs_create_file(const char *name, mode_t mode, +struct dentry *debugfs_create_file(const char *name, umode_t mode, struct dentry *parent, void *data, const struct file_operations *fops); @@ -61,28 +61,28 @@ void debugfs_remove_recursive(struct dentry *dentry); struct dentry *debugfs_rename(struct dentry *old_dir, struct dentry *old_dentry, struct dentry *new_dir, const char *new_name); -struct dentry *debugfs_create_u8(const char *name, mode_t mode, +struct dentry *debugfs_create_u8(const char *name, umode_t mode, struct dentry *parent, u8 *value); -struct dentry *debugfs_create_u16(const char *name, mode_t mode, +struct dentry *debugfs_create_u16(const char *name, umode_t mode, struct dentry *parent, u16 *value); -struct dentry *debugfs_create_u32(const char *name, mode_t mode, +struct dentry *debugfs_create_u32(const char *name, umode_t mode, struct dentry *parent, u32 *value); -struct dentry *debugfs_create_u64(const char *name, mode_t mode, +struct dentry *debugfs_create_u64(const char *name, umode_t mode, struct dentry *parent, u64 *value); -struct dentry *debugfs_create_x8(const char *name, mode_t mode, +struct dentry *debugfs_create_x8(const char *name, umode_t mode, struct dentry *parent, u8 *value); -struct dentry *debugfs_create_x16(const char *name, mode_t mode, +struct dentry *debugfs_create_x16(const char *name, umode_t mode, struct dentry *parent, u16 *value); -struct dentry *debugfs_create_x32(const char *name, mode_t mode, +struct dentry *debugfs_create_x32(const char *name, umode_t mode, struct dentry *parent, u32 *value); -struct dentry *debugfs_create_x64(const char *name, mode_t mode, +struct dentry *debugfs_create_x64(const char *name, umode_t mode, struct dentry *parent, u64 *value); -struct dentry *debugfs_create_size_t(const char *name, mode_t mode, +struct dentry *debugfs_create_size_t(const char *name, umode_t mode, struct dentry *parent, size_t *value); -struct dentry *debugfs_create_bool(const char *name, mode_t mode, +struct dentry *debugfs_create_bool(const char *name, umode_t mode, struct dentry *parent, u32 *value); -struct dentry *debugfs_create_blob(const char *name, mode_t mode, +struct dentry *debugfs_create_blob(const char *name, umode_t mode, struct dentry *parent, struct debugfs_blob_wrapper *blob); @@ -105,7 +105,7 @@ bool debugfs_initialized(void); * want to duplicate the design decision mistakes of procfs and devfs again. */ -static inline struct dentry *debugfs_create_file(const char *name, mode_t mode, +static inline struct dentry *debugfs_create_file(const char *name, umode_t mode, struct dentry *parent, void *data, const struct file_operations *fops) { @@ -137,70 +137,70 @@ static inline struct dentry *debugfs_rename(struct dentry *old_dir, struct dentr return ERR_PTR(-ENODEV); } -static inline struct dentry *debugfs_create_u8(const char *name, mode_t mode, +static inline struct dentry *debugfs_create_u8(const char *name, umode_t mode, struct dentry *parent, u8 *value) { return ERR_PTR(-ENODEV); } -static inline struct dentry *debugfs_create_u16(const char *name, mode_t mode, +static inline struct dentry *debugfs_create_u16(const char *name, umode_t mode, struct dentry *parent, u16 *value) { return ERR_PTR(-ENODEV); } -static inline struct dentry *debugfs_create_u32(const char *name, mode_t mode, +static inline struct dentry *debugfs_create_u32(const char *name, umode_t mode, struct dentry *parent, u32 *value) { return ERR_PTR(-ENODEV); } -static inline struct dentry *debugfs_create_u64(const char *name, mode_t mode, +static inline struct dentry *debugfs_create_u64(const char *name, umode_t mode, struct dentry *parent, u64 *value) { return ERR_PTR(-ENODEV); } -static inline struct dentry *debugfs_create_x8(const char *name, mode_t mode, +static inline struct dentry *debugfs_create_x8(const char *name, umode_t mode, struct dentry *parent, u8 *value) { return ERR_PTR(-ENODEV); } -static inline struct dentry *debugfs_create_x16(const char *name, mode_t mode, +static inline struct dentry *debugfs_create_x16(const char *name, umode_t mode, struct dentry *parent, u16 *value) { return ERR_PTR(-ENODEV); } -static inline struct dentry *debugfs_create_x32(const char *name, mode_t mode, +static inline struct dentry *debugfs_create_x32(const char *name, umode_t mode, struct dentry *parent, u32 *value) { return ERR_PTR(-ENODEV); } -static inline struct dentry *debugfs_create_size_t(const char *name, mode_t mode, +static inline struct dentry *debugfs_create_size_t(const char *name, umode_t mode, struct dentry *parent, size_t *value) { return ERR_PTR(-ENODEV); } -static inline struct dentry *debugfs_create_bool(const char *name, mode_t mode, +static inline struct dentry *debugfs_create_bool(const char *name, umode_t mode, struct dentry *parent, u32 *value) { return ERR_PTR(-ENODEV); } -static inline struct dentry *debugfs_create_blob(const char *name, mode_t mode, +static inline struct dentry *debugfs_create_blob(const char *name, umode_t mode, struct dentry *parent, struct debugfs_blob_wrapper *blob) { diff --git a/include/linux/device.h b/include/linux/device.h index 96acef8dd916..5b3adb8f9588 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -343,7 +343,7 @@ struct class { struct kobject *dev_kobj; int (*dev_uevent)(struct device *dev, struct kobj_uevent_env *env); - char *(*devnode)(struct device *dev, mode_t *mode); + char *(*devnode)(struct device *dev, umode_t *mode); void (*class_release)(struct class *class); void (*dev_release)(struct device *dev); @@ -472,7 +472,7 @@ struct device_type { const char *name; const struct attribute_group **groups; int (*uevent)(struct device *dev, struct kobj_uevent_env *env); - char *(*devnode)(struct device *dev, mode_t *mode); + char *(*devnode)(struct device *dev, umode_t *mode); void (*release)(struct device *dev); const struct dev_pm_ops *pm; @@ -793,7 +793,7 @@ extern int device_rename(struct device *dev, const char *new_name); extern int device_move(struct device *dev, struct device *new_parent, enum dpm_order dpm_order); extern const char *device_get_devnode(struct device *dev, - mode_t *mode, const char **tmp); + umode_t *mode, const char **tmp); extern void *dev_get_drvdata(const struct device *dev); extern int dev_set_drvdata(struct device *dev, void *data); diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h index dec99116a0e4..f957085d40ed 100644 --- a/include/linux/ext3_fs.h +++ b/include/linux/ext3_fs.h @@ -884,7 +884,7 @@ extern int ext3fs_dirhash(const char *name, int len, struct /* ialloc.c */ extern struct inode * ext3_new_inode (handle_t *, struct inode *, - const struct qstr *, int); + const struct qstr *, umode_t); extern void ext3_free_inode (handle_t *, struct inode *); extern struct inode * ext3_orphan_get (struct super_block *, unsigned long); extern unsigned long ext3_count_free_inodes (struct super_block *); diff --git a/include/linux/fs.h b/include/linux/fs.h index e0bc4ffb8e7f..7aacf31418fe 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -1428,6 +1428,7 @@ struct super_block { #else struct list_head s_files; #endif + struct list_head s_mounts; /* list of mounts; _not_ for fs use */ /* s_dentry_lru, s_nr_dentry_unused protected by dcache.c lru locks */ struct list_head s_dentry_lru; /* unused dentry lru */ int s_nr_dentry_unused; /* # of dentry on lru */ @@ -1440,7 +1441,7 @@ struct super_block { struct block_device *s_bdev; struct backing_dev_info *s_bdi; struct mtd_info *s_mtd; - struct list_head s_instances; + struct hlist_node s_instances; struct quota_info s_dquot; /* Diskquota specific options */ int s_frozen; @@ -1481,6 +1482,12 @@ struct super_block { int cleancache_poolid; struct shrinker s_shrink; /* per-sb shrinker handle */ + + /* Number of inodes with nlink == 0 but still referenced */ + atomic_long_t s_remove_count; + + /* Being remounted read-only */ + int s_readonly_remount; }; /* superblock cache pruning functions */ @@ -1516,9 +1523,9 @@ extern void unlock_super(struct super_block *); /* * VFS helper functions.. */ -extern int vfs_create(struct inode *, struct dentry *, int, struct nameidata *); -extern int vfs_mkdir(struct inode *, struct dentry *, int); -extern int vfs_mknod(struct inode *, struct dentry *, int, dev_t); +extern int vfs_create(struct inode *, struct dentry *, umode_t, struct nameidata *); +extern int vfs_mkdir(struct inode *, struct dentry *, umode_t); +extern int vfs_mknod(struct inode *, struct dentry *, umode_t, dev_t); extern int vfs_symlink(struct inode *, struct dentry *, const char *); extern int vfs_link(struct dentry *, struct inode *, struct dentry *); extern int vfs_rmdir(struct inode *, struct dentry *); @@ -1534,7 +1541,7 @@ extern void dentry_unhash(struct dentry *dentry); * VFS file helper functions. */ extern void inode_init_owner(struct inode *inode, const struct inode *dir, - mode_t mode); + umode_t mode); /* * VFS FS_IOC_FIEMAP helper definitions. */ @@ -1619,13 +1626,13 @@ struct inode_operations { int (*readlink) (struct dentry *, char __user *,int); void (*put_link) (struct dentry *, struct nameidata *, void *); - int (*create) (struct inode *,struct dentry *,int, struct nameidata *); + int (*create) (struct inode *,struct dentry *,umode_t,struct nameidata *); int (*link) (struct dentry *,struct inode *,struct dentry *); int (*unlink) (struct inode *,struct dentry *); int (*symlink) (struct inode *,struct dentry *,const char *); - int (*mkdir) (struct inode *,struct dentry *,int); + int (*mkdir) (struct inode *,struct dentry *,umode_t); int (*rmdir) (struct inode *,struct dentry *); - int (*mknod) (struct inode *,struct dentry *,int,dev_t); + int (*mknod) (struct inode *,struct dentry *,umode_t,dev_t); int (*rename) (struct inode *, struct dentry *, struct inode *, struct dentry *); void (*truncate) (struct inode *); @@ -1672,10 +1679,10 @@ struct super_operations { int (*remount_fs) (struct super_block *, int *, char *); void (*umount_begin) (struct super_block *); - int (*show_options)(struct seq_file *, struct vfsmount *); - int (*show_devname)(struct seq_file *, struct vfsmount *); - int (*show_path)(struct seq_file *, struct vfsmount *); - int (*show_stats)(struct seq_file *, struct vfsmount *); + int (*show_options)(struct seq_file *, struct dentry *); + int (*show_devname)(struct seq_file *, struct dentry *); + int (*show_path)(struct seq_file *, struct dentry *); + int (*show_stats)(struct seq_file *, struct dentry *); #ifdef CONFIG_QUOTA ssize_t (*quota_read)(struct super_block *, int, char *, size_t, loff_t); ssize_t (*quota_write)(struct super_block *, int, const char *, size_t, loff_t); @@ -1764,31 +1771,10 @@ static inline void mark_inode_dirty_sync(struct inode *inode) __mark_inode_dirty(inode, I_DIRTY_SYNC); } -/** - * set_nlink - directly set an inode's link count - * @inode: inode - * @nlink: new nlink (should be