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| author | Anton Altaparmakov <aia21@cantab.net> | 2005-10-30 21:00:04 +0000 |
|---|---|---|
| committer | Anton Altaparmakov <aia21@cantab.net> | 2005-10-30 21:00:04 +0000 |
| commit | 07b188ab773e183871e57b33ae37bf635c9f12ba (patch) | |
| tree | 311df8a0dd12fb7bd3e9b5b1a5ca500f0428d679 /include/asm-ppc64/rwsem.h | |
| parent | 47c564e10f219f867bdb49225972749a43485a47 (diff) | |
| parent | 9f75e1eff3edb2bb07349b94c28f4f2a6c66ca43 (diff) | |
Merge branch 'master' of /usr/src/ntfs-2.6/
Diffstat (limited to 'include/asm-ppc64/rwsem.h')
| -rw-r--r-- | include/asm-ppc64/rwsem.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-ppc64/rwsem.h b/include/asm-ppc64/rwsem.h index bd5c2f09357..7a647fae376 100644 --- a/include/asm-ppc64/rwsem.h +++ b/include/asm-ppc64/rwsem.h @@ -163,5 +163,10 @@ static inline int rwsem_atomic_update(int delta, struct rw_semaphore *sem) return atomic_add_return(delta, (atomic_t *)(&sem->count)); } +static inline int rwsem_is_locked(struct rw_semaphore *sem) +{ + return (sem->count != 0); +} + #endif /* __KERNEL__ */ #endif /* _PPC_RWSEM_XADD_H */ |