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authorJeff Garzik <jgarzik@pobox.com>2005-10-30 20:37:44 -0500
committerJeff Garzik <jgarzik@pobox.com>2005-10-30 20:37:44 -0500
commit9e0cb06b17be7e562cbdaba2768649f025826dc6 (patch)
treeaaf5ef8c6cd11764d222df9c446ad9af17e0020e /include/asm-s390/rwsem.h
parent23da0c20ef1c1f0432f373e0e2233a6b6ab2678f (diff)
parent6e9d6b8ee4e0c37d3952256e6472c57490d6780d (diff)
Merge branch 'master'
Diffstat (limited to 'include/asm-s390/rwsem.h')
-rw-r--r--include/asm-s390/rwsem.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/asm-s390/rwsem.h b/include/asm-s390/rwsem.h
index 8c0cebbfc03..0422a085dd5 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 */