summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorAl Viro <viro@zeniv.linux.org.uk>2016-05-02 19:45:47 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2016-05-02 19:45:47 -0400
commit84695ffee7987ee1e581be4c4696e47e1a29403b (patch)
tree78ca09a96ecd6a6b5f4fae744c381968635af68d
parentbf16200689118d19de1b8d2a3c314fc21f5dc7bb (diff)
parentce23e640133484eebc20ca7b7668388213e11327 (diff)
downloadlinux-84695ffee7987ee1e581be4c4696e47e1a29403b.tar.gz
linux-84695ffee7987ee1e581be4c4696e47e1a29403b.tar.bz2
linux-84695ffee7987ee1e581be4c4696e47e1a29403b.zip
Merge getxattr prototype change into work.lookups
The rest of work.xattr stuff isn't needed for this branch
-rw-r--r--Documentation/filesystems/porting6
-rw-r--r--drivers/staging/lustre/lustre/llite/llite_internal.h4
-rw-r--r--drivers/staging/lustre/lustre/llite/xattr.c6
-rw-r--r--fs/9p/acl.c8
-rw-r--r--fs/9p/vfs_inode.c2
-rw-r--r--fs/9p/xattr.c4
-rw-r--r--fs/bad_inode.c4
-rw-r--r--fs/btrfs/acl.c3
-rw-r--r--fs/btrfs/tree-log.c6
-rw-r--r--fs/btrfs/xattr.c6
-rw-r--r--fs/ceph/acl.c2
-rw-r--r--fs/ceph/super.h2
-rw-r--r--fs/ceph/xattr.c8
-rw-r--r--fs/cifs/cifs_dfs_ref.c2
-rw-r--r--fs/cifs/cifsfs.h2
-rw-r--r--fs/cifs/inode.c3
-rw-r--r--fs/cifs/readdir.c2
-rw-r--r--fs/cifs/xattr.c56
-rw-r--r--fs/ecryptfs/crypto.c5
-rw-r--r--fs/ecryptfs/ecryptfs_kernel.h4
-rw-r--r--fs/ecryptfs/inode.c23
-rw-r--r--fs/ecryptfs/mmap.c3
-rw-r--r--fs/efs/namei.c2
-rw-r--r--fs/exofs/super.c2
-rw-r--r--fs/ext2/acl.c3
-rw-r--r--fs/ext2/namei.c2
-rw-r--r--fs/ext2/xattr_security.c6
-rw-r--r--fs/ext2/xattr_trusted.c6
-rw-r--r--fs/ext2/xattr_user.c8
-rw-r--r--fs/ext4/acl.c3
-rw-r--r--fs/ext4/namei.c4
-rw-r--r--fs/ext4/xattr_security.c6
-rw-r--r--fs/ext4/xattr_trusted.c6
-rw-r--r--fs/ext4/xattr_user.c8
-rw-r--r--fs/f2fs/acl.c3
-rw-r--r--fs/f2fs/namei.c2
-rw-r--r--fs/f2fs/xattr.c14
-rw-r--r--fs/fuse/dir.c5
-rw-r--r--fs/gfs2/inode.c9
-rw-r--r--fs/gfs2/ops_fstype.c2
-rw-r--r--fs/gfs2/super.c2
-rw-r--r--fs/gfs2/xattr.c6
-rw-r--r--fs/hfs/attr.c5
-rw-r--r--fs/hfs/hfs_fs.h4
-rw-r--r--fs/hfsplus/posix_acl.c3
-rw-r--r--fs/hfsplus/xattr.c10
-rw-r--r--fs/hfsplus/xattr.h2
-rw-r--r--fs/hfsplus/xattr_security.c6
-rw-r--r--fs/hfsplus/xattr_trusted.c6
-rw-r--r--fs/hfsplus/xattr_user.c6
-rw-r--r--fs/inode.c4
-rw-r--r--fs/jffs2/acl.c2
-rw-r--r--fs/jffs2/dir.c2
-rw-r--r--fs/jffs2/security.c6
-rw-r--r--fs/jffs2/super.c2
-rw-r--r--fs/jffs2/xattr_trusted.c6
-rw-r--r--fs/jffs2/xattr_user.c6
-rw-r--r--fs/jfs/acl.c6
-rw-r--r--fs/jfs/jfs_xattr.h2
-rw-r--r--fs/jfs/namei.c2
-rw-r--r--fs/jfs/xattr.c8
-rw-r--r--fs/kernfs/inode.c6
-rw-r--r--fs/kernfs/kernfs-internal.h4
-rw-r--r--fs/libfs.c4
-rw-r--r--fs/namei.c6
-rw-r--r--fs/nfs/direct.c2
-rw-r--r--fs/nfs/nfs3acl.c43
-rw-r--r--fs/nfs/nfs4proc.c12
-rw-r--r--fs/nfsd/nfs3proc.c4
-rw-r--r--fs/nfsd/nfs3xdr.c2
-rw-r--r--fs/nfsd/nfsfh.c2
-rw-r--r--fs/nilfs2/namei.c2
-rw-r--r--fs/ocfs2/dlmglue.c3
-rw-r--r--fs/ocfs2/file.c2
-rw-r--r--fs/ocfs2/xattr.c20
-rw-r--r--fs/orangefs/xattr.c10
-rw-r--r--fs/overlayfs/inode.c4
-rw-r--r--fs/overlayfs/overlayfs.h4
-rw-r--r--fs/overlayfs/super.c2
-rw-r--r--fs/posix_acl.c116
-rw-r--r--fs/reiserfs/file.c6
-rw-r--r--fs/reiserfs/namei.c18
-rw-r--r--fs/reiserfs/xattr.c54
-rw-r--r--fs/reiserfs/xattr.h9
-rw-r--r--fs/reiserfs/xattr_acl.c8
-rw-r--r--fs/reiserfs/xattr_security.c19
-rw-r--r--fs/reiserfs/xattr_trusted.c19
-rw-r--r--fs/reiserfs/xattr_user.c19
-rw-r--r--fs/squashfs/xattr.c6
-rw-r--r--fs/ubifs/ubifs.h4
-rw-r--r--fs/ubifs/xattr.c6
-rw-r--r--fs/udf/namei.c2
-rw-r--r--fs/ufs/super.c2
-rw-r--r--fs/xattr.c12
-rw-r--r--fs/xfs/xfs_acl.c20
-rw-r--r--fs/xfs/xfs_xattr.c6
-rw-r--r--include/linux/fs.h15
-rw-r--r--include/linux/posix_acl.h1
-rw-r--r--include/linux/xattr.h5
-rw-r--r--include/trace/events/ext4.h6
-rw-r--r--kernel/audit_watch.c2
-rw-r--r--mm/shmem.c6
-rw-r--r--net/socket.c2
-rw-r--r--security/commoncap.c6
-rw-r--r--security/integrity/evm/evm_main.c6
-rw-r--r--security/selinux/hooks.c11
-rw-r--r--security/smack/smack_lsm.c6
107 files changed, 414 insertions, 458 deletions
diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting
index f1b87d8aa2da..57bb3754a027 100644
--- a/Documentation/filesystems/porting
+++ b/Documentation/filesystems/porting
@@ -525,3 +525,9 @@ in your dentry operations instead.
set_delayed_call() where it used to set *cookie.
->put_link() is gone - just give the destructor to set_delayed_call()
in ->get_link().
+--
+[mandatory]
+ ->getxattr() and xattr_handler.get() get dentry and inode passed separately.
+ dentry might be yet to be attached to inode, so do _not_ use its ->d_inode
+ in the instances. Rationale: !@#!@# security_d_instantiate() needs to be
+ called before we attach dentry to inode.
diff --git a/drivers/staging/lustre/lustre/llite/llite_internal.h b/drivers/staging/lustre/lustre/llite/llite_internal.h
index e3c0f1dd4d31..65a6acec663b 100644
--- a/drivers/staging/lustre/lustre/llite/llite_internal.h
+++ b/drivers/staging/lustre/lustre/llite/llite_internal.h
@@ -1042,8 +1042,8 @@ static inline __u64 ll_file_maxbytes(struct inode *inode)
/* llite/xattr.c */
int ll_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags);
-ssize_t ll_getxattr(struct dentry *dentry, const char *name,
- void *buffer, size_t size);
+ssize_t ll_getxattr(struct dentry *dentry, struct inode *inode,
+ const char *name, void *buffer, size_t size);
ssize_t ll_listxattr(struct dentry *dentry, char *buffer, size_t size);
int ll_removexattr(struct dentry *dentry, const char *name);
diff --git a/drivers/staging/lustre/lustre/llite/xattr.c b/drivers/staging/lustre/lustre/llite/xattr.c
index b68dcc921ca2..c671f221c28c 100644
--- a/drivers/staging/lustre/lustre/llite/xattr.c
+++ b/drivers/staging/lustre/lustre/llite/xattr.c
@@ -451,11 +451,9 @@ out:
return rc;
}
-ssize_t ll_getxattr(struct dentry *dentry, const char *name,
- void *buffer, size_t size)
+ssize_t ll_getxattr(struct dentry *dentry, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
- struct inode *inode = d_inode(dentry);
-
LASSERT(inode);
LASSERT(name);
diff --git a/fs/9p/acl.c b/fs/9p/acl.c
index 9da967f38387..eb3589edf485 100644
--- a/fs/9p/acl.c
+++ b/fs/9p/acl.c
@@ -93,7 +93,7 @@ static struct posix_acl *v9fs_get_cached_acl(struct inode *inode, int type)
* instantiating the inode (v9fs_inode_from_fid)
*/
acl = get_cached_acl(inode, type);
- BUG_ON(acl == ACL_NOT_CACHED);
+ BUG_ON(is_uncached_acl(acl));
return acl;
}
@@ -213,8 +213,8 @@ int v9fs_acl_mode(struct inode *dir, umode_t *modep,
}
static int v9fs_xattr_get_acl(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name,
- void *buffer, size_t size)
+ struct dentry *dentry, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
struct v9fs_session_info *v9ses;
struct posix_acl *acl;
@@ -227,7 +227,7 @@ static int v9fs_xattr_get_acl(const struct xattr_handler *handler,
if ((v9ses->flags & V9FS_ACCESS_MASK) != V9FS_ACCESS_CLIENT)
return v9fs_xattr_get(dentry, handler->name, buffer, size);
- acl = v9fs_get_cached_acl(d_inode(dentry), handler->flags);
+ acl = v9fs_get_cached_acl(inode, handler->flags);
if (IS_ERR(acl))
return PTR_ERR(acl);
if (acl == NULL)
diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index 3a08b3e6ff1d..f4645c515262 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -1071,7 +1071,7 @@ v9fs_vfs_getattr(struct vfsmount *mnt, struct dentry *dentry,
if (IS_ERR(st))
return PTR_ERR(st);
- v9fs_stat2inode(st, d_inode(dentry), d_inode(dentry)->i_sb);
+ v9fs_stat2inode(st, d_inode(dentry), dentry->d_sb);
generic_fillattr(d_inode(dentry), stat);
p9stat_free(st);
diff --git a/fs/9p/xattr.c b/fs/9p/xattr.c
index 9dd9b47a6c1a..18c62bae9591 100644
--- a/fs/9p/xattr.c
+++ b/fs/9p/xattr.c
@@ -138,8 +138,8 @@ ssize_t v9fs_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size)
}
static int v9fs_xattr_handler_get(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name,
- void *buffer, size_t size)
+ struct dentry *dentry, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
const char *full_name = xattr_full_name(handler, name);
diff --git a/fs/bad_inode.c b/fs/bad_inode.c
index 103f5d7c3083..72e35b721608 100644
--- a/fs/bad_inode.c
+++ b/fs/bad_inode.c
@@ -106,8 +106,8 @@ static int bad_inode_setxattr(struct dentry *dentry, const char *name,
return -EIO;
}
-static ssize_t bad_inode_getxattr(struct dentry *dentry, const char *name,
- void *buffer, size_t size)
+static ssize_t bad_inode_getxattr(struct dentry *dentry, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
return -EIO;
}
diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c
index 6d263bb1621c..67a607709d4f 100644
--- a/fs/btrfs/acl.c
+++ b/fs/btrfs/acl.c
@@ -63,9 +63,6 @@ struct posix_acl *btrfs_get_acl(struct inode *inode, int type)
}
kfree(value);
- if (!IS_ERR(acl))
- set_cached_acl(inode, type, acl);
-
return acl;
}
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 517d0ccb351e..e692eea87af6 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -4988,7 +4988,7 @@ static noinline int check_parent_dirs_for_sync(struct btrfs_trans_handle *trans,
goto out;
if (!S_ISDIR(inode->i_mode)) {
- if (!parent || d_really_is_negative(parent) || sb != d_inode(parent)->i_sb)
+ if (!parent || d_really_is_negative(parent) || sb != parent->d_sb)
goto out;
inode = d_inode(parent);
}
@@ -5009,7 +5009,7 @@ static noinline int check_parent_dirs_for_sync(struct btrfs_trans_handle *trans,
break;
}
- if (!parent || d_really_is_negative(parent) || sb != d_inode(parent)->i_sb)
+ if (!parent || d_really_is_negative(parent) || sb != parent->d_sb)
break;
if (IS_ROOT(parent))
@@ -5422,7 +5422,7 @@ static int btrfs_log_inode_parent(struct btrfs_trans_handle *trans,
}
while (1) {
- if (!parent || d_really_is_negative(parent) || sb != d_inode(parent)->i_sb)
+ if (!parent || d_really_is_negative(parent) || sb != parent->d_sb)
break;
inode = d_inode(parent);
diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c
index 145d2b89e62d..03224b00ea70 100644
--- a/fs/btrfs/xattr.c
+++ b/fs/btrfs/xattr.c
@@ -369,11 +369,9 @@ err:
}
static int btrfs_xattr_handler_get(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name,
- void *buffer, size_t size)
+ struct dentry *unused, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
- struct inode *inode = d_inode(dentry);
-
name = xattr_full_name(handler, name);
return __btrfs_getxattr(inode, name, buffer, size);
}
diff --git a/fs/ceph/acl.c b/fs/ceph/acl.c
index f19708487e2f..5457f216e2e5 100644
--- a/fs/ceph/acl.c
+++ b/fs/ceph/acl.c
@@ -37,6 +37,8 @@ static inline void ceph_set_cached_acl(struct inode *inode,
spin_lock(&ci->i_ceph_lock);
if (__ceph_caps_issued_mask(ci, CEPH_CAP_XATTR_SHARED, 0))
set_cached_acl(inode, type, acl);
+ else
+ forget_cached_acl(inode, type);
spin_unlock(&ci->i_ceph_lock);
}
diff --git a/fs/ceph/super.h b/fs/ceph/super.h
index e705c4d612d7..beb893bb234f 100644
--- a/fs/ceph/super.h
+++ b/fs/ceph/super.h
@@ -795,7 +795,7 @@ extern int ceph_setxattr(struct dentry *, const char *, const void *,
int __ceph_setxattr(struct dentry *, const char *, const void *, size_t, int);
ssize_t __ceph_getxattr(struct inode *, const char *, void *, size_t);
int __ceph_removexattr(struct dentry *, const char *);
-extern ssize_t ceph_getxattr(struct dentry *, const char *, void *, size_t);
+extern ssize_t ceph_getxattr(struct dentry *, struct inode *, const char *, void *, size_t);
extern ssize_t ceph_listxattr(struct dentry *, char *, size_t);
extern int ceph_removexattr(struct dentry *, const char *);
extern void __ceph_build_xattrs_blob(struct ceph_inode_info *ci);
