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Merge master.kernel.org:/pub/scm/linux/kernel/git/perex/alsa
[powerpc.git]
/
include
/
asm-s390
/
rwsem.h
diff --git
a/include/asm-s390/rwsem.h
b/include/asm-s390/rwsem.h
index
8c0cebb
..
0422a08
100644
(file)
--- 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 */