diff options
| -rw-r--r-- | fs/namespace.c | 2 | ||||
| -rw-r--r-- | fs/ramfs/inode.c | 32 | ||||
| -rw-r--r-- | include/linux/init.h | 1 | ||||
| -rw-r--r-- | include/linux/ramfs.h | 2 | ||||
| -rw-r--r-- | init/do_mounts.c | 32 |
5 files changed, 36 insertions, 33 deletions
diff --git a/fs/namespace.c b/fs/namespace.c index 25845d1b300b..da5c49483430 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -17,7 +17,7 @@ #include <linux/security.h> #include <linux/idr.h> #include <linux/acct.h> /* acct_auto_close_mnt */ -#include <linux/ramfs.h> /* init_rootfs */ +#include <linux/init.h> /* init_rootfs */ #include <linux/fs_struct.h> /* get_fs_root et.al. */ #include <linux/fsnotify.h> /* fsnotify_vfsmount_delete */ #include <linux/uaccess.h> diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c index fb99863598be..39d14659a8d3 100644 --- a/fs/ramfs/inode.c +++ b/fs/ramfs/inode.c @@ -244,17 +244,6 @@ struct dentry *ramfs_mount(struct file_system_type *fs_type, return mount_nodev(fs_type, flags, data, ramfs_fill_super); } -static struct dentry *rootfs_mount(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) -{ - static unsigned long once; - - if (test_and_set_bit(0, &once)) - return ERR_PTR(-ENODEV); - - return mount_nodev(fs_type, flags, data, ramfs_fill_super); -} - static void ramfs_kill_sb(struct super_block *sb) { kfree(sb->s_fs_info); @@ -267,13 +256,8 @@ static struct file_system_type ramfs_fs_type = { .kill_sb = ramfs_kill_sb, .fs_flags = FS_USERNS_MOUNT, }; -static struct file_system_type rootfs_fs_type = { - .name = "rootfs", - .mount = rootfs_mount, - .kill_sb = kill_litter_super, -}; -static int __init init_ramfs_fs(void) +int __init init_ramfs_fs(void) { static unsigned long once; int err; @@ -292,17 +276,3 @@ static int __init init_ramfs_fs(void) return err; } module_init(init_ramfs_fs) - -int __init init_rootfs(void) -{ - int err = register_filesystem(&rootfs_fs_type); - - if (err) - return err; - - err = init_ramfs_fs(); - if (err) - unregister_filesystem(&rootfs_fs_type); - - return err; -} diff --git a/include/linux/init.h b/include/linux/init.h index e73f2b708525..f1c27a71d03c 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -153,6 +153,7 @@ extern unsigned int reset_devices; void setup_arch(char **); void prepare_namespace(void); void __init load_default_modules(void); +int __init init_rootfs(void); extern void (*late_time_init)(void); diff --git a/include/linux/ramfs.h b/include/linux/ramfs.h index 69e37c2d1ea5..753207c8ce20 100644 --- a/include/linux/ramfs.h +++ b/include/linux/ramfs.h @@ -25,7 +25,7 @@ extern int ramfs_nommu_mmap(struct file *file, struct vm_area_struct *vma); extern const struct file_operations ramfs_file_operations; extern const struct vm_operations_struct generic_file_vm_ops; -extern int __init init_rootfs(void); +extern int __init init_ramfs_fs(void); int ramfs_fill_super(struct super_block *sb, void *data, int silent); diff --git a/init/do_mounts.c b/init/do_mounts.c index 816014c4627e..5d8d48fd0ee4 100644 --- a/init/do_mounts.c +++ b/init/do_mounts.c @@ -26,6 +26,7 @@ #include <linux/async.h> #include <linux/fs_struct.h> #include <linux/slab.h> +#include <linux/ramfs.h> #include <linux/nfs_fs.h> #include <linux/nfs_fs_sb.h> @@ -588,3 +589,34 @@ out: sys_mount(".", "/", NULL, MS_MOVE, NULL); sys_chroot("."); } + +static struct dentry *rootfs_mount(struct file_system_type *fs_type, + int flags, const char *dev_name, void *data) +{ + static unsigned long once; + + if (test_and_set_bit(0, &once)) + return ERR_PTR(-ENODEV); + + return mount_nodev(fs_type, flags, data, ramfs_fill_super); +} + +static struct file_system_type rootfs_fs_type = { + .name = "rootfs", + .mount = rootfs_mount, + .kill_sb = kill_litter_super, +}; + +int __init init_rootfs(void) +{ + int err = register_filesystem(&rootfs_fs_type); + + if (err) + return err; + + err = init_ramfs_fs(); + if (err) + unregister_filesystem(&rootfs_fs_type); + + return err; +} |