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index 9410abdef3ce..c6e917d360f7 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -804,13 +804,13 @@ out:
return err;
}
-ssize_t ceph_getxattr(struct dentry *dentry, const char *name, void *value,
- size_t size)
+ssize_t ceph_getxattr(struct dentry *dentry, struct inode *inode,
+ const char *name, void *value, size_t size)
{
if (!strncmp(name, XATTR_SYSTEM_PREFIX, XATTR_SYSTEM_PREFIX_LEN))
- return generic_getxattr(dentry, name, value, size);
+ return generic_getxattr(dentry, inode, name, value, size);
- return __ceph_getxattr(d_inode(dentry), name, value, size);
+ return __ceph_getxattr(inode, name, value, size);
}
ssize_t ceph_listxattr(struct dentry *dentry, char *names, size_t size)
diff --git a/fs/cifs/cifs_dfs_ref.c b/fs/cifs/cifs_dfs_ref.c
index e956cba94338..94f2c8a9ae6d 100644
--- a/fs/cifs/cifs_dfs_ref.c
+++ b/fs/cifs/cifs_dfs_ref.c
@@ -302,7 +302,7 @@ static struct vfsmount *cifs_dfs_do_automount(struct dentry *mntpt)
if (full_path == NULL)
goto cdda_exit;
- cifs_sb = CIFS_SB(d_inode(mntpt)->i_sb);
+ cifs_sb = CIFS_SB(mntpt->d_sb);
tlink = cifs_sb_tlink(cifs_sb);
if (IS_ERR(tlink)) {
mnt = ERR_CAST(tlink);
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index 83aac8ba50b0..c89ecd7a5c39 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -123,7 +123,7 @@ extern int cifs_symlink(struct inode *inode, struct dentry *direntry,
extern int cifs_removexattr(struct dentry *, const char *);
extern int cifs_setxattr(struct dentry *, const char *, const void *,
size_t, int);
-extern ssize_t cifs_getxattr(struct dentry *, const char *, void *, size_t);
+extern ssize_t cifs_getxattr(struct dentry *, struct inode *, const char *, void *, size_t);
extern ssize_t cifs_listxattr(struct dentry *, char *, size_t);
extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg);
#ifdef CONFIG_CIFS_NFSD_EXPORT
diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index 5f9ad5c42180..514dadb0575d 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -2418,8 +2418,7 @@ cifs_setattr_exit:
int
cifs_setattr(struct dentry *direntry, struct iattr *attrs)
{
- struct inode *inode = d_inode(direntry);
- struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
+ struct cifs_sb_info *cifs_sb = CIFS_SB(direntry->d_sb);
struct cifs_tcon *pTcon = cifs_sb_master_tcon(cifs_sb);
if (pTcon->unix_ext)
diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
index b30a4a6d98a0..4cfb4d9f88e2 100644
--- a/fs/cifs/readdir.c
+++ b/fs/cifs/readdir.c
@@ -78,7 +78,7 @@ cifs_prime_dcache(struct dentry *parent, struct qstr *name,
{
struct dentry *dentry, *alias;
struct inode *inode;
- struct super_block *sb = d_inode(parent)->i_sb;
+ struct super_block *sb = parent->d_sb;
struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
cifs_dbg(FYI, "%s: for %s\n", __func__, name->name);
diff --git a/fs/cifs/xattr.c b/fs/cifs/xattr.c
index f5dc2f0df4ad..5d57c85703a9 100644
--- a/fs/cifs/xattr.c
+++ b/fs/cifs/xattr.c
@@ -42,21 +42,11 @@ int cifs_removexattr(struct dentry *direntry, const char *ea_name)
int rc = -EOPNOTSUPP;
#ifdef CONFIG_CIFS_XATTR
unsigned int xid;
- struct cifs_sb_info *cifs_sb;
+ struct cifs_sb_info *cifs_sb = CIFS_SB(direntry->d_sb);
struct tcon_link *tlink;
struct cifs_tcon *pTcon;
- struct super_block *sb;
char *full_path = NULL;
- if (direntry == NULL)
- return -EIO;
- if (d_really_is_negative(direntry))
- return -EIO;
- sb = d_inode(direntry)->i_sb;
- if (sb == NULL)
- return -EIO;
-
- cifs_sb = CIFS_SB(sb);
tlink = cifs_sb_tlink(cifs_sb);
if (IS_ERR(tlink))
return PTR_ERR(tlink);
@@ -103,21 +93,12 @@ int cifs_setxattr(struct dentry *direntry, const char *ea_name,
int rc = -EOPNOTSUPP;
#ifdef CONFIG_CIFS_XATTR
unsigned int xid;
- struct cifs_sb_info *cifs_sb;
+ struct super_block *sb = direntry->d_sb;
+ struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
struct tcon_link *tlink;
struct cifs_tcon *pTcon;
- struct super_block *sb;
char *full_path;
- if (direntry == NULL)
- return -EIO;
- if (d_really_is_negative(direntry))
- return -EIO;
- sb = d_inode(direntry)->i_sb;
- if (sb == NULL)
- return -EIO;
-
- cifs_sb = CIFS_SB(sb);
tlink = cifs_sb_tlink(cifs_sb);
if (IS_ERR(tlink))
return PTR_ERR(tlink);
@@ -232,27 +213,18 @@ set_ea_exit:
return rc;
}
-ssize_t cifs_getxattr(struct dentry *direntry, const char *ea_name,
- void *ea_value, size_t buf_size)
+ssize_t cifs_getxattr(struct dentry *direntry, struct inode *inode,
+ const char *ea_name, void *ea_value, size_t buf_size)
{
ssize_t rc = -EOPNOTSUPP;
#ifdef CONFIG_CIFS_XATTR
unsigned int xid;
- struct cifs_sb_info *cifs_sb;
+ struct super_block *sb = direntry->d_sb;
+ struct cifs_sb_info *cifs_sb = CIFS_SB(sb);
struct tcon_link *tlink;
struct cifs_tcon *pTcon;
- struct super_block *sb;
char *full_path;
- if (direntry == NULL)
- return -EIO;
- if (d_really_is_negative(direntry))
- return -EIO;
- sb = d_inode(direntry)->i_sb;
- if (sb == NULL)
- return -EIO;
-
- cifs_sb = CIFS_SB(sb);
tlink = cifs_sb_tlink(cifs_sb);
if (IS_ERR(tlink))
return PTR_ERR(tlink);
@@ -324,7 +296,7 @@ ssize_t cifs_getxattr(struct dentry *direntry, const char *ea_name,
goto get_ea_exit; /* rc already EOPNOTSUPP */
pacl = pTcon->ses->server->ops->get_acl(cifs_sb,
- d_inode(direntry), full_path, &acllen);
+ inode, full_path, &acllen);
if (IS_ERR(pacl)) {
rc = PTR_ERR(pacl);
cifs_dbg(VFS, "%s: error %zd getting sec desc\n",
@@ -374,21 +346,11 @@ ssize_t cifs_listxattr(struct dentry *direntry, char *data, size_t buf_size)
ssize_t rc = -EOPNOTSUPP;
#ifdef CONFIG_CIFS_XATTR
unsigned int xid;
- struct cifs_sb_info *cifs_sb;
+ struct cifs_sb_info *cifs_sb = CIFS_SB(direntry->d_sb);
struct tcon_link *tlink;
struct cifs_tcon *pTcon;
- struct super_block *sb;
char *full_path;
- if (direntry == NULL)
- return -EIO;
- if (d_really_is_negative(direntry))
- return -EIO;
- sb = d_inode(direntry)->i_sb;
- if (sb == NULL)
- return -EIO;
-
- cifs_sb = CIFS_SB(sb);
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_XATTR)
return -EOPNOTSUPP;
diff --git a/fs/ecryptfs/crypto.c b/fs/ecryptfs/crypto.c
index d09cb4cdd09f..8710093aae5e 100644
--- a/fs/ecryptfs/crypto.c
+++ b/fs/ecryptfs/crypto.c
@@ -1369,7 +1369,9 @@ int ecryptfs_read_xattr_region(char *page_virt, struct inode *ecryptfs_inode)
ssize_t size;
int rc = 0;
- size = ecryptfs_getxattr_lower(lower_dentry, ECRYPTFS_XATTR_NAME,
+ size = ecryptfs_getxattr_lower(lower_dentry,
+ ecryptfs_inode_to_lower(ecryptfs_inode),
+ ECRYPTFS_XATTR_NAME,
page_virt, ECRYPTFS_DEFAULT_EXTENT_SIZE);
if (size < 0) {
if (unlikely(ecryptfs_verbosity > 0))
@@ -1391,6 +1393,7 @@ int ecryptfs_read_and_validate_xattr_region(struct dentry *dentry,
int rc;
rc = ecryptfs_getxattr_lower(ecryptfs_dentry_to_lower(dentry),
+ ecryptfs_inode_to_lower(inode),
ECRYPTFS_XATTR_NAME, file_size,
ECRYPTFS_SIZE_AND_MARKER_BYTES);
if (rc < ECRYPTFS_SIZE_AND_MARKER_BYTES)
diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h
index d123fbaa28e0..6ff907f73331 100644
--- a/fs/ecryptfs/ecryptfs_kernel.h
+++ b/fs/ecryptfs/ecryptfs_kernel.h
@@ -607,8 +607,8 @@ ecryptfs_parse_packet_set(struct ecryptfs_crypt_stat *crypt_stat,
unsigned char *src, struct dentry *ecryptfs_dentry);
int ecryptfs_truncate(struct dentry *dentry, loff_t new_length);
ssize_t
-ecryptfs_getxattr_lower(struct dentry *lower_dentry, const char *name,
- void *value, size_t size);
+ecryptfs_getxattr_lower(struct dentry *lower_dentry, struct inode *lower_inode,
+ const char *name, void *value, size_t size);
int
ecryptfs_setxattr(struct dentry *dentry, const char *name, const void *value,
size_t size, int flags);
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 224b49e71aa4..9323c536b2f2 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -1033,29 +1033,30 @@ out:
}
ssize_t
-ecryptfs_getxattr_lower(struct dentry *lower_dentry, const char *name,
- void *value, size_t size)
+ecryptfs_getxattr_lower(struct dentry *lower_dentry, struct inode *lower_inode,
+ const char *name, void *value, size_t size)
{
int rc = 0;
- if (!d_inode(lower_dentry)->i_op->getxattr) {
+ if (!lower_inode->i_op->getxattr) {
rc = -EOPNOTSUPP;
goto out;
}
- inode_lock(d_inode(lower_dentry));
- rc = d_inode(lower_dentry)->i_op->getxattr(lower_dentry, name, value,
- size);
- inode_unlock(d_inode(lower_dentry));
+ inode_lock(lower_inode);
+ rc = lower_inode->i_op->getxattr(lower_dentry, lower_inode,
+ name, value, size);
+ inode_unlock(lower_inode);
out:
return rc;
}
static ssize_t
-ecryptfs_getxattr(struct dentry *dentry, const char *name, void *value,
- size_t size)
+ecryptfs_getxattr(struct dentry *dentry, struct inode *inode,
+ const char *name, void *value, size_t size)
{
- return ecryptfs_getxattr_lower(ecryptfs_dentry_to_lower(dentry), name,
- value, size);
+ return ecryptfs_getxattr_lower(ecryptfs_dentry_to_lower(dentry),
+ ecryptfs_inode_to_lower(inode),
+ name, value, size);
}
static ssize_t
diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c
index e6b1d80952b9..148d11b514fb 100644
--- a/fs/ecryptfs/mmap.c
+++ b/fs/ecryptfs/mmap.c
@@ -436,7 +436,8 @@ static int ecryptfs_write_inode_size_to_xattr(struct inode *ecryptfs_inode)
goto out;
}
inode_lock(lower_inode);
- size = lower_inode->i_op->getxattr(lower_dentry, ECRYPTFS_XATTR_NAME,
+ size = lower_inode->i_op->getxattr(lower_dentry, lower_inode,
+ ECRYPTFS_XATTR_NAME,
xattr_virt, PAGE_SIZE);
if (size < 0)
size = 8;
diff --git a/fs/efs/namei.c b/fs/efs/namei.c
index 40ba9cc41bf7..d34a40edcdb2 100644
--- a/fs/efs/namei.c
+++ b/fs/efs/namei.c
@@ -113,7 +113,7 @@ struct dentry *efs_get_parent(struct dentry *child)
ino = efs_find_entry(d_inode(child), "..", 2);
if (ino)
- parent = d_obtain_alias(efs_iget(d_inode(child)->i_sb, ino));
+ parent = d_obtain_alias(efs_iget(child->d_sb, ino));
return parent;
}
diff --git a/fs/exofs/super.c b/fs/exofs/super.c
index 6658a50530a0..192373653dfb 100644
--- a/fs/exofs/super.c
+++ b/fs/exofs/super.c
@@ -958,7 +958,7 @@ static struct dentry *exofs_get_parent(struct dentry *child)
if (!ino)
return ERR_PTR(-ESTALE);
- return d_obtain_alias(exofs_iget(d_inode(child)->i_sb, ino));
+ return d_obtain_alias(exofs_iget(child->d_sb, ino));
}
static struct inode *exofs_nfs_get_inode(struct super_block *sb,
diff --git a/fs/ext2/acl.c b/fs/ext2/acl.c
index 27695e6f4e46..42f1d1814083 100644
--- a/fs/ext2/acl.c
+++ b/fs/ext2/acl.c
@@ -172,9 +172,6 @@ ext2_get_acl(struct inode *inode, int type)
acl = ERR_PTR(retval);
kfree(value);
- if (!IS_ERR(acl))
- set_cached_acl(inode, type, acl);
-
return acl;
}
diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c
index d34843925b23..d446203127fc 100644
--- a/fs/ext2/namei.c
+++ b/fs/ext2/namei.c
@@ -82,7 +82,7 @@ struct dentry *ext2_get_parent(struct dentry *child)
unsigned long ino = ext2_inode_by_name(d_inode(child), &dotdot);
if (!ino)
return ERR_PTR(-ENOENT);
- return d_obtain_alias(ext2_iget(d_inode(child)->i_sb, ino));
+ return d_obtain_alias(ext2_iget(child->d_sb, ino));
}
/*
diff --git a/fs/ext2/xattr_security.c b/fs/ext2/xattr_security.c
index ba97f243b050..7fd3b867ce65 100644
--- a/fs/ext2/xattr_security.c
+++ b/fs/ext2/xattr_security.c
@@ -9,10 +9,10 @@
static int
ext2_xattr_security_get(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name,
- void *buffer, size_t size)
+ struct dentry *unused, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
- return ext2_xattr_get(d_inode(dentry), EXT2_XATTR_INDEX_SECURITY, name,
+ return ext2_xattr_get(inode, EXT2_XATTR_INDEX_SECURITY, name,
buffer, size);
}
diff --git a/fs/ext2/xattr_trusted.c b/fs/ext2/xattr_trusted.c
index 2c94d1930626..0f85705ff519 100644
--- a/fs/ext2/xattr_trusted.c
+++ b/fs/ext2/xattr_trusted.c
