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| author | Jeff Garzik <jgarzik@pobox.com> | 2005-11-05 15:39:24 -0500 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-11-05 15:39:24 -0500 |
| commit | 7211bb9b64f17b23834d91fc3d0c1d78671ee9a8 (patch) | |
| tree | 541909f86c31fee97cd70d28ec2fe5c23e1ceb02 /include/linux/rwsem-spinlock.h | |
| parent | f1e691a24955ea987f021f378324fb5003b1b208 (diff) | |
| parent | 70d9d825e0a5a78ec1dacaaaf5c72ff5b0206fab (diff) | |
Merge branch 'master'
Diffstat (limited to 'include/linux/rwsem-spinlock.h')
| -rw-r--r-- | include/linux/rwsem-spinlock.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/rwsem-spinlock.h b/include/linux/rwsem-spinlock.h index b52a2af25f1..f30f805080a 100644 --- a/include/linux/rwsem-spinlock.h +++ b/include/linux/rwsem-spinlock.h @@ -61,5 +61,10 @@ 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)); +static inline int rwsem_is_locked(struct rw_semaphore *sem) +{ + return (sem->activity != 0); +} + #endif /* __KERNEL__ */ #endif /* _LINUX_RWSEM_SPINLOCK_H */ |