diff options
Diffstat (limited to 'include/linux/rwsem.h')
| -rw-r--r-- | include/linux/rwsem.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h index dfa34d803439..56707d5ff6ad 100644 --- a/include/linux/rwsem.h +++ b/include/linux/rwsem.h | |||
| @@ -112,6 +112,7 @@ static inline int rwsem_is_contended(struct rw_semaphore *sem) | |||
| 112 | * lock for reading | 112 | * lock for reading |
| 113 | */ | 113 | */ |
| 114 | extern void down_read(struct rw_semaphore *sem); | 114 | extern void down_read(struct rw_semaphore *sem); |
| 115 | extern int __must_check down_read_killable(struct rw_semaphore *sem); | ||
| 115 | 116 | ||
| 116 | /* | 117 | /* |
| 117 | * trylock for reading -- returns 1 if successful, 0 if contention | 118 | * trylock for reading -- returns 1 if successful, 0 if contention |