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authorJeff Mahoney <jeffm@suse.com>2009-05-17 07:02:03 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2009-05-17 20:45:45 +0200
commitb83674c0da6558e357c6b482ccf299eeea77d8ef (patch)
tree22f71c1f3f099887b53884a9cabbb6aaeb3bc0a6
parentreiserfs: deal with NULL xattr root w/ xattrs disabled (diff)
downloadlinux-b83674c0da6558e357c6b482ccf299eeea77d8ef.tar.xz
linux-b83674c0da6558e357c6b482ccf299eeea77d8ef.zip
reiserfs: fixup perms when xattrs are disabled
This adds CONFIG_REISERFS_FS_XATTR protection from reiserfs_permission. This is needed to avoid warnings during file deletions and chowns with xattrs disabled. Signed-off-by: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--fs/reiserfs/xattr.c36
-rw-r--r--include/linux/reiserfs_xattr.h4
2 files changed, 20 insertions, 20 deletions
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index 628075ca82c1..8e7deb0e6964 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -871,23 +871,6 @@ static int reiserfs_check_acl(struct inode *inode, int mask)
return error;
}
-int reiserfs_permission(struct inode *inode, int mask)
-{
- /*
- * We don't do permission checks on the internal objects.
- * Permissions are determined by the "owning" object.
- */
- if (IS_PRIVATE(inode))
- return 0;
- /*
- * Stat data v1 doesn't support ACLs.
- */
- if (get_inode_sd_version(inode) == STAT_DATA_V1)
- return generic_permission(inode, mask, NULL);
- else
- return generic_permission(inode, mask, reiserfs_check_acl);
-}
-
static int create_privroot(struct dentry *dentry)
{
int err;
@@ -951,6 +934,25 @@ static int xattr_mount_check(struct super_block *s)
return 0;
}
+int reiserfs_permission(struct inode *inode, int mask)
+{
+ /*
+ * We don't do permission checks on the internal objects.
+ * Permissions are determined by the "owning" object.
+ */
+ if (IS_PRIVATE(inode))
+ return 0;
+
+#ifdef CONFIG_REISERFS_FS_XATTR
+ /*
+ * Stat data v1 doesn't support ACLs.
+ */
+ if (get_inode_sd_version(inode) != STAT_DATA_V1)
+ return generic_permission(inode, mask, reiserfs_check_acl);
+#endif
+ return generic_permission(inode, mask, NULL);
+}
+
/* This will catch lookups from the fs root to .reiserfs_priv */
static int
xattr_lookup_poison(struct dentry *dentry, struct qstr *q1, struct qstr *name)
diff --git a/include/linux/reiserfs_xattr.h b/include/linux/reiserfs_xattr.h
index cdedc01036e4..99928dce37ea 100644
--- a/include/linux/reiserfs_xattr.h
+++ b/include/linux/reiserfs_xattr.h
@@ -41,6 +41,7 @@ int reiserfs_xattr_init(struct super_block *sb, int mount_flags);
int reiserfs_lookup_privroot(struct super_block *sb);
int reiserfs_delete_xattrs(struct inode *inode);
int reiserfs_chown_xattrs(struct inode *inode, struct iattr *attrs);
+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)
@@ -50,7 +51,6 @@ 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_permission(struct inode *inode, int mask);
int reiserfs_xattr_get(struct inode *, const char *, void *, size_t);
int reiserfs_xattr_set(struct inode *, const char *, const void *, size_t, int);
@@ -117,8 +117,6 @@ static inline void reiserfs_init_xattr_rwsem(struct inode *inode)
#define reiserfs_listxattr NULL
#define reiserfs_removexattr NULL
-#define reiserfs_permission NULL
-
static inline void reiserfs_init_xattr_rwsem(struct inode *inode)
{
}