@@ -16,10 +16,10 @@ ext2_xattr_trusted_list(struct dentry *dentry)
static int
ext2_xattr_trusted_get(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name,
- void *buffer, size_t size)
+ struct dentry *unused, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
- return ext2_xattr_get(d_inode(dentry), EXT2_XATTR_INDEX_TRUSTED, name,
+ return ext2_xattr_get(inode, EXT2_XATTR_INDEX_TRUSTED, name,
buffer, size);
}
diff --git a/fs/ext2/xattr_user.c b/fs/ext2/xattr_user.c
index 72a2a96d677f..1fafd27037cc 100644
--- a/fs/ext2/xattr_user.c
+++ b/fs/ext2/xattr_user.c
@@ -18,12 +18,12 @@ ext2_xattr_user_list(struct dentry *dentry)
static int
ext2_xattr_user_get(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name,
- void *buffer, size_t size)
+ struct dentry *unused, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
- if (!test_opt(dentry->d_sb, XATTR_USER))
+ if (!test_opt(inode->i_sb, XATTR_USER))
return -EOPNOTSUPP;
- return ext2_xattr_get(d_inode(dentry), EXT2_XATTR_INDEX_USER,
+ return ext2_xattr_get(inode, EXT2_XATTR_INDEX_USER,
name, buffer, size);
}
diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c
index 69b1e73026a5..c6601a476c02 100644
--- a/fs/ext4/acl.c
+++ b/fs/ext4/acl.c
@@ -172,9 +172,6 @@ ext4_get_acl(struct inode *inode, int type)
acl = ERR_PTR(retval);
kfree(value);
- if (!IS_ERR(acl))
- set_cached_acl(inode, type, acl);
-
return acl;
}
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index 48e4b8907826..5611ec9348d7 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -1638,13 +1638,13 @@ struct dentry *ext4_get_parent(struct dentry *child)
ino = le32_to_cpu(de->inode);
brelse(bh);
- if (!ext4_valid_inum(d_inode(child)->i_sb, ino)) {
+ if (!ext4_valid_inum(child->d_sb, ino)) {
EXT4_ERROR_INODE(d_inode(child),
"bad parent inode number: %u", ino);
return ERR_PTR(-EFSCORRUPTED);
}
- return d_obtain_alias(ext4_iget_normal(d_inode(child)->i_sb, ino));
+ return d_obtain_alias(ext4_iget_normal(child->d_sb, ino));
}
/*
diff --git a/fs/ext4/xattr_security.c b/fs/ext4/xattr_security.c
index 3e81bdca071a..123a7d010efe 100644
--- a/fs/ext4/xattr_security.c
+++ b/fs/ext4/xattr_security.c
@@ -13,10 +13,10 @@
static int
ext4_xattr_security_get(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name,
- void *buffer, size_t size)
+ struct dentry *unused, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
- return ext4_xattr_get(d_inode(dentry), EXT4_XATTR_INDEX_SECURITY,
+ return ext4_xattr_get(inode, EXT4_XATTR_INDEX_SECURITY,
name, buffer, size);
}
diff --git a/fs/ext4/xattr_trusted.c b/fs/ext4/xattr_trusted.c
index 2a3c6f9b8cb8..60652fa24cbc 100644
--- a/fs/ext4/xattr_trusted.c
+++ b/fs/ext4/xattr_trusted.c
@@ -20,10 +20,10 @@ ext4_xattr_trusted_list(struct dentry *dentry)
static int
ext4_xattr_trusted_get(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name, void *buffer,
- size_t size)
+ struct dentry *unused, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
- return ext4_xattr_get(d_inode(dentry), EXT4_XATTR_INDEX_TRUSTED,
+ return ext4_xattr_get(inode, EXT4_XATTR_INDEX_TRUSTED,
name, buffer, size);
}
diff --git a/fs/ext4/xattr_user.c b/fs/ext4/xattr_user.c
index d152f431e432..17a446ffecd3 100644
--- a/fs/ext4/xattr_user.c
+++ b/fs/ext4/xattr_user.c
@@ -19,12 +19,12 @@ ext4_xattr_user_list(struct dentry *dentry)
static int
ext4_xattr_user_get(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name,
- void *buffer, size_t size)
+ struct dentry *unused, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
- if (!test_opt(dentry->d_sb, XATTR_USER))
+ if (!test_opt(inode->i_sb, XATTR_USER))
return -EOPNOTSUPP;
- return ext4_xattr_get(d_inode(dentry), EXT4_XATTR_INDEX_USER,
+ return ext4_xattr_get(inode, EXT4_XATTR_INDEX_USER,
name, buffer, size);
}
diff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c
index c8f25f7241f0..6f1fdda977b3 100644
--- a/fs/f2fs/acl.c
+++ b/fs/f2fs/acl.c
@@ -190,9 +190,6 @@ static struct posix_acl *__f2fs_get_acl(struct inode *inode, int type,
acl = ERR_PTR(retval);
kfree(value);
- if (!IS_ERR(acl))
- set_cached_acl(inode, type, acl);
-
return acl;
}
diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c
index 013e57932d61..324ed3812f30 100644
--- a/fs/f2fs/namei.c
+++ b/fs/f2fs/namei.c
@@ -202,7 +202,7 @@ struct dentry *f2fs_get_parent(struct dentry *child)
unsigned long ino = f2fs_inode_by_name(d_inode(child), &dotdot);
if (!ino)
return ERR_PTR(-ENOENT);
- return d_obtain_alias(f2fs_iget(d_inode(child)->i_sb, ino));
+ return d_obtain_alias(f2fs_iget(child->d_sb, ino));
}
static int __recover_dot_dentries(struct inode *dir, nid_t pino)
diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c
index 06a72dc0191a..17fd2b1a6848 100644
--- a/fs/f2fs/xattr.c
+++ b/fs/f2fs/xattr.c
@@ -26,10 +26,10 @@
#include "xattr.h"
static int f2fs_xattr_generic_get(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name, void *buffer,
- size_t size)
+ struct dentry *unused, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
- struct f2fs_sb_info *sbi = F2FS_SB(dentry->d_sb);
+ struct f2fs_sb_info *sbi = F2FS_SB(inode->i_sb);
switch (handler->flags) {
case F2FS_XATTR_INDEX_USER:
@@ -45,7 +45,7 @@ static int f2fs_xattr_generic_get(const struct xattr_handler *handler,
default:
return -EINVAL;
}
- return f2fs_getxattr(d_inode(dentry), handler->flags, name,
+ return f2fs_getxattr(inode, handler->flags, name,
buffer, size, NULL);
}
@@ -86,11 +86,9 @@ static bool f2fs_xattr_trusted_list(struct dentry *dentry)
}
static int f2fs_xattr_advise_get(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name, void *buffer,
- size_t size)
+ struct dentry *unused, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
- struct inode *inode = d_inode(dentry);
-
if (buffer)
*((char *)buffer) = F2FS_I(inode)->i_advise;
return sizeof(char);
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 4b855b65d457..b618527c05c6 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1759,10 +1759,9 @@ static int fuse_setxattr(struct dentry *entry, const char *name,
return err;
}
-static ssize_t fuse_getxattr(struct dentry *entry, const char *name,
- void *value, size_t size)
+static ssize_t fuse_getxattr(struct dentry *entry, struct inode *inode,
+ const char *name, void *value, size_t size)
{
- struct inode *inode = d_inode(entry);
struct fuse_conn *fc = get_fuse_conn(inode);
FUSE_ARGS(args);
struct fuse_getxattr_in inarg;
diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c
index bb30f9a72c65..45f516cada78 100644
--- a/fs/gfs2/inode.c
+++ b/fs/gfs2/inode.c
@@ -1968,22 +1968,21 @@ static int gfs2_setxattr(struct dentry *dentry, const char *name,
return ret;
}
-static ssize_t gfs2_getxattr(struct dentry *dentry, const char *name,
- void *data, size_t size)
+static ssize_t gfs2_getxattr(struct dentry *dentry, struct inode *inode,
+ const char *name, void *data, size_t size)
{
- struct inode *inode = d_inode(dentry);
struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_holder gh;
int ret;
/* For selinux during lookup */
if (gfs2_glock_is_locked_by_me(ip->i_gl))
- return generic_getxattr(dentry, name, data, size);
+ return generic_getxattr(dentry, inode, name, data, size);
gfs2_holder_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &gh);
ret = gfs2_glock_nq(&gh);
if (ret == 0) {
- ret = generic_getxattr(dentry, name, data, size);
+ ret = generic_getxattr(dentry, inode, name, data, size);
gfs2_glock_dq(&gh);
}
gfs2_holder_uninit(&gh);
diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
index 49b0bff18fe3..c09c63dcd7a2 100644
--- a/fs/gfs2/ops_fstype.c
+++ b/fs/gfs2/ops_fstype.c
@@ -1360,7 +1360,7 @@ static struct dentry *gfs2_mount_meta(struct file_system_type *fs_type,
return ERR_PTR(error);
}
s = sget(&gfs2_fs_type, test_gfs2_super, set_meta_super, flags,
- d_inode(path.dentry)->i_sb->s_bdev);
+ path.dentry->d_sb->s_bdev);
path_put(&path);
if (IS_ERR(s)) {
pr_warn("gfs2 mount does not exist\n");
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index f8a0cd821290..9b2ff353e45f 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -1176,7 +1176,7 @@ static int gfs2_statfs_i(struct gfs2_sbd *sdp, struct gfs2_statfs_change_host *s
static int gfs2_statfs(struct dentry *dentry, struct kstatfs *buf)
{
- struct super_block *sb = d_inode(dentry)->i_sb;
+ struct super_block *sb = dentry->d_sb;
struct gfs2_sbd *sdp = sb->s_fs_info;
struct gfs2_statfs_change_host sc;
int error;
diff --git a/fs/gfs2/xattr.c b/fs/gfs2/xattr.c
index e8dfb4740c04..619886ba6e78 100644
--- a/fs/gfs2/xattr.c
+++ b/fs/gfs2/xattr.c
@@ -584,10 +584,10 @@ out:
* Returns: actual size of data on success, -errno on error
*/
static int gfs2_xattr_get(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name,
- void *buffer, size_t size)
+ struct dentry *unused, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
- struct gfs2_inode *ip = GFS2_I(d_inode(dentry));
+ struct gfs2_inode *ip = GFS2_I(inode);
struct gfs2_ea_location el;
int type = handler->flags;
int error;
diff --git a/fs/hfs/attr.c b/fs/hfs/attr.c
index 8d931b157bbe..064f92f17efc 100644
--- a/fs/hfs/attr.c
+++ b/fs/hfs/attr.c
@@ -56,10 +56,9 @@ out:
return res;
}
-ssize_t hfs_getxattr(struct dentry *dentry, const char *name,
- void *value, size_t size)
+ssize_t hfs_getxattr(struct dentry *unused, struct inode *inode,
+ const char *name, void *value, size_t size)
{
- struct inode *inode = d_inode(dentry);
struct hfs_find_data fd;
hfs_cat_rec rec;
struct hfs_cat_file *file;
diff --git a/fs/hfs/hfs_fs.h b/fs/hfs/hfs_fs.h
index 1f1c7dcbcc2f..79daa097929a 100644
--- a/fs/hfs/hfs_fs.h
+++ b/fs/hfs/hfs_fs.h
@@ -213,8 +213,8 @@ extern void hfs_delete_inode(struct inode *);
/* attr.c */
extern int hfs_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags);
-extern ssize_t hfs_getxattr(struct dentry *dentry, const char *name,
- void *value, size_t size);
+extern ssize_t hfs_getxattr(struct dentry *dentry, struct inode *inode,
+ const char *name, void *value, size_t size);
extern ssize_t hfs_listxattr(struct dentry *dentry, char *buffer, size_t size);
/* mdb.c */
diff --git a/fs/hfsplus/posix_acl.c b/fs/hfsplus/posix_acl.c
index afb33eda6d7d..ab7ea2506b4d 100644
--- a/fs/hfsplus/posix_acl.c
+++ b/fs/hfsplus/posix_acl.c
@@ -48,9 +48,6 @@ struct posix_acl *hfsplus_get_posix_acl(struct inode *inode, int type)
hfsplus_destroy_attr_entry((hfsplus_attr_entry *)value);
- if (!IS_ERR(acl))
- set_cached_acl(inode, type, acl);
-
return acl;
}
diff --git a/fs/hfsplus/xattr.c b/fs/hfsplus/xattr.c
index 70e445ff0cff..4f118d282a7a 100644
--- a/fs/hfsplus/xattr.c
+++ b/fs/hfsplus/xattr.c
@@ -579,7 +579,7 @@ failed_getxattr_init:
return res;
}
-ssize_t hfsplus_getxattr(struct dentry *dentry, const char *name,
+ssize_t hfsplus_getxattr(struct inode *inode, const char *name,
void *value, size_t size,
const char *prefix, size_t prefixlen)
{
@@ -594,7 +594,7 @@ ssize_t hfsplus_getxattr(struct dentry *dentry, const char *name,
strcpy(xattr_name, prefix);
strcpy(xattr_name + prefixlen, name);
- res = __hfsplus_getxattr(d_inode(dentry), xattr_name, value, size);
+ res = __hfsplus_getxattr(inode, xattr_name, value, size);
kfree(xattr_name);
return res;
@@ -844,8 +844,8 @@ end_removexattr:
}
static int hfsplus_osx_getxattr(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name,
- void *buffer, size_t size)
+ struct dentry *unused, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
/*
* Don't allow retrieving properly prefixed attributes
@@ -860,7 +860,7 @@ static int hfsplus_osx_getxattr(const struct xattr_handler *handler,
* creates), so we pass the name through unmodified (after
* ensuring it doesn't conflict with another namespace).
