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| author | Len Brown <len.brown@intel.com> | 2005-12-06 23:31:30 +0100 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2005-12-06 23:31:30 +0100 |
| commit | 3d5271f9883cba7b54762bc4fe027d4172f06db7 (patch) | |
| tree | ab8a881a14478598a0c8bda0d26c62cdccfffd6d /include/asm-s390/rwsem.h | |
| parent | [ACPI] 8250_acpi.c buildfix (diff) | |
| parent | Auto-update from upstream (diff) | |
| download | linux-3d5271f9883cba7b54762bc4fe027d4172f06db7.tar.xz linux-3d5271f9883cba7b54762bc4fe027d4172f06db7.zip | |
Pull release into acpica branch
Diffstat (limited to 'include/asm-s390/rwsem.h')
| -rw-r--r-- | include/asm-s390/rwsem.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-s390/rwsem.h b/include/asm-s390/rwsem.h index 8c0cebbfc034..0422a085dd56 100644 --- a/include/asm-s390/rwsem.h +++ b/include/asm-s390/rwsem.h @@ -351,5 +351,10 @@ static inline long rwsem_atomic_update(long delta, struct rw_semaphore *sem) return new; } +static inline int rwsem_is_locked(struct rw_semaphore *sem) +{ + return (sem->count != 0); +} + #endif /* __KERNEL__ */ #endif /* _S390_RWSEM_H */ |