diff options
Diffstat (limited to 'fs/xfs/linux-2.6/mrlock.h')
-rw-r--r-- | fs/xfs/linux-2.6/mrlock.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/xfs/linux-2.6/mrlock.h b/fs/xfs/linux-2.6/mrlock.h index af168a1a98c1..c110bb002665 100644 --- a/fs/xfs/linux-2.6/mrlock.h +++ b/fs/xfs/linux-2.6/mrlock.h | |||
@@ -43,6 +43,18 @@ static inline void mrupdate(mrlock_t *mrp) | |||
43 | mrp->mr_writer = 1; | 43 | mrp->mr_writer = 1; |
44 | } | 44 | } |
45 | 45 | ||
46 | static inline void mraccess_nested(mrlock_t *mrp, int subclass) | ||
47 | { | ||
48 | down_read_nested(&mrp->mr_lock, subclass); | ||
49 | } | ||
50 | |||
51 | static inline void mrupdate_nested(mrlock_t *mrp, int subclass) | ||
52 | { | ||
53 | down_write_nested(&mrp->mr_lock, subclass); | ||
54 | mrp->mr_writer = 1; | ||
55 | } | ||
56 | |||
57 | |||
46 | static inline int mrtryaccess(mrlock_t *mrp) | 58 | static inline int mrtryaccess(mrlock_t *mrp) |
47 | { | 59 | { |
48 | return down_read_trylock(&mrp->mr_lock); | 60 | return down_read_trylock(&mrp->mr_lock); |