diff options
Diffstat (limited to 'include/linux/reiserfs_fs.h')
| -rw-r--r-- | include/linux/reiserfs_fs.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h index a05b4a20768d..4351b49e2b1e 100644 --- a/include/linux/reiserfs_fs.h +++ b/include/linux/reiserfs_fs.h | |||
| @@ -97,6 +97,15 @@ static inline void reiserfs_mutex_lock_safe(struct mutex *m, | |||
| 97 | reiserfs_write_lock(s); | 97 | reiserfs_write_lock(s); |
| 98 | } | 98 | } |
| 99 | 99 | ||
| 100 | static inline void | ||
| 101 | reiserfs_mutex_lock_nested_safe(struct mutex *m, unsigned int subclass, | ||
| 102 | struct super_block *s) | ||
| 103 | { | ||
| 104 | reiserfs_write_unlock(s); | ||
| 105 | mutex_lock_nested(m, subclass); | ||
| 106 | reiserfs_write_lock(s); | ||
| 107 | } | ||
| 108 | |||
| 100 | /* | 109 | /* |
| 101 | * When we schedule, we usually want to also release the write lock, | 110 | * When we schedule, we usually want to also release the write lock, |
| 102 | * according to the previous bkl based locking scheme of reiserfs. | 111 | * according to the previous bkl based locking scheme of reiserfs. |