Merge tag 'perf-urgent-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git...

[platform/adaptation/renesas_rcar/renesas_kernel.git] / fs / reiserfs / reiserfs.h

diff --git a/fs/reiserfs/reiserfs.h b/fs/reiserfs/reiserfs.h
index 3df5ce6..f8adaee 100644 (file)
--- a/fs/reiserfs/reiserfs.h
+++ b/fs/reiserfs/reiserfs.h
@@ -630,8 +630,8 @@ static inline int __reiserfs_is_journal_aborted(struct reiserfs_journal
  */
 void reiserfs_write_lock(struct super_block *s);
 void reiserfs_write_unlock(struct super_block *s);
-int reiserfs_write_lock_once(struct super_block *s);
-void reiserfs_write_unlock_once(struct super_block *s, int lock_depth);
+int __must_check reiserfs_write_unlock_nested(struct super_block *s);
+void reiserfs_write_lock_nested(struct super_block *s, int depth);
 
 #ifdef CONFIG_REISERFS_CHECK
 void reiserfs_lock_check_recursive(struct super_block *s);
@@ -667,31 +667,33 @@ static inline void reiserfs_lock_check_recursive(struct super_block *s) { }
  * - The inode mutex
  */
 static inline void reiserfs_mutex_lock_safe(struct mutex *m,
-                              struct super_block *s)
+                                           struct super_block *s)
 {
-       reiserfs_lock_check_recursive(s);
-       reiserfs_write_unlock(s);
+       int depth;
+
+       depth = reiserfs_write_unlock_nested(s);
        mutex_lock(m);
-       reiserfs_write_lock(s);
+       reiserfs_write_lock_nested(s, depth);
 }
 
 static inline void
 reiserfs_mutex_lock_nested_safe(struct mutex *m, unsigned int subclass,
-                              struct super_block *s)
+                               struct super_block *s)
 {
-       reiserfs_lock_check_recursive(s);
-       reiserfs_write_unlock(s);
+       int depth;
+
+       depth = reiserfs_write_unlock_nested(s);
        mutex_lock_nested(m, subclass);
-       reiserfs_write_lock(s);
+       reiserfs_write_lock_nested(s, depth);
 }
 
 static inline void
 reiserfs_down_read_safe(struct rw_semaphore *sem, struct super_block *s)
 {
-       reiserfs_lock_check_recursive(s);
-       reiserfs_write_unlock(s);
-       down_read(sem);
-       reiserfs_write_lock(s);
+       int depth;
+       depth = reiserfs_write_unlock_nested(s);
+       down_read(sem);
+       reiserfs_write_lock_nested(s, depth);
 }
 
 /*
@@ -701,9 +703,11 @@ reiserfs_down_read_safe(struct rw_semaphore *sem, struct super_block *s)
 static inline void reiserfs_cond_resched(struct super_block *s)
 {
        if (need_resched()) {
-               reiserfs_write_unlock(s);
+               int depth;
+
+               depth = reiserfs_write_unlock_nested(s);
                schedule();
-               reiserfs_write_lock(s);
+               reiserfs_write_lock_nested(s, depth);
        }
 }