*/
- return __hfsplus_getxattr(d_inode(dentry), name, buffer, size);
+ return __hfsplus_getxattr(inode, name, buffer, size);
}
static int hfsplus_osx_setxattr(const struct xattr_handler *handler,
diff --git a/fs/hfsplus/xattr.h b/fs/hfsplus/xattr.h
index f9b0955b3d28..d04ba6f58df2 100644
--- a/fs/hfsplus/xattr.h
+++ b/fs/hfsplus/xattr.h
@@ -28,7 +28,7 @@ int hfsplus_setxattr(struct dentry *dentry, const char *name,
ssize_t __hfsplus_getxattr(struct inode *inode, const char *name,
void *value, size_t size);
-ssize_t hfsplus_getxattr(struct dentry *dentry, const char *name,
+ssize_t hfsplus_getxattr(struct inode *inode, const char *name,
void *value, size_t size,
const char *prefix, size_t prefixlen);
diff --git a/fs/hfsplus/xattr_security.c b/fs/hfsplus/xattr_security.c
index 72a68a3a0c99..ae2ca8c2e335 100644
--- a/fs/hfsplus/xattr_security.c
+++ b/fs/hfsplus/xattr_security.c
@@ -14,10 +14,10 @@
#include "acl.h"
static int hfsplus_security_getxattr(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name,
- void *buffer, size_t size)
+ struct dentry *unused, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
- return hfsplus_getxattr(dentry, name, buffer, size,
+ return hfsplus_getxattr(inode, name, buffer, size,
XATTR_SECURITY_PREFIX,
XATTR_SECURITY_PREFIX_LEN);
}
diff --git a/fs/hfsplus/xattr_trusted.c b/fs/hfsplus/xattr_trusted.c
index 95a7704c7abb..eae2947060aa 100644
--- a/fs/hfsplus/xattr_trusted.c
+++ b/fs/hfsplus/xattr_trusted.c
@@ -12,10 +12,10 @@
#include "xattr.h"
static int hfsplus_trusted_getxattr(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name,
- void *buffer, size_t size)
+ struct dentry *unused, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
- return hfsplus_getxattr(dentry, name, buffer, size,
+ return hfsplus_getxattr(inode, name, buffer, size,
XATTR_TRUSTED_PREFIX,
XATTR_TRUSTED_PREFIX_LEN);
}
diff --git a/fs/hfsplus/xattr_user.c b/fs/hfsplus/xattr_user.c
index 6fc269baf959..3c9eec3e4c7b 100644
--- a/fs/hfsplus/xattr_user.c
+++ b/fs/hfsplus/xattr_user.c
@@ -12,11 +12,11 @@
#include "xattr.h"
static int hfsplus_user_getxattr(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name,
- void *buffer, size_t size)
+ struct dentry *unused, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
- return hfsplus_getxattr(dentry, name, buffer, size,
+ return hfsplus_getxattr(inode, name, buffer, size,
XATTR_USER_PREFIX, XATTR_USER_PREFIX_LEN);
}
diff --git a/fs/inode.c b/fs/inode.c
index 69b8b526c194..4202aac99464 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -238,9 +238,9 @@ void __destroy_inode(struct inode *inode)
}
#ifdef CONFIG_FS_POSIX_ACL
- if (inode->i_acl && inode->i_acl != ACL_NOT_CACHED)
+ if (inode->i_acl && !is_uncached_acl(inode->i_acl))
posix_acl_release(inode->i_acl);
- if (inode->i_default_acl && inode->i_default_acl != ACL_NOT_CACHED)
+ if (inode->i_default_acl && !is_uncached_acl(inode->i_default_acl))
posix_acl_release(inode->i_default_acl);
#endif
this_cpu_dec(nr_inodes);
diff --git a/fs/jffs2/acl.c b/fs/jffs2/acl.c
index 2f7a3c090489..bc2693d56298 100644
--- a/fs/jffs2/acl.c
+++ b/fs/jffs2/acl.c
@@ -203,8 +203,6 @@ struct posix_acl *jffs2_get_acl(struct inode *inode, int type)
acl = ERR_PTR(rc);
}
kfree(value);
- if (!IS_ERR(acl))
- set_cached_acl(inode, type, acl);
return acl;
}
diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c
index 30c4c9ebb693..7a9579e03dbb 100644
--- a/fs/jffs2/dir.c
+++ b/fs/jffs2/dir.c
@@ -241,7 +241,7 @@ static int jffs2_unlink(struct inode *dir_i, struct dentry *dentry)
static int jffs2_link (struct dentry *old_dentry, struct inode *dir_i, struct dentry *dentry)
{
- struct jffs2_sb_info *c = JFFS2_SB_INFO(d_inode(old_dentry)->i_sb);
+ struct jffs2_sb_info *c = JFFS2_SB_INFO(old_dentry->d_sb);
struct jffs2_inode_info *f = JFFS2_INODE_INFO(d_inode(old_dentry));
struct jffs2_inode_info *dir_f = JFFS2_INODE_INFO(dir_i);
int ret;
diff --git a/fs/jffs2/security.c b/fs/jffs2/security.c
index 7a28facd7175..3ed9a4b49778 100644
--- a/fs/jffs2/security.c
+++ b/fs/jffs2/security.c
@@ -49,10 +49,10 @@ int jffs2_init_security(struct inode *inode, struct inode *dir,
/* ---- XATTR Handler for "security.*" ----------------- */
static int jffs2_security_getxattr(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name,
- void *buffer, size_t size)
+ struct dentry *unused, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
- return do_jffs2_getxattr(d_inode(dentry), JFFS2_XPREFIX_SECURITY,
+ return do_jffs2_getxattr(inode, JFFS2_XPREFIX_SECURITY,
name, buffer, size);
}
diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c
index 0a9a114bb9d1..5ef21f4c4c77 100644
--- a/fs/jffs2/super.c
+++ b/fs/jffs2/super.c
@@ -147,7 +147,7 @@ static struct dentry *jffs2_get_parent(struct dentry *child)
JFFS2_DEBUG("Parent of directory ino #%u is #%u\n",
f->inocache->ino, pino);
- return d_obtain_alias(jffs2_iget(d_inode(child)->i_sb, pino));
+ return d_obtain_alias(jffs2_iget(child->d_sb, pino));
}
static const struct export_operations jffs2_export_ops = {
diff --git a/fs/jffs2/xattr_trusted.c b/fs/jffs2/xattr_trusted.c
index b2555ef07a12..4ebecff1d922 100644
--- a/fs/jffs2/xattr_trusted.c
+++ b/fs/jffs2/xattr_trusted.c
@@ -17,10 +17,10 @@
#include "nodelist.h"
static int jffs2_trusted_getxattr(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name,
- void *buffer, size_t size)
+ struct dentry *unused, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
- return do_jffs2_getxattr(d_inode(dentry), JFFS2_XPREFIX_TRUSTED,
+ return do_jffs2_getxattr(inode, JFFS2_XPREFIX_TRUSTED,
name, buffer, size);
}
diff --git a/fs/jffs2/xattr_user.c b/fs/jffs2/xattr_user.c
index 539bd630b5e4..bce249e1b277 100644
--- a/fs/jffs2/xattr_user.c
+++ b/fs/jffs2/xattr_user.c
@@ -17,10 +17,10 @@
#include "nodelist.h"
static int jffs2_user_getxattr(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name,
- void *buffer, size_t size)
+ struct dentry *unused, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
- return do_jffs2_getxattr(d_inode(dentry), JFFS2_XPREFIX_USER,
+ return do_jffs2_getxattr(inode, JFFS2_XPREFIX_USER,
name, buffer, size);
}
diff --git a/fs/jfs/acl.c b/fs/jfs/acl.c
index 49456853e9de..21fa92ba2c19 100644
--- a/fs/jfs/acl.c
+++ b/fs/jfs/acl.c
@@ -34,10 +34,6 @@ struct posix_acl *jfs_get_acl(struct inode *inode, int type)
int size;
char *value = NULL;
- acl = get_cached_acl(inode, type);
- if (acl != ACL_NOT_CACHED)
- return acl;
-
switch(type) {
case ACL_TYPE_ACCESS:
ea_name = XATTR_NAME_POSIX_ACL_ACCESS;
@@ -67,8 +63,6 @@ struct posix_acl *jfs_get_acl(struct inode *inode, int type)
acl = posix_acl_from_xattr(&init_user_ns, value, size);
}
kfree(value);
- if (!IS_ERR(acl))
- set_cached_acl(inode, type, acl);
return acl;
}
diff --git a/fs/jfs/jfs_xattr.h b/fs/jfs/jfs_xattr.h
index e8d717dabca3..e69e14f3777b 100644
--- a/fs/jfs/jfs_xattr.h
+++ b/fs/jfs/jfs_xattr.h
@@ -57,7 +57,7 @@ extern int __jfs_setxattr(tid_t, struct inode *, const char *, const void *,
extern int jfs_setxattr(struct dentry *, const char *, const void *, size_t,
int);
extern ssize_t __jfs_getxattr(struct inode *, const char *, void *, size_t);
-extern ssize_t jfs_getxattr(struct dentry *, const char *, void *, size_t);
+extern ssize_t jfs_getxattr(struct dentry *, struct inode *, const char *, void *, size_t);
extern ssize_t jfs_listxattr(struct dentry *, char *, size_t);
extern int jfs_removexattr(struct dentry *, const char *);
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index 701f89370de7..8a40941ac9a6 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -1524,7 +1524,7 @@ struct dentry *jfs_get_parent(struct dentry *dentry)
parent_ino =
le32_to_cpu(JFS_IP(d_inode(dentry))->i_dtroot.header.idotdot);
- return d_obtain_alias(jfs_iget(d_inode(dentry)->i_sb, parent_ino));
+ return d_obtain_alias(jfs_iget(dentry->d_sb, parent_ino));
}
const struct inode_operations jfs_dir_inode_operations = {
diff --git a/fs/jfs/xattr.c b/fs/jfs/xattr.c
index 48b15a6e5558..5becc6a3ff8c 100644
--- a/fs/jfs/xattr.c
+++ b/fs/jfs/xattr.c
@@ -933,8 +933,8 @@ ssize_t __jfs_getxattr(struct inode *inode, const char *name, void *data,
return size;
}
-ssize_t jfs_getxattr(struct dentry *dentry, const char *name, void *data,
- size_t buf_size)
+ssize_t jfs_getxattr(struct dentry *dentry, struct inode *inode,
+ const char *name, void *data, size_t buf_size)
{
int err;
@@ -944,7 +944,7 @@ ssize_t jfs_getxattr(struct dentry *dentry, const char *name, void *data,
* for it via sb->s_xattr.
