reiserfs: eliminate per-super xattr lock

With the switch to using inode->i_mutex locking during lookups/creation
in the xattr root, the per-super xattr lock is no longer needed.

This patch removes it.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

3 files changed, 5 insertions, 29 deletions

diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h
index 6c4af98b6767..e00d240314c5 100644
--- a/include/linux/reiserfs_fs.h
+++ b/include/linux/reiserfs_fs.h
@@ -2224,7 +2224,4 @@ int reiserfs_unpack(struct inode *inode, struct file *filp);
 #define reiserfs_write_lock( sb ) lock_kernel()
 #define reiserfs_write_unlock( sb ) unlock_kernel()
 
-/* xattr stuff */
-#define REISERFS_XATTR_DIR_SEM(s) (REISERFS_SB(s)->xattr_dir_sem)
-
 #endif                          /* _LINUX_REISER_FS_H */
diff --git a/include/linux/reiserfs_fs_sb.h b/include/linux/reiserfs_fs_sb.h
index cbb8868e844e..c8aee41ccc23 100644
--- a/include/linux/reiserfs_fs_sb.h
+++ b/include/linux/reiserfs_fs_sb.h
@@ -403,9 +403,6 @@ struct reiserfs_sb_info {
         spinlock_t bitmap_lock; /* this lock on now only used to protect reserved_blocks variable */
         struct dentry *priv_root;       /* root of /.reiserfs_priv */
         struct dentry *xattr_root;      /* root of /.reiserfs_priv/.xa */
-#ifdef CONFIG_REISERFS_FS_XATTR
-        struct rw_semaphore xattr_dir_sem;
-#endif
         int j_errno;
 #ifdef CONFIG_QUOTA
         char *s_qf_names[MAXQUOTAS];
diff --git a/include/linux/reiserfs_xattr.h b/include/linux/reiserfs_xattr.h
index 13cdd5e1cb60..65c16fa51246 100644
--- a/include/linux/reiserfs_xattr.h
+++ b/include/linux/reiserfs_xattr.h
@@ -67,45 +67,27 @@ extern struct reiserfs_xattr_handler user_handler;
 extern struct reiserfs_xattr_handler trusted_handler;
 extern struct reiserfs_xattr_handler security_handler;
 
-static inline void reiserfs_write_lock_xattrs(struct super_block *sb)
-{
-        down_write(&REISERFS_XATTR_DIR_SEM(sb));
-}
-static inline void reiserfs_write_unlock_xattrs(struct super_block *sb)
-{
-        up_write(&REISERFS_XATTR_DIR_SEM(sb));
-}
-static inline void reiserfs_read_lock_xattrs(struct super_block *sb)
-{
-        down_read(&REISERFS_XATTR_DIR_SEM(sb));
-}
-
-static inline void reiserfs_read_unlock_xattrs(struct super_block *sb)
-{
-        up_read(&REISERFS_XATTR_DIR_SEM(sb));
-}
-
 static inline void reiserfs_write_lock_xattr_i(struct inode *inode)
 {
-        down_write(&REISERFS_I(inode)->xattr_sem);
+        down_write(&REISERFS_I(inode)->i_xattr_sem);
 }
 static inline void reiserfs_write_unlock_xattr_i(struct inode *inode)
 {
-        up_write(&REISERFS_I(inode)->xattr_sem);
+        up_write(&REISERFS_I(inode)->i_xattr_sem);
 }
 static inline void reiserfs_read_lock_xattr_i(struct inode *inode)
 {
-        down_read(&REISERFS_I(inode)->xattr_sem);
+        down_read(&REISERFS_I(inode)->i_xattr_sem);
 }
 
 static inline void reiserfs_read_unlock_xattr_i(struct inode *inode)
 {
-        up_read(&REISERFS_I(inode)->xattr_sem);
+        up_read(&REISERFS_I(inode)->i_xattr_sem);
 }
 
 static inline void reiserfs_init_xattr_rwsem(struct inode *inode)
 {
-        init_rwsem(&REISERFS_I(inode)->xattr_sem);
+        init_rwsem(&REISERFS_I(inode)->i_xattr_sem);
 }
 
 #else