non-zero) - * - * This is a low-level filesystem helper to replace any - * direct filesystem manipulation of i_nlink. - */ -static inline void set_nlink(struct inode *inode, unsigned int nlink) -{ - inode->__i_nlink = nlink; -} - -/** - * inc_nlink - directly increment an inode's link count - * @inode: inode - * - * This is a low-level filesystem helper to replace any - * direct filesystem manipulation of i_nlink. Currently, - * it is only here for parity with dec_nlink(). - */ -static inline void inc_nlink(struct inode *inode) -{ - inode->__i_nlink++; -} +extern void inc_nlink(struct inode *inode); +extern void drop_nlink(struct inode *inode); +extern void clear_nlink(struct inode *inode); +extern void set_nlink(struct inode *inode, unsigned int nlink); static inline void inode_inc_link_count(struct inode *inode) { @@ -1796,35 +1782,6 @@ static inline void inode_inc_link_count(struct inode *inode) mark_inode_dirty(inode); } -/** - * drop_nlink - directly drop an inode's link count - * @inode: inode - * - * This is a low-level filesystem helper to replace any - * direct filesystem manipulation of i_nlink. In cases - * where we are attempting to track writes to the - * filesystem, a decrement to zero means an imminent - * write when the file is truncated and actually unlinked - * on the filesystem. - */ -static inline void drop_nlink(struct inode *inode) -{ - inode->__i_nlink--; -} - -/** - * clear_nlink - directly zero an inode's link count - * @inode: inode - * - * This is a low-level filesystem helper to replace any - * direct filesystem manipulation of i_nlink. See - * drop_nlink() for why we care about i_nlink hitting zero. - */ -static inline void clear_nlink(struct inode *inode) -{ - inode->__i_nlink = 0; -} - static inline void inode_dec_link_count(struct inode *inode) { drop_nlink(inode); @@ -1864,7 +1821,7 @@ struct file_system_type { void (*kill_sb) (struct super_block *); struct module *owner; struct file_system_type * next; - struct list_head fs_supers; + struct hlist_head fs_supers; struct lock_class_key s_lock_key; struct lock_class_key s_umount_key; @@ -1939,7 +1896,7 @@ extern int iterate_mounts(int (*)(struct vfsmount *, void *), void *, extern int vfs_statfs(struct path *, struct kstatfs *); extern int user_statfs(const char __user *, struct kstatfs *); extern int fd_statfs(int, struct kstatfs *); -extern int statfs_by_dentry(struct dentry *, struct kstatfs *); +extern int vfs_ustat(dev_t, struct kstatfs *); extern int freeze_super(struct super_block *super); extern int thaw_super(struct super_block *super); extern bool our_mnt(struct vfsmount *mnt); @@ -2054,8 +2011,8 @@ extern int do_truncate(struct dentry *, loff_t start, unsigned int time_attrs, extern int do_fallocate(struct file *file, int mode, loff_t offset, loff_t len); extern long do_sys_open(int dfd, const char __user *filename, int flags, - int mode); -extern struct file *filp_open(const char *, int, int); + umode_t mode); +extern struct file *filp_open(const char *, int, umode_t); extern struct file *file_open_root(struct dentry *, struct vfsmount *, const char *, int); extern struct file * dentry_open(struct dentry *, struct vfsmount *, int, @@ -2092,6 +2049,7 @@ extern void bd_forget(struct inode *inode); extern void bdput(struct block_device *); extern void invalidate_bdev(struct block_device *); extern int sync_blockdev(struct block_device *bdev); +extern void kill_bdev(struct block_device *); extern struct super_block *freeze_bdev(struct block_device *); extern void emergency_thaw_all(void); extern int thaw_bdev(struct block_device *bdev, struct super_block *sb); @@ -2099,6 +2057,7 @@ extern int fsync_bdev(struct block_device *); #else static inline void bd_forget(struct inode *inode) {} static inline int sync_blockdev(struct block_device *bdev) { return 0; } +static inline void kill_bdev(struct block_device *bdev) {} static inline void invalidate_bdev(struct block_device *bdev) {} static inline struct super_block *freeze_bdev(struct block_device *sb) @@ -2191,8 +2150,6 @@ extern const struct file_operations read_pipefifo_fops; extern const struct file_operations write_pipefifo_fops; extern const struct file_operations rdwr_pipefifo_fops; -extern int fs_may_remount_ro(struct super_block *); - #ifdef CONFIG_BLOCK /* * return READ, READA, or WRITE @@ -2415,6 +2372,7 @@ extern ssize_t blkdev_aio_write(struct kiocb *iocb, const struct iovec *iov, unsigned long nr_segs, loff_t pos); extern int blkdev_fsync(struct file *filp, loff_t start, loff_t end, int datasync); +extern void block_sync_page(struct page *page); /* fs/splice.c */ extern ssize_t generic_file_splice_read(struct file *, loff_t *, @@ -2531,7 +2489,6 @@ extern void put_filesystem(struct file_system_type *fs); extern struct file_system_type *get_fs_type(const char *name); extern struct super_block *get_super(struct block_device *); extern struct super_block *get_active_super(struct block_device *bdev); -extern struct super_block *user_get_super(dev_t); extern void drop_super(struct super_block *sb); extern void iterate_supers(void (*)(struct super_block *, void *), void *); extern void iterate_supers_type(struct file_system_type *, @@ -2590,7 +2547,7 @@ extern void setattr_copy(struct inode *inode, const struct iattr *attr); extern void file_update_time(struct file *file); -extern int generic_show_options(struct seq_file *m, struct vfsmount *mnt); +extern int generic_show_options(struct seq_file *m, struct dentry *root); extern void save_mount_options(struct super_block *sb, char *options); extern void replace_mount_options(struct super_block *sb, char *options); @@ -2691,7 +2648,7 @@ int __init get_filesystem_list(char *buf); #define OPEN_FMODE(flag) ((__force fmode_t)(((flag + 1) & O_ACCMODE) | \ (flag & __FMODE_NONOTIFY))) -static inline int is_sxid(mode_t mode) +static inline int is_sxid(umode_t mode) { return (mode & S_ISUID) || ((mode & S_ISGID) && (mode & S_IXGRP)); } diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 6d18f3531f18..fe23ee768589 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -163,7 +163,7 @@ struct gendisk { * disks that can't be partitioned. */ char disk_name[DISK_NAME_LEN]; /* name of major driver */ - char *(*devnode)(struct gendisk *gd, mode_t *mode); + char *(*devnode)(struct gendisk *gd, umode_t *mode); unsigned int events; /* supported events */ unsigned int async_events; /* async events, subset of all */ diff --git a/include/linux/ide.h b/include/linux/ide.h index 42557851b12e..501370b61ee5 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -920,7 +920,7 @@ __IDE_PROC_DEVSET(_name, _min, _max, NULL, NULL) typedef struct { const char *name; - mode_t mode; + umode_t mode; const struct file_operations *proc_fops; } ide_proc_entry_t; diff --git a/include/linux/ipc.h b/include/linux/ipc.h index 3b1594d662b0..30e816148df4 100644 --- a/include/linux/ipc.h +++ b/include/linux/ipc.h @@ -93,7 +93,7 @@ struct kern_ipc_perm gid_t gid; uid_t cuid; gid_t cgid; - mode_t mode; + umode_t mode; unsigned long seq; void *security; }; diff --git a/include/linux/iscsi_boot_sysfs.h b/include/linux/iscsi_boot_sysfs.h index f0a2f8b0aa13..2a8b1659bf35 100644 --- a/include/linux/iscsi_boot_sysfs.h +++ b/include/linux/iscsi_boot_sysfs.h @@ -91,7 +91,7 @@ struct iscsi_boot_kobj { * The enum of the type. This can be any value of the above * properties. */ - mode_t (*is_visible) (void *data, int type); + umode_t (*is_visible) (void *data, int type); /* * Driver specific release function. @@ -110,20 +110,20 @@ struct iscsi_boot_kobj * iscsi_boot_create_initiator(struct iscsi_boot_kset *boot_kset, int index, void *data, ssize_t (*show) (void *data, int type, char *buf), - mode_t (*is_visible) (void *data, int type), + umode_t (*is_visible) (void *data, int type), void (*release) (void *data)); struct iscsi_boot_kobj * iscsi_boot_create_ethernet(struct iscsi_boot_kset *boot_kset, int index, void *data, ssize_t (*show) (void *data, int type, char *buf), - mode_t (*is_visible) (void *data, int type), + umode_t (*is_visible) (void *data, int type), void (*release) (void *data)); struct iscsi_boot_kobj * iscsi_boot_create_target(struct iscsi_boot_kset *boot_kset, int index, void *data, ssize_t (*show) (void *data, int type, char *buf), - mode_t (*is_visible) (void *data, int type), + umode_t (*is_visible) (void *data, int type), void (*release) (void *data)); struct iscsi_boot_kset *iscsi_boot_create_kset(const char *set_name); diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h index c41d7270c6c6..32085249e9cb 100644 --- a/include/linux/miscdevice.h +++ b/include/linux/miscdevice.h @@ -54,7 +54,7 @@ struct miscdevice { struct device *parent; struct device *this_device; const char *nodename; - mode_t mode; + umode_t mode; }; extern int misc_register(struct miscdevice * misc); diff --git a/include/linux/mnt_namespace.h b/include/linux/mnt_namespace.h index 29304855652d..5a8e3903d770 100644 --- a/include/linux/mnt_namespace.h +++ b/include/linux/mnt_namespace.h @@ -2,39 +2,16 @@ #define _NAMESPACE_H_ #ifdef __KERNEL__ -#include <linux/path.h> -#include <linux/seq_file.h> -#include <linux/wait.h> - -struct mnt_namespace { - atomic_t count; - struct vfsmount * root; - struct list_head list; - wait_queue_head_t poll; - int event; -}; - -struct proc_mounts { - struct seq_file m; /* must be the first element */ - struct mnt_namespace *ns; - struct path root; -}; - +struct mnt_namespace; struct fs_struct; -extern struct mnt_namespace *create_mnt_ns(struct vfsmount *mnt); extern struct mnt_namespace *copy_mnt_ns(unsigned long, struct mnt_namespace *, struct fs_struct *); extern void put_mnt_ns(struct mnt_namespace *ns); -static inline void get_mnt_ns(struct mnt_namespace *ns) -{ - atomic_inc(&ns->count); -} -extern const struct seq_operations mounts_op; -extern const struct seq_operations mountinfo_op; -extern const struct seq_operations mountstats_op; -extern int mnt_had_events(struct proc_mounts *); +extern const struct file_operations proc_mounts_operations; +extern const struct file_operations proc_mountinfo_operations; +extern const struct file_operations proc_mountstats_operations; #endif #endif diff --git a/include/linux/mount.h b/include/linux/mount.h index 33fe53d78110..d7029f4a191a 100644 --- a/include/linux/mount.h +++ b/include/linux/mount.h @@ -47,45 +47,10 @@ struct mnt_namespace; #define MNT_INTERNAL 0x4000 -struct mnt_pcp { - int mnt_count; - int mnt_writers; -}; - struct vfsmount { - struct list_head mnt_hash; - struct vfsmount *mnt_parent; /* fs we are mounted on */ - struct dentry *mnt_mountpoint; /* dentry of mountpoint */ struct dentry *mnt_root; /* root of the mounted tree */ struct super_block *mnt_sb; /* pointer to superblock */ -#ifdef CONFIG_SMP - struct mnt_pcp __percpu *mnt_pcp; - atomic_t mnt_longterm; /* how many of the refs are