*/
if (!strncmp(name, XATTR_SYSTEM_PREFIX, XATTR_SYSTEM_PREFIX_LEN))
- return generic_getxattr(dentry, name, data, buf_size);
+ return generic_getxattr(dentry, inode, name, data, buf_size);
if (strncmp(name, XATTR_OS2_PREFIX, XATTR_OS2_PREFIX_LEN) == 0) {
/*
@@ -959,7 +959,7 @@ ssize_t jfs_getxattr(struct dentry *dentry, const char *name, void *data,
return -EOPNOTSUPP;
}
- err = __jfs_getxattr(d_inode(dentry), name, data, buf_size);
+ err = __jfs_getxattr(inode, name, data, buf_size);
return err;
}
diff --git a/fs/kernfs/inode.c b/fs/kernfs/inode.c
index 16405ae88d2d..b5247226732b 100644
--- a/fs/kernfs/inode.c
+++ b/fs/kernfs/inode.c
@@ -208,10 +208,10 @@ int kernfs_iop_removexattr(struct dentry *dentry, const char *name)
return simple_xattr_set(&attrs->xattrs, name, NULL, 0, XATTR_REPLACE);
}
-ssize_t kernfs_iop_getxattr(struct dentry *dentry, const char *name, void *buf,
- size_t size)
+ssize_t kernfs_iop_getxattr(struct dentry *unused, struct inode *inode,
+ const char *name, void *buf, size_t size)
{
- struct kernfs_node *kn = dentry->d_fsdata;
+ struct kernfs_node *kn = inode->i_private;
struct kernfs_iattrs *attrs;
attrs = kernfs_iattrs(kn);
diff --git a/fs/kernfs/kernfs-internal.h b/fs/kernfs/kernfs-internal.h
index 6762bfbd8207..45c9192c276e 100644
--- a/fs/kernfs/kernfs-internal.h
+++ b/fs/kernfs/kernfs-internal.h
@@ -84,8 +84,8 @@ int kernfs_iop_getattr(struct vfsmount *mnt, struct dentry *dentry,
int kernfs_iop_setxattr(struct dentry *dentry, const char *name, const void *value,
size_t size, int flags);
int kernfs_iop_removexattr(struct dentry *dentry, const char *name);
-ssize_t kernfs_iop_getxattr(struct dentry *dentry, const char *name, void *buf,
- size_t size);
+ssize_t kernfs_iop_getxattr(struct dentry *dentry, struct inode *inode,
+ const char *name, void *buf, size_t size);
ssize_t kernfs_iop_listxattr(struct dentry *dentry, char *buf, size_t size);
/*
diff --git a/fs/libfs.c b/fs/libfs.c
index f3fa82ce9b70..43dd28031a1a 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -1127,8 +1127,8 @@ static int empty_dir_setxattr(struct dentry *dentry, const char *name,
return -EOPNOTSUPP;
}
-static ssize_t empty_dir_getxattr(struct dentry *dentry, const char *name,
- void *value, size_t size)
+static ssize_t empty_dir_getxattr(struct dentry *dentry, struct inode *inode,
+ const char *name, void *value, size_t size)
{
return -EOPNOTSUPP;
}
diff --git a/fs/namei.c b/fs/namei.c
index 1d9ca2d5dff6..bdcea8a018b8 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -265,7 +265,7 @@ static int check_acl(struct inode *inode, int mask)
if (!acl)
return -EAGAIN;
/* no ->get_acl() calls in RCU mode... */
- if (acl == ACL_NOT_CACHED)
+ if (is_uncached_acl(acl))
return -ECHILD;
return posix_acl_permission(inode, acl, mask & ~MAY_NOT_BLOCK);
}
@@ -2655,7 +2655,7 @@ struct dentry *lock_rename(struct dentry *p1, struct dentry *p2)
return NULL;
}
- mutex_lock(&p1->d_inode->i_sb->s_vfs_rename_mutex);
+ mutex_lock(&p1->d_sb->s_vfs_rename_mutex);
p = d_ancestor(p2, p1);
if (p) {
@@ -2682,7 +2682,7 @@ void unlock_rename(struct dentry *p1, struct dentry *p2)
inode_unlock(p1->d_inode);
if (p1 != p2) {
inode_unlock(p2->d_inode);
- mutex_unlock(&p1->d_inode->i_sb->s_vfs_rename_mutex);
+ mutex_unlock(&p1->d_sb->s_vfs_rename_mutex);
}
}
EXPORT_SYMBOL(unlock_rename);
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index c93826e4a8c6..438d4e70742f 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -396,7 +396,7 @@ static void nfs_direct_complete(struct nfs_direct_req *dreq, bool write)
static void nfs_direct_readpage_release(struct nfs_page *req)
{
dprintk("NFS: direct read done (%s/%llu %d@%lld)\n",
- d_inode(req->wb_context->dentry)->i_sb->s_id,
+ req->wb_context->dentry->d_sb->s_id,
(unsigned long long)NFS_FILEID(d_inode(req->wb_context->dentry)),
req->wb_bytes,
(long long)req_offset(req));
diff --git a/fs/nfs/nfs3acl.c b/fs/nfs/nfs3acl.c
index 17c0fa1eccfa..720d92f5abfb 100644
--- a/fs/nfs/nfs3acl.c
+++ b/fs/nfs/nfs3acl.c
@@ -11,6 +11,38 @@
#define NFSDBG_FACILITY NFSDBG_PROC
+/*
+ * nfs3_prepare_get_acl, nfs3_complete_get_acl, nfs3_abort_get_acl: Helpers for
+ * caching get_acl results in a race-free way. See fs/posix_acl.c:get_acl()
+ * for explanations.
+ */
+static void nfs3_prepare_get_acl(struct posix_acl **p)
+{
+ struct posix_acl *sentinel = uncached_acl_sentinel(current);
+
+ if (cmpxchg(p, ACL_NOT_CACHED, sentinel) != ACL_NOT_CACHED) {
+ /* Not the first reader or sentinel already in place. */
+ }
+}
+
+static void nfs3_complete_get_acl(struct posix_acl **p, struct posix_acl *acl)
+{
+ struct posix_acl *sentinel = uncached_acl_sentinel(current);
+
+ /* Only cache the ACL if our sentinel is still in place. */
+ posix_acl_dup(acl);
+ if (cmpxchg(p, sentinel, acl) != sentinel)
+ posix_acl_release(acl);
+}
+
+static void nfs3_abort_get_acl(struct posix_acl **p)
+{
+ struct posix_acl *sentinel = uncached_acl_sentinel(current);
+
+ /* Remove our sentinel upon failure. */
+ cmpxchg(p, sentinel, ACL_NOT_CACHED);
+}
+
struct posix_acl *nfs3_get_acl(struct inode *inode, int type)
{
struct nfs_server *server = NFS_SERVER(inode);
@@ -55,6 +87,11 @@ struct posix_acl *nfs3_get_acl(struct inode *inode, int type)
if (res.fattr == NULL)
return ERR_PTR(-ENOMEM);
+ if (args.mask & NFS_ACL)
+ nfs3_prepare_get_acl(&inode->i_acl);
+ if (args.mask & NFS_DFACL)
+ nfs3_prepare_get_acl(&inode->i_default_acl);
+
status = rpc_call_sync(server->client_acl, &msg, 0);
dprintk("NFS reply getacl: %d\n", status);
@@ -89,12 +126,12 @@ struct posix_acl *nfs3_get_acl(struct inode *inode, int type)
}
if (res.mask & NFS_ACL)
- set_cached_acl(inode, ACL_TYPE_ACCESS, res.acl_access);
+ nfs3_complete_get_acl(&inode->i_acl, res.acl_access);
else
forget_cached_acl(inode, ACL_TYPE_ACCESS);
if (res.mask & NFS_DFACL)
- set_cached_acl(inode, ACL_TYPE_DEFAULT, res.acl_default);
+ nfs3_complete_get_acl(&inode->i_default_acl, res.acl_default);
else
forget_cached_acl(inode, ACL_TYPE_DEFAULT);
@@ -108,6 +145,8 @@ struct posix_acl *nfs3_get_acl(struct inode *inode, int type)
}
getout:
+ nfs3_abort_get_acl(&inode->i_acl);
+ nfs3_abort_get_acl(&inode->i_default_acl);
posix_acl_release(res.acl_access);
posix_acl_release(res.acl_default);
nfs_free_fattr(res.fattr);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 327b8c34d360..7a7ac1dafa02 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -6263,10 +6263,10 @@ static int nfs4_xattr_set_nfs4_acl(const struct xattr_handler *handler,
}
static int nfs4_xattr_get_nfs4_acl(const struct xattr_handler *handler,
- struct dentry *dentry, const char *key,
- void *buf, size_t buflen)
+ struct dentry *unused, struct inode *inode,
+ const char *key, void *buf, size_t buflen)
{
- return nfs4_proc_get_acl(d_inode(dentry), buf, buflen);
+ return nfs4_proc_get_acl(inode, buf, buflen);
}
static bool nfs4_xattr_list_nfs4_acl(struct dentry *dentry)
@@ -6288,11 +6288,11 @@ static int nfs4_xattr_set_nfs4_label(const struct xattr_handler *handler,
}
static int nfs4_xattr_get_nfs4_label(const struct xattr_handler *handler,
- struct dentry *dentry, const char *key,
- void *buf, size_t buflen)
+ struct dentry *unused, struct inode *inode,
+ const char *key, void *buf, size_t buflen)
{
if (security_ismaclabel(key))
- return nfs4_get_security_label(d_inode(dentry), buf, buflen);
+ return nfs4_get_security_label(inode, buf, buflen);
return -EOPNOTSUPP;
}
diff --git a/fs/nfsd/nfs3proc.c b/fs/nfsd/nfs3proc.c
index 51c3b06e8036..d818e4ffd79f 100644
--- a/fs/nfsd/nfs3proc.c
+++ b/fs/nfsd/nfs3proc.c
@@ -552,7 +552,7 @@ nfsd3_proc_fsinfo(struct svc_rqst * rqstp, struct nfsd_fhandle *argp,
* different read/write sizes for file systems known to have
* problems with large blocks */
if (nfserr == 0) {
- struct super_block *sb = d_inode(argp->fh.fh_dentry)->i_sb;
+ struct super_block *sb = argp->fh.fh_dentry->d_sb;
/* Note that we don't care for remote fs's here */
if (sb->s_magic == MSDOS_SUPER_MAGIC) {
@@ -588,7 +588,7 @@ nfsd3_proc_pathconf(struct svc_rqst * rqstp, struct nfsd_fhandle *argp,
nfserr = fh_verify(rqstp, &argp->fh, 0, NFSD_MAY_NOP);
if (nfserr == 0) {
- struct super_block *sb = d_inode(argp->fh.fh_dentry)->i_sb;
+ struct super_block *sb = argp->fh.fh_dentry->d_sb;
/* Note that we don't care for remote fs's here */
switch (sb->s_magic) {
diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c
index 2246454dec76..93d5853f8c99 100644
--- a/fs/nfsd/nfs3xdr.c
+++ b/fs/nfsd/nfs3xdr.c
@@ -146,7 +146,7 @@ static __be32 *encode_fsid(__be32 *p, struct svc_fh *fhp)
default:
case FSIDSOURCE_DEV:
p = xdr_encode_hyper(p, (u64)huge_encode_dev
- (d_inode(fhp->fh_dentry)->i_sb->s_dev));
+ (fhp->fh_dentry->d_sb->s_dev));
break;
case FSIDSOURCE_FSID:
p = xdr_encode_hyper(p, (u64) fhp->fh_export->ex_fsid);
diff --git a/fs/nfsd/nfsfh.c b/fs/nfsd/nfsfh.c
index c1681ce894c5..a8919444c460 100644
--- a/fs/nfsd/nfsfh.c
+++ b/fs/nfsd/nfsfh.c
@@ -426,7 +426,7 @@ static bool is_root_export(struct svc_export *exp)
static struct super_block *exp_sb(struct svc_export *exp)
{
- return d_inode(exp->ex_path.dentry)->i_sb;
+ return exp->ex_path.dentry->d_sb;
}
static bool fsid_type_ok_for_exp(u8 fsid_type, struct svc_export *exp)
diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c
index 151bc19d47c0..3b2af05f9fb4 100644
--- a/fs/nilfs2/namei.c
+++ b/fs/nilfs2/namei.c
@@ -457,7 +457,7 @@ static struct dentry *nilfs_get_parent(struct dentry *child)
root = NILFS_I(d_inode(child))->i_root;
- inode = nilfs_iget(d_inode(child)->i_sb, root, ino);
+ inode = nilfs_iget(child->d_sb, root, ino);
if (IS_ERR(inode))
return ERR_CAST(inode);
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index 474e57f834e6..1eaa9100c889 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -54,6 +54,7 @@
#include "uptodate.h"
#include "quota.h"
#include "refcounttree.h"
+#include "acl.h"
#include "buffer_head_io.h"
@@ -3623,6 +3624,8 @@ static int ocfs2_data_convert_worker(struct ocfs2_lock_res *lockres,
filemap_fdatawait(mapping);
}
+ forget_all_cached_acls(inode);
+
out:
return UNBLOCK_CONTINUE;
}
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 5308841756be..2bf23fd333ed 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -1290,7 +1290,7 @@ int ocfs2_getattr(struct vfsmount *mnt,
struct kstat *stat)
{
struct inode *inode = d_inode(dentry);
- struct super_block *sb = d_inode(dentry)->i_sb;
+ struct super_block *sb = dentry->d_sb;
struct ocfs2_super *osb = sb->s_fs_info;
int err;
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 7d3d979f57d9..72eef4cfe8a9 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -7250,10 +7250,10 @@ leave:
* 'security' attributes support
*/
static int ocfs2_xattr_security_get(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name,
- void *buffer, size_t size)
+ struct dentry *unused, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
- return ocfs2_xattr_get(d_inode(dentry), OCFS2_XATTR_INDEX_SECURITY,
+ return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_SECURITY,
name, buffer, size);
}
@@ -7321,10 +7321,10 @@ const struct xattr_handler ocfs2_xattr_security_handler = {
* 'trusted' attributes support
*/
static int ocfs2_xattr_trusted_get(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name,
- void *buffer, size_t size)
+ struct dentry *unused, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
- return ocfs2_xattr_get(d_inode(dentry), OCFS2_XATTR_INDEX_TRUSTED,
+ return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_TRUSTED,
name, buffer, size);
}
@@ -7346,14 +7346,14 @@ const struct xattr_handler ocfs2_xattr_trusted_handler = {
* 'user' attributes support
*/
static int ocfs2_xattr_user_get(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name,
- void *buffer, size_t size)
+ struct dentry *unusde, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
