diff options
author | Takashi Iwai <tiwai@suse.de> | 2010-01-19 15:53:43 +0100 |
---|---|---|
committer | Takashi Iwai <tiwai@suse.de> | 2010-01-19 15:53:43 +0100 |
commit | 9e4c84967ef027fe50a03cf48dd6da9519c8e60c (patch) | |
tree | 21d6b8168670f22521f3bb703e3b9d1932566c1c /include/linux/reiserfs_fs.h | |
parent | d2f2fcd2541bae004db7f4798ffd9d2cb75ae817 (diff) | |
parent | 3fb4a508b8e7957aa899f32cd6d9d462e102c7ca (diff) |
Merge branch 'fix/hda' into topic/hda
Conflicts:
sound/pci/hda/patch_realtek.c
Diffstat (limited to 'include/linux/reiserfs_fs.h')
-rw-r--r-- | include/linux/reiserfs_fs.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h index c96c1858fe2c..1ba3cf6edfbb 100644 --- a/include/linux/reiserfs_fs.h +++ b/include/linux/reiserfs_fs.h @@ -62,6 +62,12 @@ 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); +#ifdef CONFIG_REISERFS_CHECK +void reiserfs_lock_check_recursive(struct super_block *s); +#else +static inline void reiserfs_lock_check_recursive(struct super_block *s) { } +#endif + /* * Several mutexes depend on the write lock. * However sometimes we want to relax the write lock while we hold @@ -92,11 +98,31 @@ void reiserfs_write_unlock_once(struct super_block *s, int lock_depth); static inline void reiserfs_mutex_lock_safe(struct mutex *m, struct super_block *s) { + reiserfs_lock_check_recursive(s); reiserfs_write_unlock(s); mutex_lock(m); reiserfs_write_lock(s); } +static inline void +reiserfs_mutex_lock_nested_safe(struct mutex *m, unsigned int subclass, + struct super_block *s) +{ + reiserfs_lock_check_recursive(s); + reiserfs_write_unlock(s); + mutex_lock_nested(m, subclass); + reiserfs_write_lock(s); +} + +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); +} + /* * When we schedule, we usually want to also release the write lock, * according to the previous bkl based locking scheme of reiserfs. |