longterm */ -#else - int mnt_count; - int mnt_writers; -#endif - struct list_head mnt_mounts; /* list of children, anchored here */ - struct list_head mnt_child; /* and going through their mnt_child */ int mnt_flags; - /* 4 bytes hole on 64bits arches without fsnotify */ -#ifdef CONFIG_FSNOTIFY - __u32 mnt_fsnotify_mask; - struct hlist_head mnt_fsnotify_marks; -#endif - const char *mnt_devname; /* Name of device e.g. /dev/dsk/hda1 */ - struct list_head mnt_list; - struct list_head mnt_expire; /* link in fs-specific expiry list */ - struct list_head mnt_share; /* circular list of shared mounts */ - struct list_head mnt_slave_list;/* list of slave mounts */ - struct list_head mnt_slave; /* slave list entry */ - struct vfsmount *mnt_master; /* slave is on master->mnt_slave_list */ - struct mnt_namespace *mnt_ns; /* containing namespace */ - int mnt_id; /* mount identifier */ - int mnt_group_id; /* peer group identifier */ - int mnt_expiry_mark; /* true if marked for expiry */ - int mnt_pinned; - int mnt_ghosts; }; struct file; /* forward dec */ @@ -94,15 +59,13 @@ extern int mnt_want_write(struct vfsmount *mnt); extern int mnt_want_write_file(struct file *file); extern int mnt_clone_write(struct vfsmount *mnt); extern void mnt_drop_write(struct vfsmount *mnt); +extern void mnt_drop_write_file(struct file *file); extern void mntput(struct vfsmount *mnt); extern struct vfsmount *mntget(struct vfsmount *mnt); extern void mnt_pin(struct vfsmount *mnt); extern void mnt_unpin(struct vfsmount *mnt); extern int __mnt_is_readonly(struct vfsmount *mnt); -extern struct vfsmount *do_kern_mount(const char *fstype, int flags, - const char *name, void *data); - struct file_system_type; extern struct vfsmount *vfs_kern_mount(struct file_system_type *type, int flags, const char *name, diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h index 92ecf5585fac..8c29950d2fa5 100644 --- a/include/linux/nfs_fs.h +++ b/include/linux/nfs_fs.h @@ -373,7 +373,7 @@ extern void nfs_setattr_update_inode(struct inode *inode, struct iattr *attr); extern struct nfs_open_context *get_nfs_open_context(struct nfs_open_context *ctx); extern void put_nfs_open_context(struct nfs_open_context *ctx); extern struct nfs_open_context *nfs_find_open_context(struct inode *inode, struct rpc_cred *cred, fmode_t mode); -extern struct nfs_open_context *alloc_nfs_open_context(struct dentry *dentry, struct rpc_cred *cred, fmode_t f_mode); +extern struct nfs_open_context *alloc_nfs_open_context(struct dentry *dentry, fmode_t f_mode); extern void nfs_file_set_open_context(struct file *filp, struct nfs_open_context *ctx); extern struct nfs_lock_context *nfs_get_lock_context(struct nfs_open_context *ctx); extern void nfs_put_lock_context(struct nfs_lock_context *l_ctx); diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h index 643b96c7a94f..6d9e575519cc 100644 --- a/include/linux/proc_fs.h +++ b/include/linux/proc_fs.h @@ -50,7 +50,7 @@ typedef int (write_proc_t)(struct file *file, const char __user *buffer, struct proc_dir_entry { unsigned int low_ino; - mode_t mode; + umode_t mode; nlink_t nlink; uid_t uid; gid_t gid; @@ -106,9 +106,9 @@ extern void proc_root_init(void); void proc_flush_task(struct task_struct *task); -extern struct proc_dir_entry *create_proc_entry(const char *name, mode_t mode, +extern struct proc_dir_entry *create_proc_entry(const char *name, umode_t mode, struct proc_dir_entry *parent); -struct proc_dir_entry *proc_create_data(const char *name, mode_t mode, +struct proc_dir_entry *proc_create_data(const char *name, umode_t mode, struct proc_dir_entry *parent, const struct file_operations *proc_fops, void *data); @@ -146,17 +146,17 @@ extern void proc_device_tree_update_prop(struct proc_dir_entry *pde, extern struct proc_dir_entry *proc_symlink(const char *, struct proc_dir_entry *, const char *); extern struct proc_dir_entry *proc_mkdir(const char *,struct proc_dir_entry *); -extern struct proc_dir_entry *proc_mkdir_mode(const char *name, mode_t mode, +extern struct proc_dir_entry *proc_mkdir_mode(const char *name, umode_t mode, struct proc_dir_entry *parent); -static inline struct proc_dir_entry *proc_create(const char *name, mode_t mode, +static inline struct proc_dir_entry *proc_create(const char *name, umode_t mode, struct proc_dir_entry *parent, const struct file_operations *proc_fops) { return proc_create_data(name, mode, parent, proc_fops, NULL); } static inline struct proc_dir_entry *create_proc_read_entry(const char *name, - mode_t mode, struct proc_dir_entry *base, + umode_t mode, struct proc_dir_entry *base, read_proc_t *read_proc, void * data) { struct proc_dir_entry *res=create_proc_entry(name,mode,base); @@ -168,7 +168,7 @@ static inline struct proc_dir_entry *create_proc_read_entry(const char *name, } extern struct proc_dir_entry *proc_net_fops_create(struct net *net, - const char *name, mode_t mode, const struct file_operations *fops); + const char *name, umode_t mode, const struct file_operations *fops); extern void proc_net_remove(struct net *net, const char *name); extern struct proc_dir_entry *proc_net_mkdir(struct net *net, const char *name, struct proc_dir_entry *parent); @@ -185,15 +185,15 @@ static inline void proc_flush_task(struct task_struct *task) } static inline struct proc_dir_entry *create_proc_entry(const char *name, - mode_t mode, struct proc_dir_entry *parent) { return NULL; } + umode_t mode, struct proc_dir_entry *parent) { return NULL; } static inline struct proc_dir_entry *proc_create(const char *name, - mode_t mode, struct proc_dir_entry *parent, + umode_t mode, struct proc_dir_entry *parent, const struct file_operations *proc_fops) { return NULL; } static inline struct proc_dir_entry *proc_create_data(const char *name, - mode_t mode, struct proc_dir_entry *parent, + umode_t mode, struct proc_dir_entry *parent, const struct file_operations *proc_fops, void *data) { return NULL; @@ -205,10 +205,10 @@ static inline struct proc_dir_entry *proc_symlink(const char *name, static inline struct proc_dir_entry *proc_mkdir(const char *name, struct proc_dir_entry *parent) {return NULL;} static inline struct proc_dir_entry *proc_mkdir_mode(const char *name, - mode_t mode, struct proc_dir_entry *parent) { return NULL; } + umode_t mode, struct proc_dir_entry *parent) { return NULL; } static inline struct proc_dir_entry *create_proc_read_entry(const char *name, - mode_t mode, struct proc_dir_entry *base, + umode_t mode, struct proc_dir_entry *base, read_proc_t *read_proc, void * data) { return NULL; } struct tty_driver; diff --git a/include/linux/ramfs.h b/include/linux/ramfs.h index 3a8f0c9b2933..5bf5500db83d 100644 --- a/include/linux/ramfs.h +++ b/include/linux/ramfs.h @@ -2,7 +2,7 @@ #define _LINUX_RAMFS_H struct inode *ramfs_get_inode(struct super_block *sb, const struct inode *dir, - int mode, dev_t dev); + umode_t mode, dev_t dev); extern struct dentry *ramfs_mount(struct file_system_type *fs_type, int flags, const char *dev_name, void *data); diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h index 96d465f8d3e6..2213ddcce20c 100644 --- a/include/linux/reiserfs_fs.h +++ b/include/linux/reiserfs_fs.h @@ -1759,13 +1759,14 @@ struct reiserfs_journal_header { REISERFS_QUOTA_TRANS_BLOCKS(sb))) #ifdef CONFIG_QUOTA +#define REISERFS_QUOTA_OPTS ((1 << REISERFS_USRQUOTA) | (1 << REISERFS_GRPQUOTA)) /* We need to update data and inode (atime) */ -#define REISERFS_QUOTA_TRANS_BLOCKS(s) (REISERFS_SB(s)->s_mount_opt & (1<<REISERFS_QUOTA) ? 2 : 0) +#define REISERFS_QUOTA_TRANS_BLOCKS(s) (REISERFS_SB(s)->s_mount_opt & REISERFS_QUOTA_OPTS ? 2 : 0) /* 1 balancing, 1 bitmap, 1 data per write + stat data update */ -#define REISERFS_QUOTA_INIT_BLOCKS(s) (REISERFS_SB(s)->s_mount_opt & (1<<REISERFS_QUOTA) ? \ +#define REISERFS_QUOTA_INIT_BLOCKS(s) (REISERFS_SB(s)->s_mount_opt & REISERFS_QUOTA_OPTS ? \ (DQUOT_INIT_ALLOC*(JOURNAL_PER_BALANCE_CNT+2)+DQUOT_INIT_REWRITE+1) : 0) /* same as with INIT */ -#define REISERFS_QUOTA_DEL_BLOCKS(s) (REISERFS_SB(s)->s_mount_opt & (1<<REISERFS_QUOTA) ? \ +#define REISERFS_QUOTA_DEL_BLOCKS(s) (REISERFS_SB(s)->s_mount_opt & REISERFS_QUOTA_OPTS ? \ (DQUOT_DEL_ALLOC*(JOURNAL_PER_BALANCE_CNT+2)+DQUOT_DEL_REWRITE+1) : 0) #else #define REISERFS_QUOTA_TRANS_BLOCKS(s) 0 @@ -2056,7 +2057,7 @@ struct inode *reiserfs_iget(struct super_block *s, const struct cpu_key *key); struct reiserfs_security_handle; int reiserfs_new_inode(struct reiserfs_transaction_handle *th, - struct inode *dir, int mode, + struct inode *dir, umode_t mode, const char *symname, loff_t i_size, struct dentry *dentry, struct inode *inode, struct reiserfs_security_handle *security); diff --git a/include/linux/reiserfs_fs_sb.h b/include/linux/reiserfs_fs_sb.h index 52c83b6a758a..8c9e85c64b46 100644 --- a/include/linux/reiserfs_fs_sb.h +++ b/include/linux/reiserfs_fs_sb.h @@ -417,6 +417,7 @@ struct reiserfs_sb_info { char *s_qf_names[MAXQUOTAS]; int s_jquota_fmt; #endif + char *s_jdev; /* Stored jdev for mount option showing */ #ifdef CONFIG_REISERFS_CHECK struct tree_balance *cur_tb; /* @@ -482,7 +483,8 @@ enum reiserfs_mount_options { REISERFS_ERROR_RO, REISERFS_ERROR_CONTINUE, - REISERFS_QUOTA, /* Some quota option specified */ + REISERFS_USRQUOTA, /* User quota option specified */ + REISERFS_GRPQUOTA, /* Group quota option specified */ REISERFS_TEST1, REISERFS_TEST2, diff --git a/include/linux/relay.h b/include/linux/relay.h index 14a86bc7102b..a822fd71fd64 100644 --- a/include/linux/relay.h +++ b/include/linux/relay.h @@ -144,7 +144,7 @@ struct rchan_callbacks */ struct dentry *(*create_buf_file)(const char *filename, struct dentry *parent, - int mode, + umode_t mode, struct rchan_buf *buf, int *is_global); diff --git a/include/linux/security.h b/include/linux/security.h index e8c619d39291..4298d2dbafa3 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -1424,9 +1424,9 @@ struct security_operations { #ifdef CONFIG_SECURITY_PATH int (*path_unlink) (struct path *dir, struct dentry *dentry); - int (*path_mkdir) (struct path *dir, struct dentry *dentry, int mode); + int (*path_mkdir) (struct path *dir, struct dentry *dentry, umode_t mode); int (*path_rmdir) (struct path *dir, struct dentry *dentry); - int (*path_mknod) (struct path *dir, struct dentry *dentry, int mode, + int (*path_mknod) (struct path *dir, struct dentry *dentry, umode_t mode, unsigned int dev); int (*path_truncate) (struct path *path); int (*path_symlink) (struct path *dir, struct dentry *dentry, @@ -1435,8 +1435,7 @@ struct security_operations { struct dentry *new_dentry); int (*path_rename) (struct path *old_dir, struct dentry *old_dentry, struct path *new_dir, struct dentry *new_dentry); - int (*path_chmod) (struct dentry *dentry, struct vfsmount *mnt, - mode_t mode); + int (*path_chmod) (struct path *path, umode_t mode); int (*path_chown) (struct path *path, uid_t uid, gid_t gid); int (*path_chroot) (struct path *path); #endif @@ -1447,16 +1446,16 @@ struct security_operations { const struct qstr *qstr, char **name, void **value, size_t *len); int (*inode_create) (struct inode *dir, - struct dentry *dentry, int mode); + struct dentry *dentry, umode_t mode); int (*inode_link) (struct dentry *old_dentry, struct inode *dir, struct dentry *new_dentry); int (*inode_unlink) (struct inode *dir, struct dentry *dentry); int (*inode_symlink) (struct inode *dir, struct dentry *dentry, const char *old_name); - int (*inode_mkdir) (struct inode *dir, struct dentry *dentry, int mode); + int (*inode_mkdir) (struct inode *dir, struct dentry *dentry, umode_t mode); int (*inode_rmdir) (struct inode *dir, struct dentry *dentry); int (*inode_mknod) (struct inode *dir, struct dentry *dentry, - int mode, dev_t dev); + umode_t mode, dev_t dev); int (*inode_rename) (struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry); int (*inode_readlink) (struct dentry *dentry); @@ -1716,15 +1715,15 @@ int security_inode_init_security(struct inode *inode, struct inode *dir, int security_old_inode_init_security(struct inode *inode, struct inode *dir, const struct qstr *qstr, char **name, void **value, size_t *len); -int security_inode_create(struct inode *dir, struct dentry *dentry, int mode); +int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode); int security_inode_link(struct dentry *old_dentry, struct inode *dir, struct dentry *new_dentry); int security_inode_unlink(struct inode *dir, struct dentry *dentry); int security_inode_symlink(struct inode *dir, struct dentry *dentry, const char *old_name); -int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode); +int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode); int security_inode_rmdir(struct inode *dir, struct dentry *dentry); -int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev); +int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev); int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, struct dentry *new_dentry); int security_inode_readlink(struct dentry *dentry); @@ -2061,7 +2060,7 @@ static inline int security_old_inode_init_security(struct inode *inode, static inline int security_inode_create(struct inode *dir, struct dentry *dentry, - int mode) + umode_t mode) { return 0; } @@ -2855,9 +2854,9 @@ static inline void security_skb_classify_flow(struct sk_buff *skb, struct flowi #ifdef CONFIG_SECURITY_PATH int security_path_unlink(struct path *dir, struct dentry *dentry); -int security_path_mkdir(struct path *dir, struct dentry *dentry, int mode); +int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode); int security_path_rmdir(struct path *dir, struct dentry *dentry); -int security_path_mknod(struct path *dir, struct dentry *dentry, int mode, +int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode, unsigned int dev); int security_path_truncate(struct path *path); int security_path_symlink(struct path *dir, struct dentry *dentry, @@ -2866,8 +2865,7 @@ int security_path_link(struct dentry *old_dentry, struct path *new_dir, struct dentry *new_dentry); int security_path_rename(struct path *old_dir, struct dentry *old_dentry, struct path *new_dir, struct dentry *new_dentry); -int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt, - mode_t mode); +int security_path_chmod(struct path *path, umode_t mode); int security_path_chown(struct path *path, uid_t uid, gid_t gid); int security_path_chroot(struct path *path); #else /* CONFIG_SECURITY_PATH */ @@ -2877,7 +2875,7 @@ static inline int security_path_unlink(struct path *dir, struct dentry *dentry) } static inline int security_path_mkdir(struct path *dir, struct dentry *dentry, - int mode) + umode_t mode) { return 0; } @@ -2888,7 +2886,7 @@ static inline int security_path_rmdir(struct path *dir, struct dentry *dentry) } static inline int security_path_mknod(struct path *dir, struct dentry *dentry, - int mode, unsigned int dev) + umode_t mode, unsigned int dev) { return 0; } @@ -2919,9 +2917,7 @@ static inline int security_path_rename(struct path *old_dir, return 0; } -static inline int security_path_chmod(struct dentry *dentry, - struct vfsmount *mnt, - mode_t mode) +static inline int security_path_chmod(struct path *path, umode_t mode) { return 0; } @@ -3010,7 +3006,7 @@ static inline void security_audit_rule_free(void *lsmrule) #ifdef CONFIG_SECURITYFS -extern struct dentry *securityfs_create_file(const char *name, mode_t mode, +extern struct dentry *securityfs_create_file(const char *name, umode_t mode, struct dentry *parent, void *data, const struct file_operations *fops); extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent); @@ -3025,7 +3021,7 @@ static inline struct dentry *securityfs_create_dir(const char *name, } static inline struct dentry *securityfs_create_file(const char *name, - mode_t mode, + umode_t mode, struct dentry *parent, void *data, const struct file_operations *fops) diff --git a/include/linux/seq_file.h b/include/linux/seq_file.h index 0b69a4684216..44f1514b00ba 100644 --- a/include/linux/seq_file.h +++ b/include/linux/seq_file.h @@ -74,7 +74,7 @@ static inline void seq_commit(struct seq_file *m, int num) } } -char *mangle_path(char *s, char *p, char *esc); +char *mangle_path(char *s, const char *p, const char *esc); int seq_open(struct file *, const struct seq_operations *); ssize_t seq_read(struct file *, char __user *, size_t, loff_t *); loff_t seq_lseek(struct file *, loff_t, int); @@ -86,10 +86,10 @@ int seq_write(struct seq_file *seq, const void *data, size_t len); __printf(2, 3) int seq_printf(struct seq_file *, const char *, ...); -int seq_path(struct seq_file *, struct path *, char *); -int seq_dentry(struct seq_file *, struct dentry *, char *); -int seq_path_root(struct seq_file *m, struct path *path, struct path *root, - char *esc); +int seq_path(struct seq_file *, const struct path *, const char *); +int seq_dentry(struct seq_file *, struct dentry *, const char *); +int seq_path_root(struct seq_file *m, const struct path *path, + const struct path *root, const char *esc); int seq_bitmap(struct seq_file *m, const unsigned long *bits, unsigned int nr_bits); static inline int seq_cpumask(struct seq_file *m, const struct cpumask *mask) diff --git a/include/linux/shmem_fs.h b/include/linux/shmem_fs.h index 9291ac3cc627..e4c711c6f321 100644 --- a/include/linux/shmem_fs.h +++ b/include/linux/shmem_fs.h @@ -30,7 +30,7 @@ struct shmem_sb_info { spinlock_t stat_lock; /* Serialize shmem_sb_info changes */ uid_t uid; /* Mount uid for root directory */ gid_t gid; /* Mount gid for root directory */ - mode_t mode; /* Mount mode for root directory */ + umode_t mode; /* Mount mode for root directory */ struct mempolicy *mpol; /* default memory policy for mappings */ }; diff --git a/include/linux/sunrpc/cache.h b/include/linux/sunrpc/cache.h index 5efd8cef389e..57531f8e5956 100644 --- a/include/linux/sunrpc/cache.h +++ b/include/linux/sunrpc/cache.h @@ -203,7 +203,7 @@ extern void cache_unregister(struct cache_detail *cd); extern void cache_unregister_net(struct cache_detail *cd, struct net *net); extern int sunrpc_cache_register_pipefs(struct dentry *parent, const char *, - mode_t, struct cache_detail *); + umode_t, struct cache_detail *); extern void sunrpc_cache_unregister_pipefs(struct cache_detail *); extern void qword_add(char **bpp, int *lp, char *str); diff --git a/include/linux/sunrpc/rpc_pipe_fs.h b/include/linux/sunrpc/rpc_pipe_fs.h index e4ea43058d8f..2bb03d77375a 100644 --- a/include/linux/sunrpc/rpc_pipe_fs.h +++ b/include/linux/sunrpc/rpc_pipe_fs.h @@ -55,7 +55,7 @@ extern int rpc_remove_client_dir(struct dentry *); struct cache_detail; extern struct dentry *rpc_create_cache_dir(struct dentry *, struct qstr *, - mode_t umode, + umode_t umode, struct cache_detail *); extern void rpc_remove_cache_dir(struct dentry *); diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index 86a24b1166d1..515669fa3c1d 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -475,7 +475,7 @@ asmlinkage long sys_mincore(unsigned long start, size_t len, asmlinkage long sys_pivot_root(const char __user *new_root, const char __user *put_old); asmlinkage long sys_chroot(const char __user *filename); -asmlinkage long sys_mknod(const char __user *filename, int mode, +asmlinkage long sys_mknod(const char __user *filename, umode_t mode, unsigned dev); asmlinkage long sys_link(const char __user *oldname, const char __user *newname); @@ -483,8 +483,8 @@ asmlinkage long sys_symlink(const char __user *old, const char __user *new); asmlinkage long sys_unlink(const char __user *pathname); asmlinkage long sys_rename(const char __user *oldname, const char __user *newname); -asmlinkage long sys_chmod(const char __user *filename, mode_t mode); -asmlinkage long sys_fchmod(unsigned int fd, mode_t mode); +asmlinkage long sys_chmod(const char __user *filename, umode_t mode); +asmlinkage long sys_fchmod(unsigned int fd, umode_t mode); asmlinkage long sys_fcntl(unsigned int fd, unsigned int cmd, unsigned long arg); #if BITS_PER_LONG == 32 @@ -517,9 +517,9 @@ asmlinkage long sys_sendfile64(int out_fd, int in_fd, loff_t __user *offset, size_t count); asmlinkage long sys_readlink(const char __user *path, char __user *buf, int bufsiz); -asmlinkage long sys_creat(const char __user *pathname, int mode); +asmlinkage long sys_creat(const char __user *pathname, umode_t mode); asmlinkage long sys_open(const char __user *filename, - int flags, int mode); + int flags, umode_t mode); asmlinkage long sys_close(unsigned int fd); asmlinkage long sys_access(const char __user *filename, int mode); asmlinkage long sys_vhangup(void); @@ -582,7 +582,7 @@ asmlinkage long sys_preadv(unsigned long fd, const struct iovec __user *vec, asmlinkage long sys_pwritev(unsigned long fd, const struct iovec __user *vec, unsigned long vlen, unsigned long pos_l, unsigned long pos_h); asmlinkage long sys_getcwd(char __user *buf, unsigned long size); -asmlinkage long sys_mkdir(const char __user *pathname, int mode); +asmlinkage long sys_mkdir(const char __user *pathname, umode_t mode); asmlinkage long sys_chdir(const char __user *filename); asmlinkage long sys_fchdir(unsigned int fd); asmlinkage long sys_rmdir(const char __user *pathname); @@ -679,7 +679,7 @@ asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf); asmlinkage long sys_ipc(unsigned int call, int first, unsigned long second, unsigned long third, void __user *ptr, long fifth); -asmlinkage long sys_mq_open(const char __user *name, int oflag, mode_t mode, struct mq_attr __user *attr); +asmlinkage long sys_mq_open(const char __user *name, int oflag, umode_t mode, struct mq_attr __user *attr); asmlinkage long sys_mq_unlink(const char __user *name); asmlinkage long sys_mq_timedsend(mqd_t mqdes, const char __user *msg_ptr, size_t msg_len, unsigned int msg_prio, const struct timespec __user *abs_timeout); asmlinkage long sys_mq_timedreceive(mqd_t mqdes, char __user *msg_ptr, size_t msg_len, unsigned int __user *msg_prio, const struct timespec __user *abs_timeout); @@ -753,11 +753,11 @@ asmlinkage long sys_inotify_rm_watch(int fd, __s32 wd); asmlinkage long sys_spu_run(int fd, __u32 __user *unpc, __u32 __user *ustatus); asmlinkage long sys_spu_create(const char __user *name, - unsigned int flags, mode_t mode, int fd); + unsigned int flags, umode_t mode, int fd); -asmlinkage long sys_mknodat(int dfd, const char __user * filename, int mode, +asmlinkage long sys_mknodat(int dfd, const char __user * filename, umode_t mode, unsigned dev); -asmlinkage long sys_mkdirat(int dfd, const char __user * pathname, int mode); +asmlinkage long sys_mkdirat(int dfd, const char __user * pathname, umode_t mode); asmlinkage long sys_unlinkat(int dfd, const char __user * pathname, int flag); asmlinkage long sys_symlinkat(const char __user * oldname, int newdfd, const char __user * newname); @@ -769,11 +769,11 @@ asmlinkage long sys_futimesat(int dfd, const char __user *filename, struct timeval __user *utimes); asmlinkage long sys_faccessat(int dfd, const char __user *filename, int mode); asmlinkage long sys_fchmodat(int dfd, const char __user * filename, - mode_t mode); + umode_t mode); asmlinkage long sys_fchownat(int dfd, const char __user *filename, uid_t user, gid_t group, int flag); asmlinkage long sys_openat(int dfd, const char __user *filename, int flags, - int mode); + umode_t mode); asmlinkage long sys_newfstatat(int dfd, const char __user *filename, struct stat __user *statbuf, int flag); asmlinkage long sys_fstatat64(int dfd, const char __user *filename, diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h index 703cfa33a3ca..bb9127dd814b 100644 --- a/include/linux/sysctl.h +++ b/include/linux/sysctl.h @@ -1038,7 +1038,7 @@ struct ctl_table const char *procname; /* Text ID for /proc/sys, or zero */ void *data; int maxlen; - mode_t mode; + umode_t mode; struct ctl_table *child; struct ctl_table *parent; /* Automatically set */ proc_handler *proc_handler; /* Callback for text formatting */ diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h index dac0859e6440..0010009b2f00 100644 --- a/include/linux/sysfs.h +++ b/include/linux/sysfs.h @@ -25,7 +25,7 @@ enum kobj_ns_type; struct attribute { const char *name; - mode_t mode; + umode_t mode; #ifdef CONFIG_DEBUG_LOCK_ALLOC struct lock_class_key *key; struct lock_class_key skey; @@ -55,7 +55,7 @@ do { \ struct attribute_group { const char *name; - mode_t (*is_visible)(struct kobject *, + umode_t (*is_visible)(struct kobject *, struct attribute *, int); struct attribute **attrs; }; @@ -133,7 +133,7 @@ int __must_check sysfs_create_file(struct kobject *kobj, int __must_check sysfs_create_files(struct kobject *kobj, const struct attribute **attr); int __must_check sysfs_chmod_file(struct kobject *kobj, - const struct attribute *attr, mode_t mode); + const struct attribute *attr, umode_t mode); void sysfs_remove_file(struct kobject *kobj, const struct attribute *attr); void sysfs_remove_files(struct kobject *kobj, const struct attribute **attr); @@ -221,7 +221,7 @@ static inline int sysfs_create_files(struct kobject *kobj, } static inline int sysfs_chmod_file(struct kobject *kobj, - const struct attribute *attr, mode_t mode) + const struct attribute *attr, umode_t mode) { return 0; } diff --git a/include/linux/types.h b/include/linux/types.h index 57a97234bec1..f0ac9bda0f78 100644 --- a/include/linux/types.h +++ b/include/linux/types.h @@ -24,6 +24,7 @@ typedef __kernel_fd_set fd_set; typedef __kernel_dev_t dev_t; typedef __kernel_ino_t ino_t; typedef __kernel_mode_t mode_t; +typedef unsigned short umode_t; typedef __kernel_nlink_t nlink_t; typedef __kernel_off_t off_t; typedef __kernel_pid_t pid_t; diff --git a/include/linux/usb.h b/include/linux/usb.h index 5d258c3180ae..7f8d4d61ca47 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -935,7 +935,7 @@ extern struct bus_type usb_bus_type; */ struct usb_class_driver { char *name; - char *(*devnode)(struct device *dev, mode_t *mode); + char *(*devnode)(struct device *dev, umode_t *mode); const struct file_operations *fops; int minor_base; }; diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index 5994bcc1b017..87f34c3d447d 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -142,7 +142,7 @@ struct iscsi_transport { int (*get_iface_param) (struct iscsi_iface *iface, enum iscsi_param_type param_type, int param, char *buf); - mode_t (*attr_is_visible)(int param_type, int param); + umode_t (*attr_is_visible)(int param_type, int param); int (*bsg_request)(struct bsg_job *job); }; diff --git a/include/sound/info.h b/include/sound/info.h index 5492cc40dc57..9ca1a493d370 100644 --- a/include/sound/info.h +++ b/include/sound/info.h @@ -72,7 +72,7 @@ struct snd_info_entry_ops { struct snd_info_entry { const char *name; - mode_t mode; + umode_t mode; long size; unsigned short content; union { diff --git a/init/do_mounts.c b/init/do_mounts.c index 0f6e1d985a3b..b2eee02e0f83 100644 --- a/init/do_mounts.c +++ b/init/do_mounts.c @@ -325,17 +325,19 @@ static void __init get_fs_names(char *page) static int __init do_mount_root(char *name, char *fs, int flags, void *data) { + struct super_block *s; int err = sys_mount(name, "/root", fs, flags, data); if (err) return err; sys_chdir((const char __user __force *)"/root"); - ROOT_DEV = current->fs->pwd.mnt->mnt_sb->s_dev; + s = current->fs->pwd.dentry->d_sb; + ROOT_DEV = s->s_dev; printk(KERN_INFO "VFS: Mounted root (%s filesystem)%s on device %u:%u.\n", - current->fs->pwd.mnt->mnt_sb->s_type->name, - current->fs->pwd.mnt->mnt_sb->s_flags & MS_RDONLY ? - " readonly" : "", MAJOR(ROOT_DEV), MINOR(ROOT_DEV)); + s->s_type->name, + s->s_flags & MS_RDONLY ? " readonly" : "", + MAJOR(ROOT_DEV), MINOR(ROOT_DEV)); return 0; } diff --git a/init/initramfs.c b/init/initramfs.c index 2531811d42cb..8216c303b082 100644 --- a/init/initramfs.c +++ b/init/initramfs.c @@ -22,7 +22,7 @@ static void __init error(char *x) static __initdata struct hash { int ino, minor, major; - mode_t mode; + umode_t mode; struct hash *next; char name[N_ALIGN(PATH_MAX)]; } *head[32]; @@ -35,7 +35,7 @@ static inline int hash(int major, int minor, int ino) } static char __init *find_link(int major, int minor, int ino, - mode_t mode, char *name) + umode_t mode, char *name) { struct hash **p, *q; for (p = head + hash(major, minor, ino); *p; p = &(*p)->next) { @@ -120,7 +120,7 @@ static __initdata time_t mtime; /* cpio header parsing */ static __initdata unsigned long ino, major, minor, nlink; -static __initdata mode_t mode; +static __initdata umode_t mode; static __initdata unsigned long body_len, name_len; static __initdata uid_t uid; static __initdata gid_t gid; @@ -276,7 +276,7 @@ static int __init maybe_link(void) return 0; } -static void __init clean_path(char *path, mode_t mode) +static void __init clean_path(char *path, umode_t mode) { struct stat st; diff --git a/ipc/mqueue.c b/ipc/mqueue.c index 5b4293d9819d..9a142a290749 100644 --- a/ipc/mqueue.c +++ b/ipc/mqueue.c @@ -108,7 +108,7 @@ static struct ipc_namespace *get_ns_from_inode(struct inode *inode) } static struct inode *mqueue_get_inode(struct super_block *sb, - struct ipc_namespace *ipc_ns, int mode, + struct ipc_namespace *ipc_ns, umode_t mode, struct mq_attr *attr) { struct user_struct *u = current_user(); @@ -243,7 +243,6 @@ static struct inode *mqueue_alloc_inode(struct super_block *sb) static void mqueue_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(mqueue_inode_cachep, MQUEUE_I(inode)); } @@ -296,7 +295,7 @@ static void mqueue_evict_inode(struct inode *inode) } static int mqueue_create(struct inode *dir, struct dentry *dentry, - int mode, struct nameidata *nd) + umode_t mode, struct nameidata *nd) { struct inode *inode; struct mq_attr *attr = dentry->d_fsdata; @@ -611,7 +610,7 @@ static int mq_attr_ok(struct ipc_namespace *ipc_ns, struct mq_attr *attr) * Invoked when creating a new queue via sys_mq_open */ static struct file *do_create(struct ipc_namespace *ipc_ns, struct dentry *dir, - struct dentry *dentry, int oflag, mode_t mode, + struct dentry *dentry, int oflag, umode_t mode, struct mq_attr *attr) { const struct cred *cred = current_cred(); @@ -680,7 +679,7 @@ err: return ERR_PTR(ret); } -SYSCALL_DEFINE4(mq_open, const char __user *, u_name, int, oflag, mode_t, mode, +SYSCALL_DEFINE4(mq_open, const char __user *, u_name, int, oflag, umode_t, mode, struct mq_attr __user *, u_attr) { struct dentry *dentry; diff --git a/kernel/acct.c b/kernel/acct.c index 203dfead2e06..02e6167a53b0 100644 --- a/kernel/acct.c +++ b/kernel/acct.c @@ -84,11 +84,10 @@ static void do_acct_process(struct bsd_acct_struct *acct, * the cache line to have the data after getting the lock. */ struct bsd_acct_struct { - volatile int active; - volatile int needcheck; + int active; + unsigned long needcheck; struct file *file; struct pid_namespace *ns; - struct timer_list timer; struct list_head list; }; @@ -96,15 +95,6 @@ static DEFINE_SPINLOCK(acct_lock); static LIST_HEAD(acct_list); /* - * Called whenever the timer says to check the free space. - */ -static void acct_timeout(unsigned long x) -{ - struct bsd_acct_struct *acct = (struct bsd_acct_struct *)x; - acct->needcheck = 1; -} - -/* * Check the amount of free space and suspend/resume accordingly. */ static int check_free_space(struct bsd_acct_struct *acct, struct file *file) @@ -112,12 +102,12 @@ static int check_free_space(struct bsd_acct_struct *acct, struct file *file) struct kstatfs sbuf; int res; int act; - sector_t resume; - sector_t suspend; + u64 resume; + u64 suspend; spin_lock(&acct_lock); res = acct->active; - if (!file || !acct->needcheck) + if (!file || time_is_before_jiffies(acct->needcheck)) goto out; spin_unlock(&acct_lock); @@ -127,8 +117,8 @@ static int check_free_space(struct bsd_acct_struct *acct, struct file *file) suspend = sbuf.f_blocks * SUSPEND; resume = sbuf.f_blocks * RESUME; - sector_div(suspend, 100); - sector_div(resume, 100); + do_div(suspend, 100); + do_div(resume, 100); if (sbuf.f_bavail <= suspend) act = -1; @@ -160,10 +150,7 @@ static int check_free_space(struct bsd_acct_struct *acct, struct file *file) } } - del_timer(&acct->timer); - acct->needcheck = 0; - acct->timer.expires = jiffies + ACCT_TIMEOUT*HZ; - add_timer(&acct->timer); + acct->needcheck = jiffies + ACCT_TIMEOUT*HZ; res = acct->active; out: spin_unlock(&acct_lock); @@ -185,9 +172,7 @@ static void acct_file_reopen(struct bsd_acct_struct *acct, struct file *file, if (acct->file) { old_acct = acct->file; old_ns = acct->ns; - del_timer(&acct->timer); acct->active = 0; - acct->needcheck = 0; acct->file = NULL; acct->ns = NULL; list_del(&acct->list); @@ -195,13 +180,9 @@ static void acct_file_reopen(struct bsd_acct_struct *acct, struct file *file, if (file) { acct->file = file; acct->ns = ns; - acct->needcheck = 0; + acct->needcheck = jiffies + ACCT_TIMEOUT*HZ; acct->active = 1; list_add(&acct->list, &acct_list); - /* It's been deleted if it was used before so this is safe */ - setup_timer(&acct->timer, acct_timeout, (unsigned long)acct); - acct->timer.expires = jiffies + ACCT_TIMEOUT*HZ; - add_timer(&acct->timer); } if (old_acct) { mnt_unpin(old_acct->f_path.mnt); @@ -334,7 +315,7 @@ void acct_auto_close(struct super_block *sb) spin_lock(&acct_lock); restart: list_for_each_entry(acct, &acct_list, list) - if (acct->file && acct->file->f_path.mnt->mnt_sb == sb) { + if (acct->file && acct->file->f_path.dentry->d_sb == sb) { acct_file_reopen(acct, NULL, NULL); goto restart; } @@ -348,7 +329,6 @@ void acct_exit_ns(struct pid_namespace *ns) if (acct == NULL) return; - del_timer_sync(&acct->timer); spin_lock(&acct_lock); if (acct->file != NULL) acct_file_reopen(acct, NULL, NULL); @@ -498,7 +478,7 @@ static void do_acct_process(struct bsd_acct_struct *acct, * Fill the accounting struct with the needed info as recorded * by the different kernel functions. */ - memset((caddr_t)&ac, 0, sizeof(acct_t)); + memset(&ac, 0, sizeof(acct_t)); ac.ac_version = ACCT_VERSION | ACCT_BYTEORDER; strlcpy(ac.ac_comm, current->comm, sizeof(ac.ac_comm)); diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 47b7fc1ea893..e7fe2b0d29b3 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -210,12 +210,12 @@ struct audit_context { struct { uid_t uid; gid_t gid; - mode_t mode; + umode_t mode; u32 osid; int has_perm; uid_t perm_uid; gid_t perm_gid; - mode_t perm_mode; + umode_t perm_mode; unsigned long qbytes; } ipc; struct { @@ -234,7 +234,7 @@ struct audit_context { } mq_sendrecv; struct { int oflag; - mode_t mode; + umode_t mode; struct mq_attr attr; } mq_open; struct { @@ -308,7 +308,7 @@ static int audit_match_perm(struct audit_context *ctx, int mask) static int audit_match_filetype(struct audit_context *ctx, int which) { unsigned index = which & ~S_IFMT; - mode_t mode = which & S_IFMT; + umode_t mode = which & S_IFMT; if (unlikely(!ctx)) return 0; @@ -1249,7 +1249,7 @@ static void show_special(struct audit_context *context, int *call_panic) case AUDIT_IPC: { u32 osid = context->ipc.osid; - audit_log_format(ab, "ouid=%u ogid=%u mode=%#o", + audit_log_format(ab, "ouid=%u ogid=%u mode=%#ho", context->ipc.uid, context->ipc.gid, context->ipc.mode); if (osid) { char *ctx = NULL; @@ -1267,7 +1267,7 @@ static void show_special(struct audit_context *context, int *call_panic) ab = audit_log_start(context, GFP_KERNEL, AUDIT_IPC_SET_PERM); audit_log_format(ab, - "qbytes=%lx ouid=%u ogid=%u mode=%#o", + "qbytes=%lx ouid=%u ogid=%u mode=%#ho", context->ipc.qbytes, context->ipc.perm_uid, context->ipc.perm_gid, @@ -1278,7 +1278,7 @@ static void show_special(struct audit_context *context, int *call_panic) break; } case AUDIT_MQ_OPEN: { audit_log_format(ab, - "oflag=0x%x mode=%#o mq_flags=0x%lx mq_maxmsg=%ld " + "oflag=0x%x mode=%#ho mq_flags=0x%lx mq_maxmsg=%ld " "mq_msgsize=%ld mq_curmsgs=%ld", context->mq_open.oflag, context->mq_open.mode, context->mq_open.attr.mq_flags, @@ -1502,7 +1502,7 @@ static void audit_log_exit(struct audit_context *context, struct task_struct *ts if (n->ino != (unsigned long)-1) { audit_log_format(ab, " inode=%lu" - " dev=%02x:%02x mode=%#o" + " dev=%02x:%02x mode=%#ho" " ouid=%u ogid=%u rdev=%02x:%02x", n->ino, MAJOR(n->dev), @@ -2160,7 +2160,7 @@ int audit_set_loginuid(struct task_struct *task, uid_t loginuid) * @attr: queue attributes * */ -void __audit_mq_open(int oflag, mode_t mode, struct mq_attr *attr) +void __audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr) { struct audit_context *context = current->audit_context; @@ -2260,7 +2260,7 @@ void __audit_ipc_obj(struct kern_ipc_perm *ipcp) * * Called only after audit_ipc_obj(). */ -void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode) +void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode) { struct audit_context *context = current->audit_context; diff --git a/kernel/cgroup.c b/kernel/cgroup.c index a184470cf9b5..7cab65f83f1d 100644 --- a/kernel/cgroup.c +++ b/kernel/cgroup.c @@ -760,7 +760,7 @@ EXPORT_SYMBOL_GPL(cgroup_unlock); * -> cgroup_mkdir. */ -static int cgroup_mkdir(struct inode *dir, struct dentry *dentry, int mode); +static int cgroup_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode); static struct dentry *cgroup_lookup(struct inode *, struct dentry *, struct nameidata *); static int cgroup_rmdir(struct inode *unused_dir, struct dentry *dentry); static int cgroup_populate_dir(struct cgroup *cgrp); @@ -775,7 +775,7 @@ static struct backing_dev_info cgroup_backing_dev_info = { static int alloc_css_id(struct cgroup_subsys *ss, struct cgroup *parent, struct cgroup *child); -static struct inode *cgroup_new_inode(mode_t mode, struct super_block *sb) +static struct inode *cgroup_new_inode(umode_t mode, struct super_block *sb) { struct inode *inode = new_inode(sb); @@ -1038,9 +1038,9 @@ static int rebind_subsystems(struct cgroupfs_root *root, return 0; } -static int cgroup_show_options(struct seq_file *seq, struct vfsmount *vfs) +static int cgroup_show_options(struct seq_file *seq, struct dentry *dentry) { - struct cgroupfs_root *root = vfs->mnt_sb->s_fs_info; + struct cgroupfs_root *root = dentry->d_sb->s_fs_info; struct cgroup_subsys *ss; mutex_lock(&cgroup_mutex); @@ -2585,7 +2585,7 @@ static inline struct cftype *__file_cft(struct file *file) return __d_cft(file->f_dentry); } -static int cgroup_create_file(struct dentry *dentry, mode_t mode, +static int cgroup_create_file(struct dentry *dentry, umode_t mode, struct super_block *sb) { struct inode *inode; @@ -2626,7 +2626,7 @@ static int cgroup_create_file(struct dentry *dentry, mode_t mode, * @mode: mode to set on new directory. */ static int cgroup_create_dir(struct cgroup *cgrp, struct dentry *dentry, - mode_t mode) + umode_t mode) { struct dentry *parent; int error = 0; @@ -2653,9 +2653,9 @@ static int cgroup_create_dir(struct cgroup *cgrp, struct dentry *dentry, * returns S_IRUGO if it has only a read handler * returns S_IWUSR if it has only a write hander */ -static mode_t cgroup_file_mode(const struct cftype *cft) +static umode_t cgroup_file_mode(const struct cftype *cft) { - mode_t mode = 0; + umode_t mode = 0; if (cft->mode) return cft->mode; @@ -2678,7 +2678,7 @@ int cgroup_add_file(struct cgroup *cgrp, struct dentry *dir = cgrp->dentry; struct dentry *dentry; int error; - mode_t mode; + umode_t mode; char name[MAX_CGROUP_TYPE_NAMELEN + MAX_CFTYPE_NAME + 2] = { 0 }; if (subsys && !test_bit(ROOT_NOPREFIX, &cgrp->root->flags)) { @@ -3752,7 +3752,7 @@ static void cgroup_unlock_hierarchy(struct cgroupfs_root *root) * Must be called with the mutex on the parent inode held */ static long cgroup_create(struct cgroup *parent, struct dentry *dentry, - mode_t mode) + umode_t mode) { struct cgroup *cgrp; struct cgroupfs_root *root = parent->root; @@ -3846,7 +3846,7 @@ static long cgroup_create(struct cgroup *parent, struct dentry *dentry, return err; } -static int cgroup_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int cgroup_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { struct cgroup *c_parent = dentry->d_parent->d_fsdata; diff --git a/kernel/power/swap.c b/kernel/power/swap.c index 11a594c4ba25..3739ecced085 100644 --- a/kernel/power/swap.c +++ b/kernel/power/swap.c @@ -18,7 +18,6 @@ #include <linux/bitops.h> #include <linux/genhd.h> #include <linux/device.h> -#include <linux/buffer_head.h> #include <linux/bio.h> #include <linux/blkdev.h> #include <linux/swap.h> diff --git a/kernel/relay.c b/kernel/relay.c index 226fade4d727..4335e1d7ee2d 100644 --- a/kernel/relay.c +++ b/kernel/relay.c @@ -302,7 +302,7 @@ static void buf_unmapped_default_callback(struct rchan_buf *buf, */ static struct dentry *create_buf_file_default_callback(const char *filename, struct dentry *parent, - int mode, + umode_t mode, struct rchan_buf *buf, int *is_global) { diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 2a4590fabcad..0ac0f811d623 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -5176,7 +5176,7 @@ static void sd_free_ctl_entry(struct ctl_table **tablep) static void set_table_entry(struct ctl_table *entry, const char *procname, void *data, int maxlen, - mode_t mode, proc_handler *proc_handler) + umode_t mode, proc_handler *proc_handler) { entry->procname = procname; entry->data = data; diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index 16fc34a0806f..cdea7b56b0c9 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -402,7 +402,7 @@ static int blk_remove_buf_file_callback(struct dentry *dentry) static struct dentry *blk_create_buf_file_callback(const char *filename, struct dentry *parent, - int mode, + umode_t mode, struct rchan_buf *buf, int *is_global) { diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index 91dc4bc8bf72..a3f1bc5d2a00 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -4438,7 +4438,7 @@ static const struct file_operations trace_options_core_fops = { }; struct dentry *trace_create_file(const char *name, - mode_t mode, + umode_t mode, struct dentry *parent, void *data, const struct file_operations *fops) diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 2c2657462ac3..b93ecbadad6d 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -312,7 +312,7 @@ void tracing_reset_current(int cpu); void tracing_reset_current_online_cpus(void); int tracing_open_generic(struct inode *inode, struct file *filp); struct dentry *trace_create_file(const char *name, - mode_t mode, + umode_t mode, struct dentry *parent, void *data, const struct file_operations *fops); diff --git a/lib/fault-inject.c b/lib/fault-inject.c index 4f7554025e30..b4801f51b607 100644 --- a/lib/fault-inject.c +++ b/lib/fault-inject.c @@ -149,7 +149,7 @@ static int debugfs_ul_get(void *data, u64 *val) DEFINE_SIMPLE_ATTRIBUTE(fops_ul, debugfs_ul_get, debugfs_ul_set, "%llu\n"); -static struct dentry *debugfs_create_ul(const char *name, mode_t mode, +static struct dentry *debugfs_create_ul(const char *name, umode_t mode, struct dentry *parent, unsigned long *value) { return debugfs_create_file(name, mode, parent, value, &fops_ul); @@ -169,7 +169,7 @@ DEFINE_SIMPLE_ATTRIBUTE(fops_stacktrace_depth, debugfs_ul_get, debugfs_stacktrace_depth_set, "%llu\n"); static struct dentry *debugfs_create_stacktrace_depth( - const char *name, mode_t mode, + const char *name, umode_t mode, struct dentry *parent, unsigned long *value) { return debugfs_create_file(name, mode, parent, value, @@ -193,7 +193,7 @@ static int debugfs_atomic_t_get(void *data, u64 *val) DEFINE_SIMPLE_ATTRIBUTE(fops_atomic_t, debugfs_atomic_t_get, debugfs_atomic_t_set, "%lld\n"); -static