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| author | Jeff Garzik <jgarzik@pobox.com> | 2005-10-31 02:37:44 +0100 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-10-31 02:37:44 +0100 |
| commit | 9e0cb06b17be7e562cbdaba2768649f025826dc6 (patch) | |
| tree | aaf5ef8c6cd11764d222df9c446ad9af17e0020e /include/asm-sparc64/rwsem.h | |
| parent | [PATCH] fec_8xx: Add support for Intel PHY LX971 (diff) | |
| parent | Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/... (diff) | |
| download | linux-9e0cb06b17be7e562cbdaba2768649f025826dc6.tar.xz linux-9e0cb06b17be7e562cbdaba2768649f025826dc6.zip | |
Merge branch 'master'
Diffstat (limited to 'include/asm-sparc64/rwsem.h')
| -rw-r--r-- | include/asm-sparc64/rwsem.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-sparc64/rwsem.h b/include/asm-sparc64/rwsem.h index 4568ee4022df..cef5e8270421 100644 --- a/include/asm-sparc64/rwsem.h +++ b/include/asm-sparc64/rwsem.h @@ -56,6 +56,11 @@ static inline void rwsem_atomic_add(int delta, struct rw_semaphore *sem) atomic_add(delta, (atomic_t *)(&sem->count)); } +static inline int rwsem_is_locked(struct rw_semaphore *sem) +{ + return (sem->count != 0); +} + #endif /* __KERNEL__ */ #endif /* _SPARC64_RWSEM_H */ |