diff options
Diffstat (limited to 'include/linux/rwsem-spinlock.h')
| -rw-r--r-- | include/linux/rwsem-spinlock.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/rwsem-spinlock.h b/include/linux/rwsem-spinlock.h index 3087c5c101f4..f4ac435bf141 100644 --- a/include/linux/rwsem-spinlock.h +++ b/include/linux/rwsem-spinlock.h @@ -54,9 +54,12 @@ struct rw_semaphore { extern void FASTCALL(init_rwsem(struct rw_semaphore *sem)); extern void FASTCALL(__down_read(struct rw_semaphore *sem)); +extern int FASTCALL(__down_read_trylock(struct rw_semaphore *sem)); extern void FASTCALL(__down_write(struct rw_semaphore *sem)); +extern int FASTCALL(__down_write_trylock(struct rw_semaphore *sem)); extern void FASTCALL(__up_read(struct rw_semaphore *sem)); extern void FASTCALL(__up_write(struct rw_semaphore *sem)); +extern void FASTCALL(__downgrade_write(struct rw_semaphore *sem)); #endif /* __KERNEL__ */ #endif /* _LINUX_RWSEM_SPINLOCK_H */ |