struct dentry *debugfs_create_atomic_t(const char *name, mode_t mode, +static struct dentry *debugfs_create_atomic_t(const char *name, umode_t mode, struct dentry *parent, atomic_t *value) { return debugfs_create_file(name, mode, parent, value, &fops_atomic_t); @@ -202,7 +202,7 @@ static struct dentry *debugfs_create_atomic_t(const char *name, mode_t mode, struct dentry *fault_create_debugfs_attr(const char *name, struct dentry *parent, struct fault_attr *attr) { - mode_t mode = S_IFREG | S_IRUSR | S_IWUSR; + umode_t mode = S_IFREG | S_IRUSR | S_IWUSR; struct dentry *dir; dir = debugfs_create_dir(name, parent); diff --git a/mm/failslab.c b/mm/failslab.c index 0dd7b8fec71c..fefaabaab76d 100644 --- a/mm/failslab.c +++ b/mm/failslab.c @@ -35,7 +35,7 @@ __setup("failslab=", setup_failslab); static int __init failslab_debugfs_init(void) { struct dentry *dir; - mode_t mode = S_IFREG | S_IRUSR | S_IWUSR; + umode_t mode = S_IFREG | S_IRUSR | S_IWUSR; dir = fault_create_debugfs_attr("failslab", NULL, &failslab.attr); if (IS_ERR(dir)) diff --git a/mm/filemap.c b/mm/filemap.c index 5f0a3c91fdac..a0701e6eec10 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1968,7 +1968,7 @@ EXPORT_SYMBOL(read_cache_page); */ int should_remove_suid(struct dentry *dentry) { - mode_t mode = dentry->d_inode->i_mode; + umode_t mode = dentry->d_inode->i_mode; int kill = 0; /* suid always must be killed */ diff --git a/mm/page-writeback.c b/mm/page-writeback.c index 50f08241f981..8616ef3025a4 100644 --- a/mm/page-writeback.c +++ b/mm/page-writeback.c @@ -32,7 +32,7 @@ #include <linux/sysctl.h> #include <linux/cpu.h> #include <linux/syscalls.h> -#include <linux/buffer_head.h> +#include <linux/buffer_head.h> /* __set_page_dirty_buffers */ #include <linux/pagevec.h> #include <trace/events/writeback.h> diff --git a/mm/page_alloc.c b/mm/page_alloc.c index bdc804c2d99c..f24bc1c40080 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -1386,7 +1386,7 @@ static int should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) static int __init fail_page_alloc_debugfs(void) { - mode_t mode = S_IFREG | S_IRUSR | S_IWUSR; + umode_t mode = S_IFREG | S_IRUSR | S_IWUSR; struct dentry *dir; dir = fault_create_debugfs_attr("fail_page_alloc", NULL, diff --git a/mm/shmem.c b/mm/shmem.c index d6722506d2da..feead1943d92 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -1092,7 +1092,7 @@ static int shmem_mmap(struct file *file, struct vm_area_struct *vma) } static struct inode *shmem_get_inode(struct super_block *sb, const struct inode *dir, - int mode, dev_t dev, unsigned long flags) + umode_t mode, dev_t dev, unsigned long flags) { struct inode *inode; struct shmem_inode_info *info; @@ -1456,7 +1456,7 @@ static int shmem_statfs(struct dentry *dentry, struct kstatfs *buf) * File creation. Allocate an inode, and we're done.. */ static int -shmem_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) +shmem_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) { struct inode *inode; int error = -ENOSPC; @@ -1489,7 +1489,7 @@ shmem_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) return error; } -static int shmem_mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int shmem_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { int error; @@ -1499,7 +1499,7 @@ static int shmem_mkdir(struct inode *dir, struct dentry *dentry, int mode) return 0; } -static int shmem_create(struct inode *dir, struct dentry *dentry, int mode, +static int shmem_create(struct inode *dir, struct dentry *dentry, umode_t mode, struct nameidata *nd) { return shmem_mknod(dir, dentry, mode | S_IFREG, 0); @@ -2118,9 +2118,9 @@ out: return error; } -static int shmem_show_options(struct seq_file *seq, struct vfsmount *vfs) +static int shmem_show_options(struct seq_file *seq, struct dentry *root) { - struct shmem_sb_info *sbinfo = SHMEM_SB(vfs->mnt_sb); + struct shmem_sb_info *sbinfo = SHMEM_SB(root->d_sb); if (sbinfo->max_blocks != shmem_default_max_blocks()) seq_printf(seq, ",size=%luk", @@ -2128,7 +2128,7 @@ static int shmem_show_options(struct seq_file *seq, struct vfsmount *vfs) if (sbinfo->max_inodes != shmem_default_max_inodes()) seq_printf(seq, ",nr_inodes=%lu", sbinfo->max_inodes); if (sbinfo->mode != (S_IRWXUGO | S_ISVTX)) - seq_printf(seq, ",mode=%03o", sbinfo->mode); + seq_printf(seq, ",mode=%03ho", sbinfo->mode); if (sbinfo->uid != 0) seq_printf(seq, ",uid=%u", sbinfo->uid); if (sbinfo->gid != 0) @@ -2234,13 +2234,12 @@ static struct inode *shmem_alloc_inode(struct super_block *sb) static void shmem_destroy_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(shmem_inode_cachep, SHMEM_I(inode)); } static void shmem_destroy_inode(struct inode *inode) { - if ((inode->i_mode & S_IFMT) == S_IFREG) + if (S_ISREG(inode->i_mode)) mpol_free_shared_policy(&SHMEM_I(inode)->policy); call_rcu(&inode->i_rcu, shmem_destroy_callback); } diff --git a/mm/swap_state.c b/mm/swap_state.c index 78cc4d1f6cce..ea6b32d61873 100644 --- a/mm/swap_state.c +++ b/mm/swap_state.c @@ -13,7 +13,6 @@ #include <linux/swapops.h> #include <linux/init.h> #include <linux/pagemap.h> -#include <linux/buffer_head.h> #include <linux/backing-dev.h> #include <linux/pagevec.h> #include <linux/migrate.h> diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c index 72ad836e4fe0..03b56bc3b659 100644 --- a/net/sunrpc/cache.c +++ b/net/sunrpc/cache.c @@ -1778,7 +1778,7 @@ const struct file_operations cache_flush_operations_pipefs = { }; int sunrpc_cache_register_pipefs(struct dentry *parent, - const char *name, mode_t umode, + const char *name, umode_t umode, struct cache_detail *cd) { struct qstr q; diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c index bfddd68b31d3..63a7a7add21e 100644 --- a/net/sunrpc/rpc_pipe.c +++ b/net/sunrpc/rpc_pipe.c @@ -185,7 +185,6 @@ static void rpc_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); - INIT_LIST_HEAD(&inode->i_dentry); kmem_cache_free(rpc_inode_cachep, RPC_I(inode)); } @@ -954,7 +953,7 @@ static void rpc_cachedir_depopulate(struct dentry *dentry) } struct dentry *rpc_create_cache_dir(struct dentry *parent, struct qstr *name, - mode_t umode, struct cache_detail *cd) + umode_t umode, struct cache_detail *cd) { return rpc_mkdir_populate(parent, name, umode, NULL, rpc_cachedir_populate, cd); diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index 7cc3d7b23d1c..aad8fb699989 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -850,7 +850,7 @@ static int unix_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) atomic_set(&addr->refcnt, 1); if (sun_path[0]) { - unsigned int mode; + umode_t mode; err = 0; /* * Get the parent directory, calculate the hash for last diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c index 69ddb47787b2..e39df6d43779 100644 --- a/security/apparmor/apparmorfs.c +++ b/security/apparmor/apparmorfs.c @@ -165,7 +165,7 @@ static void __init aafs_remove(const char *name) * * Used aafs_remove to remove entries created with this fn. */ -static int __init aafs_create(const char *name, int mask, +static int __init aafs_create(const char *name, umode_t mask, const struct file_operations *fops) { struct dentry *dentry; diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c index 37832026e58a..2c0a0ff41399 100644 --- a/security/apparmor/lsm.c +++ b/security/apparmor/lsm.c @@ -262,7 +262,7 @@ static int apparmor_path_unlink(struct path *dir, struct dentry *dentry) } static int apparmor_path_mkdir(struct path *dir, struct dentry *dentry, - int mode) + umode_t mode) { return common_perm_create(OP_MKDIR, dir, dentry, AA_MAY_CREATE, S_IFDIR); @@ -274,7 +274,7 @@ static int apparmor_path_rmdir(struct path *dir, struct dentry *dentry) } static int apparmor_path_mknod(struct path *dir, struct dentry *dentry, - int mode, unsigned int dev) + umode_t mode, unsigned int dev) { return common_perm_create(OP_MKNOD, dir, dentry, AA_MAY_CREATE, mode); } @@ -344,13 +344,12 @@ static int apparmor_path_rename(struct path *old_dir, struct dentry *old_dentry, return error; } -static int apparmor_path_chmod(struct dentry *dentry, struct vfsmount *mnt, - mode_t mode) +static int apparmor_path_chmod(struct path *path, umode_t mode) { - if (!mediated_filesystem(dentry->d_inode)) + if (!mediated_filesystem(path->dentry->d_inode)) return 0; - return common_perm_mnt_dentry(OP_CHMOD, mnt, dentry, AA_MAY_CHMOD); + return common_perm_mnt_dentry(OP_CHMOD, path->mnt, path->dentry, AA_MAY_CHMOD); } static int apparmor_path_chown(struct path *path, uid_t uid, gid_t gid) diff --git a/security/apparmor/path.c b/security/apparmor/path.c index b566eba4a65c..9d070a7c3ffc 100644 --- a/security/apparmor/path.c +++ b/security/apparmor/path.c @@ -13,7 +13,6 @@ */ #include <linux/magic.h> -#include <linux/mnt_namespace.h> #include <linux/mount.h> #include <linux/namei.h> #include <linux/nsproxy.h> diff --git a/security/capability.c b/security/capability.c index 2984ea4f776f..3b5883b7179f 100644 --- a/security/capability.c +++ b/security/capability.c @@ -125,7 +125,7 @@ static int cap_inode_init_security(struct inode *inode, struct inode *dir, } static int cap_inode_create(struct inode *inode, struct dentry *dentry, - int mask) + umode_t mask) { return 0; } @@ -148,7 +148,7 @@ static int cap_inode_symlink(struct inode *inode, struct dentry *dentry, } static int cap_inode_mkdir(struct inode *inode, struct dentry *dentry, - int mask) + umode_t mask) { return 0; } @@ -159,7 +159,7 @@ static int cap_inode_rmdir(struct inode *inode, struct dentry *dentry) } static int cap_inode_mknod(struct inode *inode, struct dentry *dentry, - int mode, dev_t dev) + umode_t mode, dev_t dev) { return 0; } @@ -235,13 +235,13 @@ static void cap_inode_getsecid(const struct inode *inode, u32 *secid) } #ifdef CONFIG_SECURITY_PATH -static int cap_path_mknod(struct path *dir, struct dentry *dentry, int mode, +static int cap_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode, unsigned int dev) { return 0; } -static int cap_path_mkdir(struct path *dir, struct dentry *dentry, int mode) +static int cap_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode) { return 0; } @@ -279,8 +279,7 @@ static int cap_path_truncate(struct path *path) return 0; } -static int cap_path_chmod(struct dentry *dentry, struct vfsmount *mnt, - mode_t mode) +static int cap_path_chmod(struct path *path, umode_t mode) { return 0; } diff --git a/security/inode.c b/security/inode.c index c4df2fbebe6b..90a70a67d835 100644 --- a/security/inode.c +++ b/security/inode.c @@ -56,7 +56,7 @@ static const struct file_operations default_file_ops = { .llseek = noop_llseek, }; -static struct inode *get_inode(struct super_block *sb, int mode, dev_t dev) +static struct inode *get_inode(struct super_block *sb, umode_t mode, dev_t dev) { struct inode *inode = new_inode(sb); @@ -85,7 +85,7 @@ static struct