Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6:
  fs: brlock vfsmount_lock
  fs: scale files_lock
  lglock: introduce special lglock and brlock spin locks
  tty: fix fu_list abuse
  fs: cleanup files_lock locking
  fs: remove extra lookup in __lookup_hash
  fs: fs_struct rwlock to spinlock
  apparmor: use task path helpers
  fs: dentry allocation consolidation
  fs: fix do_lookup false negative
  mbcache: Limit the maximum number of cache entries
  hostfs ->follow_link() braino
  hostfs: dumb (and usually harmless) tpyo - strncpy instead of strlcpy
  remove SWRITE* I/O types
  kill BH_Ordered flag
  vfs: update ctime when changing the file's permission by setfacl
  cramfs: only unlock new inodes
  fix reiserfs_evict_inode end_writeback second call

1 files changed, 7 insertions, 7 deletions

diff --git a/include/linux/fs_struct.h b/include/linux/fs_struct.h
index eca3d5202138..a42b5bf02f8b 100644
--- a/include/linux/fs_struct.h
+++ b/include/linux/fs_struct.h
@@ -5,7 +5,7 @@
 
 struct fs_struct {
         int users;
-        rwlock_t lock;
+        spinlock_t lock;
         int umask;
         int in_exec;
         struct path root, pwd;
@@ -23,29 +23,29 @@ extern int unshare_fs_struct(void);
 
 static inline void get_fs_root(struct fs_struct *fs, struct path *root)
 {
-        read_lock(&fs->lock);
+        spin_lock(&fs->lock);
         *root = fs->root;
         path_get(root);
-        read_unlock(&fs->lock);
+        spin_unlock(&fs->lock);
 }
 
 static inline void get_fs_pwd(struct fs_struct *fs, struct path *pwd)
 {
-        read_lock(&fs->lock);
+        spin_lock(&fs->lock);
         *pwd = fs->pwd;
         path_get(pwd);
-        read_unlock(&fs->lock);
+        spin_unlock(&fs->lock);
 }
 
 static inline void get_fs_root_and_pwd(struct fs_struct *fs, struct path *root,
                                        struct path *pwd)
 {
-        read_lock(&fs->lock);
+        spin_lock(&fs->lock);
         *root = fs->root;
         path_get(root);
         *pwd = fs->pwd;
         path_get(pwd);
-        read_unlock(&fs->lock);
+        spin_unlock(&fs->lock);
 }
 
 #endif /* _LINUX_FS_STRUCT_H */