[PATCH] bitops: s390: use generic bitops

[~andy/linux] / include / asm-s390 / rwsem.h

diff --git a/include/asm-s390/rwsem.h b/include/asm-s390/rwsem.h
index 8c0cebbfc034e2e26c46137e62f20436b644a8f3..0422a085dd56a2d54d36cd46a190c54b7c7af4ac 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 */