inode *get_inode(struct super_block *sb, int mode, dev_t dev) /* SMP-safe */ static int mknod(struct inode *dir, struct dentry *dentry, - int mode, dev_t dev) + umode_t mode, dev_t dev) { struct inode *inode; int error = -ENOMEM; @@ -102,7 +102,7 @@ static int mknod(struct inode *dir, struct dentry *dentry, return error; } -static int mkdir(struct inode *dir, struct dentry *dentry, int mode) +static int mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { int res; @@ -113,7 +113,7 @@ static int mkdir(struct inode *dir, struct dentry *dentry, int mode) return res; } -static int create(struct inode *dir, struct dentry *dentry, int mode) +static int create(struct inode *dir, struct dentry *dentry, umode_t mode) { mode = (mode & S_IALLUGO) | S_IFREG; return mknod(dir, dentry, mode, 0); @@ -145,7 +145,7 @@ static struct file_system_type fs_type = { .kill_sb = kill_litter_super, }; -static int create_by_name(const char *name, mode_t mode, +static int create_by_name(const char *name, umode_t mode, struct dentry *parent, struct dentry **dentry) { @@ -159,12 +159,12 @@ static int create_by_name(const char *name, mode_t mode, * have around. */ if (!parent) - parent = mount->mnt_sb->s_root; + parent = mount->mnt_root; mutex_lock(&parent->d_inode->i_mutex); *dentry = lookup_one_len(name, parent, strlen(name)); if (!IS_ERR(*dentry)) { - if ((mode & S_IFMT) == S_IFDIR) + if (S_ISDIR(mode)) error = mkdir(parent->d_inode, *dentry, mode); else error = create(parent->d_inode, *dentry, mode); @@ -205,7 +205,7 @@ static int create_by_name(const char *name, mode_t mode, * If securityfs is not enabled in the kernel, the value %-ENODEV is * returned. */ -struct dentry *securityfs_create_file(const char *name, mode_t mode, +struct dentry *securityfs_create_file(const char *name, umode_t mode, struct dentry *parent, void *data, const struct file_operations *fops) { diff --git a/security/security.c b/security/security.c index e2f684aeb70c..214502c772ab 100644 --- a/security/security.c +++ b/security/security.c @@ -388,7 +388,7 @@ int security_old_inode_init_security(struct inode *inode, struct inode *dir, EXPORT_SYMBOL(security_old_inode_init_security); #ifdef CONFIG_SECURITY_PATH -int security_path_mknod(struct path *dir, struct dentry *dentry, int mode, +int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode, unsigned int dev) { if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) @@ -397,7 +397,7 @@ int security_path_mknod(struct path *dir, struct dentry *dentry, int mode, } EXPORT_SYMBOL(security_path_mknod); -int security_path_mkdir(struct path *dir, struct dentry *dentry, int mode) +int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode) { if (unlikely(IS_PRIVATE(dir->dentry->d_inode))) return 0; @@ -454,12 +454,11 @@ int security_path_truncate(struct path *path) return security_ops->path_truncate(path); } -int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt, - mode_t mode) +int security_path_chmod(struct path *path, umode_t mode) { - if (unlikely(IS_PRIVATE(dentry->d_inode))) + if (unlikely(IS_PRIVATE(path->dentry->d_inode))) return 0; - return security_ops->path_chmod(dentry, mnt, mode); + return security_ops->path_chmod(path, mode); } int security_path_chown(struct path *path, uid_t uid, gid_t gid) @@ -475,7 +474,7 @@ int security_path_chroot(struct path *path) } #endif -int security_inode_create(struct inode *dir, struct dentry *dentry, int mode) +int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) { if (unlikely(IS_PRIVATE(dir))) return 0; @@ -506,7 +505,7 @@ int security_inode_symlink(struct inode *dir, struct dentry *dentry, return security_ops->inode_symlink(dir, dentry, old_name); } -int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode) +int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) { if (unlikely(IS_PRIVATE(dir))) return 0; @@ -521,7 +520,7 @@ int security_inode_rmdir(struct inode *dir, struct dentry *dentry) return security_ops->inode_rmdir(dir, dentry); } -int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) +int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) { if (unlikely(IS_PRIVATE(dir))) return 0; diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 86305c2f555a..7cd4c3affac8 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -1740,7 +1740,7 @@ static inline u32 file_mask_to_av(int mode, int mask) { u32 av = 0; - if ((mode & S_IFMT) != S_IFDIR) { + if (!S_ISDIR(mode)) { if (mask & MAY_EXEC) av |= FILE__EXECUTE; if (mask & MAY_READ) @@ -2507,7 +2507,7 @@ static int selinux_mount(char *dev_name, const struct cred *cred = current_cred(); if (flags & MS_REMOUNT) - return superblock_has_perm(cred, path->mnt->mnt_sb, + return superblock_has_perm(cred, path->dentry->d_sb, FILESYSTEM__REMOUNT, NULL); else return path_has_perm(cred, path, FILE__MOUNTON); @@ -2598,7 +2598,7 @@ static int selinux_inode_init_security(struct inode *inode, struct inode *dir, return 0; } -static int selinux_inode_create(struct inode *dir, struct dentry *dentry, int mask) +static int selinux_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode) { return may_create(dir, dentry, SECCLASS_FILE); } @@ -2618,7 +2618,7 @@ static int selinux_inode_symlink(struct inode *dir, struct dentry *dentry, const return may_create(dir, dentry, SECCLASS_LNK_FILE); } -static int selinux_inode_mkdir(struct inode *dir, struct dentry *dentry, int mask) +static int selinux_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mask) { return may_create(dir, dentry, SECCLASS_DIR); } @@ -2628,7 +2628,7 @@ static int selinux_inode_rmdir(struct inode *dir, struct dentry *dentry) return may_link(dir, dentry, MAY_RMDIR); } -static int selinux_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev) +static int selinux_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) { return may_create(dir, dentry, inode_mode_to_security_class(mode)); } diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c index 7db62b48eb42..e8af5b0ba80f 100644 --- a/security/smack/smack_lsm.c +++ b/security/smack/smack_lsm.c @@ -406,7 +406,7 @@ static int smack_sb_statfs(struct dentry *dentry) static int smack_sb_mount(char *dev_name, struct path *path, char *type, unsigned long flags, void *data) { - struct superblock_smack *sbp = path->mnt->mnt_sb->s_security; + struct superblock_smack *sbp = path->dentry->d_sb->s_security; struct smk_audit_info ad; smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH); @@ -435,7 +435,7 @@ static int smack_sb_umount(struct vfsmount *mnt, int flags) smk_ad_init(&ad, __func__, LSM_AUDIT_DATA_PATH); smk_ad_setfield_u_fs_path(&ad, path); - sbp = mnt->mnt_sb->s_security; + sbp = path.dentry->d_sb->s_security; return smk_curacc(sbp->smk_floor, MAY_WRITE, &ad); } diff --git a/security/tomoyo/audit.c b/security/tomoyo/audit.c index 075c3a6d1649..5ca47ea3049f 100644 --- a/security/tomoyo/audit.c +++ b/security/tomoyo/audit.c @@ -112,7 +112,7 @@ out: * * Returns file type string. */ -static inline const char *tomoyo_filetype(const mode_t mode) +static inline const char *tomoyo_filetype(const umode_t mode) { switch (mode & S_IFMT) { case S_IFREG: @@ -180,7 +180,7 @@ static char *tomoyo_print_header(struct tomoyo_request_info *r) for (i = 0; i < TOMOYO_MAX_PATH_STAT; i++) { struct tomoyo_mini_stat *stat; unsigned int dev; - mode_t mode; + umode_t mode; if (!obj->stat_valid[i]) continue; stat = &obj->stat[i]; diff --git a/security/tomoyo/common.h b/security/tomoyo/common.h index ed311d7a8ce0..deeab7be5b97 100644 --- a/security/tomoyo/common.h +++ b/security/tomoyo/common.h @@ -564,7 +564,7 @@ struct tomoyo_mini_stat { uid_t uid; gid_t gid; ino_t ino; - mode_t mode; + umode_t mode; dev_t dev; dev_t rdev; }; diff --git a/security/tomoyo/realpath.c b/security/tomoyo/realpath.c index d9f3ced8756e..80a09c37cac8 100644 --- a/security/tomoyo/realpath.c +++ b/security/tomoyo/realpath.c @@ -4,15 +4,8 @@ * Copyright (C) 2005-2011 NTT DATA CORPORATION */ -#include <linux/types.h> -#include <linux/mount.h> -#include <linux/mnt_namespace.h> -#include <linux/fs_struct.h> -#include <linux/magic.h> -#include <linux/slab.h> -#include <net/sock.h> #include "common.h" -#include "../../fs/internal.h" +#include <linux/magic.h> /** * tomoyo_encode2 - Encode binary string to ascii string. diff --git a/security/tomoyo/securityfs_if.c b/security/tomoyo/securityfs_if.c index 2672ac4f3beb..482b2a5f48f0 100644 --- a/security/tomoyo/securityfs_if.c +++ b/security/tomoyo/securityfs_if.c @@ -224,7 +224,7 @@ static const struct file_operations tomoyo_operations = { * * Returns nothing. */ -static void __init tomoyo_create_entry(const char *name, const mode_t mode, +static void __init tomoyo_create_entry(const char *name, const umode_t mode, struct dentry *parent, const u8 key) { securityfs_create_file(name, mode, parent, ((u8 *) NULL) + key, diff --git a/security/tomoyo/tomoyo.c b/security/tomoyo/tomoyo.c index 4b327b691745..620d37c159a3 100644 --- a/security/tomoyo/tomoyo.c +++ b/security/tomoyo/tomoyo.c @@ -186,7 +186,7 @@ static int tomoyo_path_unlink(struct path *parent, struct dentry *dentry) * Returns 0 on success, negative value otherwise. */ static int tomoyo_path_mkdir(struct path *parent, struct dentry *dentry, - int mode) + umode_t mode) { struct path path = { parent->mnt, dentry }; return tomoyo_path_number_perm(TOMOYO_TYPE_MKDIR, &path, @@ -234,7 +234,7 @@ static int tomoyo_path_symlink(struct path *parent, struct dentry *dentry, * Returns 0 on success, negative value otherwise. */ static int tomoyo_path_mknod(struct path *parent, struct dentry *dentry, - int mode, unsigned int dev) + umode_t mode, unsigned int dev) { struct path path = { parent->mnt, dentry }; int type = TOMOYO_TYPE_CREATE; @@ -353,17 +353,14 @@ static int tomoyo_file_ioctl(struct file *file, unsigned int cmd, /** * tomoyo_path_chmod - Target for security_path_chmod(). * - * @dentry: Pointer to "struct dentry". - * @mnt: Pointer to "struct vfsmount". - * @mode: DAC permission mode. + * @path: Pointer to "struct path". + * @mode: DAC permission mode. * * Returns 0 on success, negative value otherwise. */ -static int tomoyo_path_chmod(struct dentry *dentry, struct vfsmount *mnt, - mode_t mode) +static int tomoyo_path_chmod(struct path *path, umode_t mode) { - struct path path = { mnt, dentry }; - return tomoyo_path_number_perm(TOMOYO_TYPE_CHMOD, &path, + return tomoyo_path_number_perm(TOMOYO_TYPE_CHMOD, path, mode & S_IALLUGO); } diff --git a/sound/sound_core.c b/sound/sound_core.c index 6ce277860fd7..c6e81fb928e9 100644 --- a/sound/sound_core.c +++ b/sound/sound_core.c @@ -29,7 +29,7 @@ MODULE_DESCRIPTION("Core sound module"); MODULE_AUTHOR("Alan Cox"); MODULE_LICENSE("GPL"); -static char *sound_devnode(struct device *dev, mode_t *mode) +static char *sound_devnode(struct device *dev, umode_t *mode) { if (MAJOR(dev->devt) == SOUND_MAJOR) return NULL; |