1 files changed, 5 insertions, 0 deletions

diff --git a/include/asm-alpha/rwsem.h b/include/asm-alpha/rwsem.h
index 8e058a67c9a4..fafdd4f7010a 100644
--- a/include/asm-alpha/rwsem.h
+++ b/include/asm-alpha/rwsem.h
@@ -262,5 +262,10 @@ static inline long rwsem_atomic_update(long val, struct rw_semaphore *sem)
 #endif
 }
 
+static inline int rwsem_is_locked(struct rw_semaphore *sem)
+{
+        return (sem->count != 0);
+}
+
 #endif /* __KERNEL__ */
 #endif /* _ALPHA_RWSEM_H */