- struct ocfs2_super *osb = OCFS2_SB(dentry->d_sb);
+ struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
if (osb->s_mount_opt & OCFS2_MOUNT_NOUSERXATTR)
return -EOPNOTSUPP;
- return ocfs2_xattr_get(d_inode(dentry), OCFS2_XATTR_INDEX_USER, name,
+ return ocfs2_xattr_get(inode, OCFS2_XATTR_INDEX_USER, name,
buffer, size);
}
diff --git a/fs/orangefs/xattr.c b/fs/orangefs/xattr.c
index 63a6280d8c3a..99c19545752c 100644
--- a/fs/orangefs/xattr.c
+++ b/fs/orangefs/xattr.c
@@ -463,12 +463,13 @@ static int orangefs_xattr_set_default(const struct xattr_handler *handler,
}
static int orangefs_xattr_get_default(const struct xattr_handler *handler,
- struct dentry *dentry,
+ struct dentry *unused,
+ struct inode *inode,
const char *name,
void *buffer,
size_t size)
{
- return orangefs_inode_getxattr(dentry->d_inode,
+ return orangefs_inode_getxattr(inode,
ORANGEFS_XATTR_NAME_DEFAULT_PREFIX,
name,
buffer,
@@ -492,12 +493,13 @@ static int orangefs_xattr_set_trusted(const struct xattr_handler *handler,
}
static int orangefs_xattr_get_trusted(const struct xattr_handler *handler,
- struct dentry *dentry,
+ struct dentry *unused,
+ struct inode *inode,
const char *name,
void *buffer,
size_t size)
{
- return orangefs_inode_getxattr(dentry->d_inode,
+ return orangefs_inode_getxattr(inode,
ORANGEFS_XATTR_NAME_TRUSTED_PREFIX,
name,
buffer,
diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
index a4ff5d0d7db9..c7b31a03dc9c 100644
--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -246,8 +246,8 @@ static bool ovl_need_xattr_filter(struct dentry *dentry,
return false;
}
-ssize_t ovl_getxattr(struct dentry *dentry, const char *name,
- void *value, size_t size)
+ssize_t ovl_getxattr(struct dentry *dentry, struct inode *inode,
+ const char *name, void *value, size_t size)
{
struct path realpath;
enum ovl_path_type type = ovl_path_real(dentry, &realpath);
diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h
index 6a7090f4a441..99ec4b035237 100644
--- a/fs/overlayfs/overlayfs.h
+++ b/fs/overlayfs/overlayfs.h
@@ -173,8 +173,8 @@ int ovl_setattr(struct dentry *dentry, struct iattr *attr);
int ovl_permission(struct inode *inode, int mask);
int ovl_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags);
-ssize_t ovl_getxattr(struct dentry *dentry, const char *name,
- void *value, size_t size);
+ssize_t ovl_getxattr(struct dentry *dentry, struct inode *inode,
+ const char *name, void *value, size_t size);
ssize_t ovl_listxattr(struct dentry *dentry, char *list, size_t size);
int ovl_removexattr(struct dentry *dentry, const char *name);
struct inode *ovl_d_select_inode(struct dentry *dentry, unsigned file_flags);
diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c
index 5d972e6cd3fe..29c4d3250725 100644
--- a/fs/overlayfs/super.c
+++ b/fs/overlayfs/super.c
@@ -274,7 +274,7 @@ static bool ovl_is_opaquedir(struct dentry *dentry)
if (!S_ISDIR(inode->i_mode) || !inode->i_op->getxattr)
return false;
- res = inode->i_op->getxattr(dentry, OVL_XATTR_OPAQUE, &val, 1);
+ res = inode->i_op->getxattr(dentry, inode, OVL_XATTR_OPAQUE, &val, 1);
if (res == 1 && val == 'y')
return true;
diff --git a/fs/posix_acl.c b/fs/posix_acl.c
index 711dd5170376..2c60f17e7d92 100644
--- a/fs/posix_acl.c
+++ b/fs/posix_acl.c
@@ -21,7 +21,7 @@
#include <linux/export.h>
#include <linux/user_namespace.h>
-struct posix_acl **acl_by_type(struct inode *inode, int type)
+static struct posix_acl **acl_by_type(struct inode *inode, int type)
{
switch (type) {
case ACL_TYPE_ACCESS:
@@ -32,19 +32,22 @@ struct posix_acl **acl_by_type(struct inode *inode, int type)
BUG();
}
}
-EXPORT_SYMBOL(acl_by_type);
struct posix_acl *get_cached_acl(struct inode *inode, int type)
{
struct posix_acl **p = acl_by_type(inode, type);
- struct posix_acl *acl = ACCESS_ONCE(*p);
- if (acl) {
- spin_lock(&inode->i_lock);
- acl = *p;
- if (acl != ACL_NOT_CACHED)
- acl = posix_acl_dup(acl);
- spin_unlock(&inode->i_lock);
+ struct posix_acl *acl;
+
+ for (;;) {
+ rcu_read_lock();
+ acl = rcu_dereference(*p);
+ if (!acl || is_uncached_acl(acl) ||
+ atomic_inc_not_zero(&acl->a_refcount))
+ break;
+ rcu_read_unlock();
+ cpu_relax();
}
+ rcu_read_unlock();
return acl;
}
EXPORT_SYMBOL(get_cached_acl);
@@ -59,58 +62,72 @@ void set_cached_acl(struct inode *inode, int type, struct posix_acl *acl)
{
struct posix_acl **p = acl_by_type(inode, type);
struct posix_acl *old;
- spin_lock(&inode->i_lock);
- old = *p;
- rcu_assign_pointer(*p, posix_acl_dup(acl));
- spin_unlock(&inode->i_lock);
- if (old != ACL_NOT_CACHED)
+
+ old = xchg(p, posix_acl_dup(acl));
+ if (!is_uncached_acl(old))
posix_acl_release(old);
}
EXPORT_SYMBOL(set_cached_acl);
-void forget_cached_acl(struct inode *inode, int type)
+static void __forget_cached_acl(struct posix_acl **p)
{
- struct posix_acl **p = acl_by_type(inode, type);
struct posix_acl *old;
- spin_lock(&inode->i_lock);
- old = *p;
- *p = ACL_NOT_CACHED;
- spin_unlock(&inode->i_lock);
- if (old != ACL_NOT_CACHED)
+
+ old = xchg(p, ACL_NOT_CACHED);
+ if (!is_uncached_acl(old))
posix_acl_release(old);
}
+
+void forget_cached_acl(struct inode *inode, int type)
+{
+ __forget_cached_acl(acl_by_type(inode, type));
+}
EXPORT_SYMBOL(forget_cached_acl);
void forget_all_cached_acls(struct inode *inode)
{
- struct posix_acl *old_access, *old_default;
- spin_lock(&inode->i_lock);
- old_access = inode->i_acl;
- old_default = inode->i_default_acl;
- inode->i_acl = inode->i_default_acl = ACL_NOT_CACHED;
- spin_unlock(&inode->i_lock);
- if (old_access != ACL_NOT_CACHED)
- posix_acl_release(old_access);
- if (old_default != ACL_NOT_CACHED)
- posix_acl_release(old_default);
+ __forget_cached_acl(&inode->i_acl);
+ __forget_cached_acl(&inode->i_default_acl);
}
EXPORT_SYMBOL(forget_all_cached_acls);
struct posix_acl *get_acl(struct inode *inode, int type)
{
+ void *sentinel;
+ struct posix_acl **p;
struct posix_acl *acl;
+ /*
+ * The sentinel is used to detect when another operation like
+ * set_cached_acl() or forget_cached_acl() races with get_acl().
+ * It is guaranteed that is_uncached_acl(sentinel) is true.
+ */
+
acl = get_cached_acl(inode, type);
- if (acl != ACL_NOT_CACHED)
+ if (!is_uncached_acl(acl))
return acl;
if (!IS_POSIXACL(inode))
return NULL;
+ sentinel = uncached_acl_sentinel(current);
+ p = acl_by_type(inode, type);
+
/*
- * A filesystem can force a ACL callback by just never filling the
- * ACL cache. But normally you'd fill the cache either at inode
- * instantiation time, or on the first ->get_acl call.
+ * If the ACL isn't being read yet, set our sentinel. Otherwise, the
+ * current value of the ACL will not be ACL_NOT_CACHED and so our own
+ * sentinel will not be set; another task will update the cache. We
+ * could wait for that other task to complete its job, but it's easier
+ * to just call ->get_acl to fetch the ACL ourself. (This is going to
+ * be an unlikely race.)
+ */
+ if (cmpxchg(p, ACL_NOT_CACHED, sentinel) != ACL_NOT_CACHED)
+ /* fall through */ ;
+
+ /*
+ * Normally, the ACL returned by ->get_acl will be cached.
+ * A filesystem can prevent that by calling
+ * forget_cached_acl(inode, type) in ->get_acl.
*
* If the filesystem doesn't have a get_acl() function at all, we'll
* just create the negative cache entry.
@@ -119,7 +136,24 @@ struct posix_acl *get_acl(struct inode *inode, int type)
set_cached_acl(inode, type, NULL);
return NULL;
}
- return inode->i_op->get_acl(inode, type);
+ acl = inode->i_op->get_acl(inode, type);
+
+ if (IS_ERR(acl)) {
+ /*
+ * Remove our sentinel so that we don't block future attempts
+ * to cache the ACL.
+ */
+ cmpxchg(p, sentinel, ACL_NOT_CACHED);
+ return acl;
+ }
+
+ /*
+ * Cache the result, but only if our sentinel is still in place.
+ */
+ posix_acl_dup(acl);
+ if (unlikely(cmpxchg(p, sentinel, acl) != sentinel))
+ posix_acl_release(acl);
+ return acl;
}
EXPORT_SYMBOL(get_acl);
@@ -763,18 +797,18 @@ EXPORT_SYMBOL (posix_acl_to_xattr);
static int
posix_acl_xattr_get(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name,
- void *value, size_t size)
+ struct dentry *unused, struct inode *inode,
+ const char *name, void *value, size_t size)
{
struct posix_acl *acl;
int error;
- if (!IS_POSIXACL(d_backing_inode(dentry)))
+ if (!IS_POSIXACL(inode))
return -EOPNOTSUPP;
- if (d_is_symlink(dentry))
+ if (S_ISLNK(inode->i_mode))
return -EOPNOTSUPP;
- acl = get_acl(d_backing_inode(dentry), handler->flags);
+ acl = get_acl(inode, handler->flags);
if (IS_ERR(acl))
return PTR_ERR(acl);
if (acl == NULL)
diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c
index 389773711de4..90f815bdfa8a 100644
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -260,10 +260,10 @@ const struct file_operations reiserfs_file_operations = {
const struct inode_operations reiserfs_file_inode_operations = {
.setattr = reiserfs_setattr,
- .setxattr = reiserfs_setxattr,
- .getxattr = reiserfs_getxattr,
+ .setxattr = generic_setxattr,
+ .getxattr = generic_getxattr,
.listxattr = reiserfs_listxattr,
- .removexattr = reiserfs_removexattr,
+ .removexattr = generic_removexattr,
.permission = reiserfs_permission,
.get_acl = reiserfs_get_acl,
.set_acl = reiserfs_set_acl,
diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c
index 2a12d46d7fb4..8a36696d6df9 100644
--- a/fs/reiserfs/namei.c
+++ b/fs/reiserfs/namei.c
@@ -1650,10 +1650,10 @@ const struct inode_operations reiserfs_dir_inode_operations = {
.mknod = reiserfs_mknod,
.rename = reiserfs_rename,
.setattr = reiserfs_setattr,
- .setxattr = reiserfs_setxattr,
- .getxattr = reiserfs_getxattr,
+ .setxattr = generic_setxattr,
+ .getxattr = generic_getxattr,
.listxattr = reiserfs_listxattr,
- .removexattr = reiserfs_removexattr,
+ .removexattr = generic_removexattr,
.permission = reiserfs_permission,
.get_acl = reiserfs_get_acl,
.set_acl = reiserfs_set_acl,
@@ -1667,10 +1667,10 @@ const struct inode_operations reiserfs_symlink_inode_operations = {
.readlink = generic_readlink,
.get_link = page_get_link,
.setattr = reiserfs_setattr,
- .setxattr = reiserfs_setxattr,
- .getxattr = reiserfs_getxattr,
+ .setxattr = generic_setxattr,
+ .getxattr = generic_getxattr,
.listxattr = reiserfs_listxattr,
- .removexattr = reiserfs_removexattr,
+ .removexattr = generic_removexattr,
.permission = reiserfs_permission,
};
@@ -1679,10 +1679,10 @@ const struct inode_operations reiserfs_symlink_inode_operations = {
*/
const struct inode_operations reiserfs_special_inode_operations = {
.setattr = reiserfs_setattr,
- .setxattr = reiserfs_setxattr,
- .getxattr = reiserfs_getxattr,
+ .setxattr = generic_setxattr,
+ .getxattr = generic_getxattr,
.listxattr = reiserfs_listxattr,
- .removexattr = reiserfs_removexattr,
+ .removexattr = generic_removexattr,
.permission = reiserfs_permission,
.get_acl = reiserfs_get_acl,
.set_acl = reiserfs_set_acl,
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index 28f5f8b11370..a33812ae9fad 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -764,60 +764,6 @@ find_xattr_handler_prefix(const struct xattr_handler **handlers,
return xah;
}
-
-/*
- * Inode operation getxattr()
- */
-ssize_t
-reiserfs_getxattr(struct dentry * dentry, const char *name, void *buffer,
- size_t size)
-{
- const struct xattr_handler *handler;
-
- handler = find_xattr_handler_prefix(dentry->d_sb->s_xattr, name);
-
- if (!handler || get_inode_sd_version(d_inode(dentry)) == STAT_DATA_V1)
- return -EOPNOTSUPP;
-
- return handler->get(handler, dentry, name, buffer, size);
-}
-
-/*
- * Inode operation setxattr()
- *
- * d_inode(dentry)->i_mutex down
- */
-int
-reiserfs_setxattr(struct dentry *dentry, const char *name, const void *value,
- size_t size, int flags)
-{
- const struct xattr_handler *handler;
-
- handler = find_xattr_handler_prefix(dentry->d_sb->s_xattr, name);
-
- if (!handler || get_inode_sd_version(d_inode(dentry)) == STAT_DATA_V1)
- return -EOPNOTSUPP;
-
- return handler->set(handler, dentry, name, value, size, flags);
-}
-
-/*
- * Inode operation removexattr()
- *
- * d_inode(dentry)->i_mutex down
- */
-int reiserfs_removexattr(struct dentry *dentry, const char *name)
-{
- const struct xattr_handler *handler;
-
- handler = find_xattr_handler_prefix(dentry->d_sb->s_xattr, name);
-
- if (!handler || get_inode_sd_version(d_inode(dentry)) == STAT_DATA_V1)
- return -EOPNOTSUPP;
-
- return handler->set(handler, dentry, name, NULL, 0, XATTR_REPLACE);
-}
-
struct listxattr_buf {
struct dir_context ctx;
size_t size;
diff --git a/fs/reiserfs/xattr.h b/fs/reiserfs/xattr.h
index 15dde6262c00..613ff5aef94e 100644
--- a/fs/reiserfs/xattr.h
+++ b/fs/reiserfs/xattr.h
@@ -2,6 +2,7 @@
#include <linux/init.h>
#include <linux/list.h>
#include <linux/rwsem.h>
+#include <linux/xattr.h>
struct inode;
struct dentry;
@@ -18,12 +19,7 @@ int reiserfs_permission(struct inode *inode, int mask);
#ifdef CONFIG_REISERFS_FS_XATTR
#define has_xattr_dir(inode) (REISERFS_I(inode)->i_flags & i_has_xattr_dir)
-ssize_t reiserfs_getxattr(struct dentry *dentry, const char *name,
- void *buffer, size_t size);
-int reiserfs_setxattr(struct dentry *dentry, const char *name,
- const void *value, size_t size, int flags);
ssize_t reiserfs_listxattr(struct dentry *dentry, char *buffer, size_t size);
-int reiserfs_removexattr(struct dentry *dentry, const char *name);
int reiserfs_xattr_get(struct inode *, const char *, void *, size_t);
int reiserfs_xattr_set(struct inode *, const char *, const void *, size_t, int);
@@ -92,10 +88,7 @@ static inline void reiserfs_init_xattr_rwsem(struct inode *inode)
#else
-#define reiserfs_getxattr NULL
-#define reiserfs_setxattr NULL
#define reiserfs_listxattr NULL
-#define reiserfs_removexattr NULL
static inline void reiserfs_init_xattr_rwsem(struct inode *inode)
{
diff --git a/fs/reiserfs/xattr_acl.c b/fs/reiserfs/xattr_acl.c
index 558a16beaacb..dbed42f755e0 100644
--- a/fs/reiserfs/xattr_acl.c
+++ b/fs/reiserfs/xattr_acl.c
@@ -197,10 +197,8 @@ struct posix_acl *reiserfs_get_acl(struct inode *inode, int type)
size = reiserfs_xattr_get(inode, name, NULL, 0);
if (size < 0) {
- if (size == -ENODATA || size == -ENOSYS) {
- set_cached_acl(inode, type, NULL);
+ if (size == -ENODATA || size == -ENOSYS)
return NULL;
- }
return ERR_PTR(size);
}
@@ -220,8 +218,6 @@ struct posix_acl *reiserfs_get_acl(struct inode *inode, int type)
} else {
acl = reiserfs_posix_acl_from_disk(value, retval);
}
- if (!IS_ERR(acl))
- set_cached_acl(inode, type, acl);
kfree(value);
return acl;
@@ -370,7 +366,7 @@ int reiserfs_cache_default_acl(struct inode *inode)
if (IS_PRIVATE(inode))
return 0;
- acl = reiserfs_get_acl(inode, ACL_TYPE_DEFAULT);
+ acl = get_acl(inode, ACL_TYPE_DEFAULT);
if (acl && !IS_ERR(acl)) {
int size = reiserfs_acl_size(acl->a_count);
diff --git a/fs/reiserfs/xattr_security.c b/fs/reiserfs/xattr_security.c
index ab0217d32039..86aeb9dd805a 100644
--- a/fs/reiserfs/xattr_security.c
+++ b/fs/reiserfs/xattr_security.c
@@ -9,29 +9,26 @@
#include <linux/uaccess.h>
static int
-security_get(const struct xattr_handler *handler, struct dentry *dentry,
- const char *name, void *buffer, size_t size)
+security_get(const struct xattr_handler *handler, struct dentry *unused,
+ struct inode *inode, const char *name, void *buffer, size_t size)
{
- if (strlen(name) < sizeof(XATTR_SECURITY_PREFIX))
- return -EINVAL;
-
- if (IS_PRIVATE(d_inode(dentry)))
+ if (IS_PRIVATE(inode))
return -EPERM;
- return reiserfs_xattr_get(d_inode(dentry), name, buffer, size);
+ return reiserfs_xattr_get(inode, xattr_full_name(handler, name),
+ buffer, size);
}
static int
security_set(const struct xattr_handler *handler, struct dentry *dentry,
const char *name, const void *buffer, size_t size, int flags)
{
- if (strlen(name) < sizeof(XATTR_SECURITY_PREFIX))
- return -EINVAL;
-
if (IS_PRIVATE(d_inode(dentry)))
return -EPERM;
- return reiserfs_xattr_set(d_inode(dentry), name, buffer, size, flags);
+ return reiserfs_xattr_set(d_inode(dentry),
+ xattr_full_name(handler, name),
+ buffer, size, flags);
}
static bool security_list(struct dentry *dentry)
diff --git a/fs/reiserfs/xattr_trusted.c b/fs/reiserfs/xattr_trusted.c
index 64b67aa643a9..31837f031f59 100644
--- a/fs/reiserfs/xattr_trusted.c
+++ b/fs/reiserfs/xattr_trusted.c
@@ -8,29 +8,26 @@
#include <linux/uaccess.h>
static int
-trusted_get(const struct xattr_handler *handler, struct dentry *dentry,
- const char *name, void *buffer, size_t size)
+trusted_get(const struct xattr_handler *handler, struct dentry *unused,
+ struct inode *inode, const char *name, void *buffer, size_t size)
{
- if (strlen(name) < sizeof(XATTR_TRUSTED_PREFIX))
- return -EINVAL;
-
- if (!capable(CAP_SYS_ADMIN) || IS_PRIVATE(d_inode(dentry)))
+ if (!capable(CAP_SYS_ADMIN) || IS_PRIVATE(inode))
return -EPERM;
- return reiserfs_xattr_get(d_inode(dentry), name, buffer, size);
+ return reiserfs_xattr_get(inode, xattr_full_name(handler, name),
+ buffer, size);
}
static int
trusted_set(const struct xattr_handler *handler, struct dentry *dentry,
const char *name, const void *buffer, size_t size, int flags)
{
- if (strlen(name) < sizeof(XATTR_TRUSTED_PREFIX))
- return -EINVAL;
-
if (!capable(CAP_SYS_ADMIN) || IS_PRIVATE(d_inode(dentry)))
return -EPERM;
- return reiserfs_xattr_set(d_inode(dentry), name, buffer, size, flags);
+ return reiserfs_xattr_set(d_inode(dentry),
+ xattr_full_name(handler, name),
+ buffer, size, flags);
}
static bool trusted_list(struct dentry *dentry)
diff --git a/fs/reiserfs/xattr_user.c b/fs/reiserfs/xattr_user.c
index 12e6306f562a..f7c39731684b 100644
--- a/fs/reiserfs/xattr_user.c
+++ b/fs/reiserfs/xattr_user.c
@@ -7,27 +7,24 @@
#include <linux/uaccess.h>
static int
-user_get(const struct xattr_handler *handler, struct dentry *dentry,
- const char *name, void *buffer, size_t size)
+user_get(const struct xattr_handler *handler, struct dentry *unused,
+ struct inode *inode, const char *name, void *buffer, size_t size)
{
-
- if (strlen(name) < sizeof(XATTR_USER_PREFIX))
- return -EINVAL;
- if (!reiserfs_xattrs_user(dentry->d_sb))
+ if (!reiserfs_xattrs_user(inode->i_sb))
return -EOPNOTSUPP;
- return reiserfs_xattr_get(d_inode(dentry), name, buffer, size);
+ return reiserfs_xattr_get(inode, xattr_full_name(handler, name),
+ buffer, size);
}
static int
user_set(const struct xattr_handler *handler, struct dentry *dentry,
const char *name, const void *buffer, size_t size, int flags)
{
- if (strlen(name) < sizeof(XATTR_USER_PREFIX))
- return -EINVAL;
-
if (!reiserfs_xattrs_user(dentry->d_sb))
return -EOPNOTSUPP;
- return reiserfs_xattr_set(d_inode(dentry), name, buffer, size, flags);
+ return reiserfs_xattr_set(d_inode(dentry),
+ xattr_full_name(handler, name),
+ buffer, size, flags);
}
static bool user_list(struct dentry *dentry)
diff --git a/fs/squashfs/xattr.c b/fs/squashfs/xattr.c
index 1e9de96288d8..1548b3784548 100644
--- a/fs/squashfs/xattr.c
+++ b/fs/squashfs/xattr.c
@@ -214,10 +214,12 @@ failed:
static int squashfs_xattr_handler_get(const struct xattr_handler *handler,
- struct dentry *d, const char *name,
+ struct dentry *unused,
+ struct inode *inode,
+ const char *name,
void *buffer, size_t size)
{
- return squashfs_xattr_get(d_inode(d), handler->flags, name,
+ return squashfs_xattr_get(inode, handler->flags, name,
buffer, size);
}
diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h
index 4cd7e569cd00..12e79e60c176 100644
--- a/fs/ubifs/ubifs.h
+++ b/fs/ubifs/ubifs.h
@@ -1734,8 +1734,8 @@ int ubifs_getattr(struct vfsmount *mnt, struct dentry *dentry,
/* xattr.c */
int ubifs_setxattr(struct dentry *dentry, const char *name,
const void *value, size_t size, int flags);
-ssize_t ubifs_getxattr(struct dentry *dentry, const char *name, void *buf,
- size_t size);
+ssize_t ubifs_getxattr(struct dentry *dentry, struct inode *host,
+ const char *name, void *buf, size_t size);
ssize_t ubifs_listxattr(struct dentry *dentry, char *buffer, size_t size);
int ubifs_removexattr(struct dentry *dentry, const char *name);
int ubifs_init_security(struct inode *dentry, struct inode *inode,
diff --git a/fs/ubifs/xattr.c b/fs/ubifs/xattr.c
index b043e044121d..413d650c9476 100644
--- a/fs/ubifs/xattr.c
+++ b/fs/ubifs/xattr.c
@@ -372,10 +372,10 @@ int ubifs_setxattr(struct dentry *dentry, const char *name,
return setxattr(d_inode(dentry), name, value, size, flags);
}
-ssize_t ubifs_getxattr(struct dentry *dentry, const char *name, void *buf,
- size_t size)
+ssize_t ubifs_getxattr(struct dentry *dentry, struct inode *host,
+ const char *name, void *buf, size_t size)
{
- struct inode *inode, *host = d_inode(dentry);
+ struct inode *inode;
struct ubifs_info *c = host->i_sb->s_fs_info;
struct qstr nm = QSTR_INIT(name, strlen(name));
struct ubifs_inode *ui;
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index a2ba11eca995..c3e5c9679371 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -1250,7 +1250,7 @@ static struct dentry *udf_get_parent(struct dentry *child)
brelse(fibh.sbh);
tloc = lelb_to_cpu(cfi.icb.extLocation);
- inode = udf_iget(d_inode(child)->i_sb, &tloc);
+ inode = udf_iget(child->d_sb, &tloc);
if (IS_ERR(inode))
return ERR_CAST(inode);
diff --git a/fs/ufs/super.c b/fs/ufs/super.c
index 442fd52ebffe..f04ab232d08d 100644
--- a/fs/ufs/super.c
+++ b/fs/ufs/super.c
@@ -132,7 +132,7 @@ static struct dentry *ufs_get_parent(struct dentry *child)
ino = ufs_inode_by_name(d_inode(child), &dot_dot);
if (!ino)
return ERR_PTR(-ENOENT);
- return d_obtain_alias(ufs_iget(d_inode(child)->i_sb, ino));
+ return d_obtain_alias(ufs_iget(child->d_sb, ino));
}
static const struct export_operations ufs_export_ops = {
diff --git a/fs/xattr.c b/fs/xattr.c
index 4861322e28e8..b11945e15fde 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -192,7 +192,7 @@ vfs_getxattr_alloc(struct dentry *dentry, const char *name, char **xattr_value,
if (!inode->i_op->getxattr)
return -EOPNOTSUPP;
- error = inode->i_op->getxattr(dentry, name, NULL, 0);
+ error = inode->i_op->getxattr(dentry, inode, name, NULL, 0);
if (error < 0)
return error;
@@ -203,7 +203,7 @@ vfs_getxattr_alloc(struct dentry *dentry, const char *name, char **xattr_value,
memset(value, 0, error + 1);
}
- error = inode->i_op->getxattr(dentry, name, value, error);
+ error = inode->i_op->getxattr(dentry, inode, name, value, error);
*xattr_value = value;
return error;
}
@@ -236,7 +236,7 @@ vfs_getxattr(struct dentry *dentry, const char *name, void *value, size_t size)
}
nolsm:
if (inode->i_op->getxattr)
- error = inode->i_op->getxattr(dentry, name, value, size);
+ error = inode->i_op->getxattr(dentry, inode, name, value, size);
else
error = -EOPNOTSUPP;
@@ -691,14 +691,16 @@ xattr_resolve_name(const struct xattr_handler **handlers, const char **name)
* Find the handler for the prefix and dispatch its get() operation.
*/
ssize_t
-generic_getxattr(struct dentry *dentry, const char *name, void *buffer, size_t size)
+generic_getxattr(struct dentry *dentry, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
const struct xattr_handler *handler;
handler = xattr_resolve_name(dentry->d_sb->s_xattr, &name);
if (IS_ERR(handler))
return PTR_ERR(handler);
- return handler->get(handler, dentry, name, buffer, size);
+ return handler->get(handler, dentry, inode,
+ name, buffer, size);
}
/*
diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c
index 2d5df1f23bbc..b6e527b8eccb 100644
--- a/fs/xfs/xfs_acl.c
+++ b/fs/xfs/xfs_acl.c
@@ -158,22 +158,14 @@ xfs_get_acl(struct inode *inode, int type)
if (error) {
/*
* If the attribute doesn't exist make sure we have a negative
- * cache entry, for any other error assume it is transient and
- * leave the cache entry as ACL_NOT_CACHED.
+ * cache entry, for any other error assume it is transient.
*/
- if (error == -ENOATTR)
- goto out_update_cache;
- acl = ERR_PTR(error);
- goto out;
+ if (error != -ENOATTR)
+ acl = ERR_PTR(error);
+ } else {
+ acl = xfs_acl_from_disk(xfs_acl, len,
+ XFS_ACL_MAX_ENTRIES(ip->i_mount));
}
-
- acl = xfs_acl_from_disk(xfs_acl, len, XFS_ACL_MAX_ENTRIES(ip->i_mount));
- if (IS_ERR(acl))
- goto out;
-
-out_update_cache:
- set_cached_acl(inode, type, acl);
-out:
kmem_free(xfs_acl);
return acl;
}
diff --git a/fs/xfs/xfs_xattr.c b/fs/xfs/xfs_xattr.c
index 110f1d7d86b0..d111f691f313 100644
--- a/fs/xfs/xfs_xattr.c
+++ b/fs/xfs/xfs_xattr.c
@@ -32,11 +32,11 @@
static int
-xfs_xattr_get(const struct xattr_handler *handler, struct dentry *dentry,
- const char *name, void *value, size_t size)
+xfs_xattr_get(const struct xattr_handler *handler, struct dentry *unused,
+ struct inode *inode, const char *name, void *value, size_t size)
{
int xflags = handler->flags;
- struct xfs_inode *ip = XFS_I(d_inode(dentry));
+ struct xfs_inode *ip = XFS_I(inode);
int error, asize = size;
/* Convert Linux syscall to XFS internal ATTR flags */
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 70e61b58baaf..6d0fa9174a24 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -577,6 +577,18 @@ static inline void mapping_allow_writable(struct address_space *mapping)
struct posix_acl;
#define ACL_NOT_CACHED ((void *)(-1))
+static inline struct posix_acl *
+uncached_acl_sentinel(struct task_struct *task)
+{
+ return (void *)task + 1;
+}
+
+static inline bool
+is_uncached_acl(struct posix_acl *acl)
+{
+ return (long)acl & 1;
+}
+
#define IOP_FASTPERM 0x0001
#define IOP_LOOKUP 0x0002
#define IOP_NOFOLLOW 0x0004
@@ -1700,7 +1712,8 @@ struct inode_operations {
int (*setattr) (struct dentry *, struct iattr *);
int (*getattr) (struct vfsmount *mnt, struct dentry *, struct kstat *);
int (*setxattr) (struct dentry *, const char *,const void *,size_t,int);
- ssize_t (*getxattr) (struct dentry *, const char *, void *, size_t);
+ ssize_t (*getxattr) (struct dentry *, struct inode *,
+ const char *, void *, size_t);
ssize_t (*listxattr) (struct dentry *, char *, size_t);
int (*removexattr) (struct dentry *, const char *);
int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start,
diff --git a/include/linux/posix_acl.h b/include/linux/posix_acl.h
index 3e96a6a76103..5b5a80cc5926 100644
--- a/include/linux/posix_acl.h
+++ b/include/linux/posix_acl.h
@@ -99,7 +99,6 @@ extern int posix_acl_create(struct inode *, umode_t *, struct posix_acl **,
extern int simple_set_acl(struct inode *, struct posix_acl *, int);
extern int simple_acl_create(struct inode *, struct inode *);
-struct posix_acl **acl_by_type(struct inode *inode, int type);
struct posix_acl *get_cached_acl(struct inode *inode, int type);
struct posix_acl *get_cached_acl_rcu(struct inode *inode, int type);
void set_cached_acl(struct inode *inode, int type, struct posix_acl *acl);
diff --git a/include/linux/xattr.h b/include/linux/xattr.h
index 4457541de3c9..1cc4c578deb9 100644
--- a/include/linux/xattr.h
+++ b/include/linux/xattr.h
@@ -30,7 +30,8 @@ struct xattr_handler {
int flags; /* fs private flags */
bool (*list)(struct dentry *dentry);
int (*get)(const struct xattr_handler *, struct dentry *dentry,
- const char *name, void *buffer, size_t size);
+ struct inode *inode, const char *name, void *buffer,
+ size_t size);
int (*set)(const struct xattr_handler *, struct dentry *dentry,
const char *name, const void *buffer, size_t size,
int flags);
@@ -51,7 +52,7 @@ int __vfs_setxattr_noperm(struct dentry *, const char *, const void *, size_t, i
int vfs_setxattr(struct dentry *, const char *, const void *, size_t, int);
int vfs_removexattr(struct dentry *, const char *);
-ssize_t generic_getxattr(struct dentry *dentry, const char *name, void *buffer, size_t size);
+ssize_t generic_getxattr(struct dentry *dentry, struct inode *inode, const char *name, void *buffer, size_t size);
ssize_t generic_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size);
int generic_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags);
int generic_removexattr(struct dentry *dentry, const char *name);
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 4e4b2fa78609..09c71e9aaebf 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -872,7 +872,7 @@ TRACE_EVENT(ext4_sync_file_enter,
TP_fast_assign(
struct dentry *dentry = file->f_path.dentry;
- __entry->dev = d_inode(dentry)->i_sb->s_dev;
+ __entry->dev = dentry->d_sb->s_dev;
__entry->ino = d_inode(dentry)->i_ino;
__entry->datasync = datasync;
__entry->parent = d_inode(dentry->d_parent)->i_ino;
@@ -1451,7 +1451,7 @@ TRACE_EVENT(ext4_unlink_enter,
),
TP_fast_assign(
- __entry->dev = d_inode(dentry)->i_sb->s_dev;
+ __entry->dev = dentry->d_sb->s_dev;
__entry->ino = d_inode(dentry)->i_ino;
__entry->parent = parent->i_ino;
__entry->size = d_inode(dentry)->i_size;
@@ -1475,7 +1475,7 @@ TRACE_EVENT(ext4_unlink_exit,
),
TP_fast_assign(
- __entry->dev = d_inode(dentry)->i_sb->s_dev;
+ __entry->dev = dentry->d_sb->s_dev;
__entry->ino = d_inode(dentry)->i_ino;
__entry->ret = ret;
),
diff --git a/kernel/audit_watch.c b/kernel/audit_watch.c
index 3cf1c5978d39..d6709eb70970 100644
--- a/kernel/audit_watch.c
+++ b/kernel/audit_watch.c
@@ -367,7 +367,7 @@ static int audit_get_nd(struct audit_watch *watch, struct path *parent)
inode_unlock(d_backing_inode(parent->dentry));
if (d_is_positive(d)) {
/* update watch filter fields */
- watch->dev = d_backing_inode(d)->i_sb->s_dev;
+ watch->dev = d->d_sb->s_dev;
watch->ino = d_backing_inode(d)->i_ino;
}
dput(d);
diff --git a/mm/shmem.c b/mm/shmem.c
index 719bd6b88d98..4640699b209b 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2646,10 +2646,10 @@ static int shmem_initxattrs(struct inode *inode,
}
static int shmem_xattr_handler_get(const struct xattr_handler *handler,
- struct dentry *dentry, const char *name,
- void *buffer, size_t size)
+ struct dentry *unused, struct inode *inode,
+ const char *name, void *buffer, size_t size)
{
- struct shmem_inode_info *info = SHMEM_I(d_inode(dentry));
+ struct shmem_inode_info *info = SHMEM_I(inode);
name = xattr_full_name(handler, name);
return simple_xattr_get(&info->xattrs, name, buffer, size);
diff --git a/net/socket.c b/net/socket.c
index 5f77a8e93830..35e4523edada 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -466,7 +466,7 @@ static struct socket *sockfd_lookup_light(int fd, int *err, int *fput_needed)
#define XATTR_SOCKPROTONAME_SUFFIX "sockprotoname"
#define XATTR_NAME_SOCKPROTONAME (XATTR_SYSTEM_PREFIX XATTR_SOCKPROTONAME_SUFFIX)
#define XATTR_NAME_SOCKPROTONAME_LEN (sizeof(XATTR_NAME_SOCKPROTONAME)-1)
-static ssize_t sockfs_getxattr(struct dentry *dentry,
+static ssize_t sockfs_getxattr(struct dentry *dentry, struct inode *inode,
const char *name, void *value, size_t size)
{
const char *proto_name;
diff --git a/security/commoncap.c b/security/commoncap.c
index 48071ed7c445..a042077312a5 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -313,7 +313,7 @@ int cap_inode_need_killpriv(struct dentry *dentry)
if (!inode->i_op->getxattr)
return 0;
- error = inode->i_op->getxattr(dentry, XATTR_NAME_CAPS, NULL, 0);
+ error = inode->i_op->getxattr(dentry, inode, XATTR_NAME_CAPS, NULL, 0);
if (error <= 0)
return 0;
return 1;
@@ -397,8 +397,8 @@ int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data
if (!inode || !inode->i_op->getxattr)
return -ENODATA;
- size = inode->i_op->getxattr((struct dentry *)dentry, XATTR_NAME_CAPS, &caps,
- XATTR_CAPS_SZ);
+ size = inode->i_op->getxattr((struct dentry *)dentry, inode,
+ XATTR_NAME_CAPS, &caps, XATTR_CAPS_SZ);
if (size == -ENODATA || size == -EOPNOTSUPP)
/* no data, that's ok */
return -ENODATA;
diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c
index e6ea9d4b1de9..b9e26288d30c 100644
--- a/security/integrity/evm/evm_main.c
+++ b/security/integrity/evm/evm_main.c
@@ -82,7 +82,7 @@ static int evm_find_protected_xattrs(struct dentry *dentry)
return -EOPNOTSUPP;
for (xattr = evm_config_xattrnames; *xattr != NULL; xattr++) {
- error = inode->i_op->getxattr(dentry, *xattr, NULL, 0);
+ error = inode->i_op->getxattr(dentry, inode, *xattr, NULL, 0);
if (error < 0) {
if (error == -ENODATA)
continue;
@@ -299,8 +299,8 @@ static int evm_protect_xattr(struct dentry *dentry, const char *xattr_name,
return 0;
/* exception for pseudo filesystems */
- if (dentry->d_inode->i_sb->s_magic == TMPFS_MAGIC
- || dentry->d_inode->i_sb->s_magic == SYSFS_MAGIC)
+ if (dentry->d_sb->s_magic == TMPFS_MAGIC
+ || dentry->d_sb->s_magic == SYSFS_MAGIC)
return 0;
integrity_audit_msg(AUDIT_INTEGRITY_METADATA,
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 912deee3f01e..469f5c75bd4b 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -506,7 +506,8 @@ static int sb_finish_set_opts(struct super_block *sb)
rc = -EOPNOTSUPP;
goto out;
}
- rc = root_inode->i_op->getxattr(root, XATTR_NAME_SELINUX, NULL, 0);
+ rc = root_inode->i_op->getxattr(root, root_inode,
+ XATTR_NAME_SELINUX, NULL, 0);
if (rc < 0 && rc != -ENODATA) {
if (rc == -EOPNOTSUPP)
printk(KERN_WARNING "SELinux: (dev %s, type "
@@ -1316,7 +1317,7 @@ static int selinux_genfs_get_sid(struct dentry *dentry,
u32 *sid)
{
int rc;
- struct super_block *sb = dentry->d_inode->i_sb;
+ struct super_block *sb = dentry->d_sb;
char *buffer, *path;
buffer = (char *)__get_free_page(GFP_KERNEL);
@@ -1412,13 +1413,13 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent
goto out_unlock;
}
context[len] = '\0';
- rc = inode->i_op->getxattr(dentry, XATTR_NAME_SELINUX,
+ rc = inode->i_op->getxattr(dentry, inode, XATTR_NAME_SELINUX,
context, len);
if (rc == -ERANGE) {
kfree(context);
/* Need a larger buffer. Query for the right size. */
- rc = inode->i_op->getxattr(dentry, XATTR_NAME_SELINUX,
+ rc = inode->i_op->getxattr(dentry, inode, XATTR_NAME_SELINUX,
NULL, 0);
if (rc < 0) {
dput(dentry);
@@ -1432,7 +1433,7 @@ static int inode_doinit_with_dentry(struct inode *inode, struct dentry *opt_dent
goto out_unlock;
}
context[len] = '\0';
- rc = inode->i_op->getxattr(dentry,
+ rc = inode->i_op->getxattr(dentry, inode,
XATTR_NAME_SELINUX,
context, len);
}
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index 11f79013ae1f..ff2b8c3cf7a9 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -272,7 +272,7 @@ static struct smack_known *smk_fetch(const char *name, struct inode *ip,
if (buffer == NULL)
return ERR_PTR(-ENOMEM);
- rc = ip->i_op->getxattr(dp, name, buffer, SMK_LONGLABEL);
+ rc = ip->i_op->getxattr(dp, ip, name, buffer, SMK_LONGLABEL);
if (rc < 0)
skp = ERR_PTR(rc);
else if (rc == 0)
@@ -1444,7 +1444,7 @@ static int smack_inode_removexattr(struct dentry *dentry, const char *name)
* XATTR_NAME_SMACKIPOUT
*/
if (strcmp(name, XATTR_NAME_SMACK) == 0) {
- struct super_block *sbp = d_backing_inode(dentry)->i_sb;
+ struct super_block *sbp = dentry->d_sb;
struct superblock_smack *sbsp = sbp->s_security;
isp->smk_inode = sbsp->smk_default;
@@ -3519,7 +3519,7 @@ static void smack_d_instantiate(struct dentry *opt_dentry, struct inode *inode)
TRANS_TRUE, TRANS_TRUE_SIZE,
0);
} else {
- rc = inode->i_op->getxattr(dp,
+ rc = inode->i_op->getxattr(dp, inode,
XATTR_NAME_SMACKTRANSMUTE, trattr,
TRANS_TRUE_SIZE);
if (rc >= 0 && strncmp(trattr, TRANS_TRUE,