X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-sh%2Frwsem.h;fp=include%2Fasm-sh%2Frwsem.h;h=0262d3d1e5e018a2ddb9e7913d48124eb4311a4e;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=1be4337f525950d795d1a28c945898d20154a1e8;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git

diff --git a/include/asm-sh/rwsem.h b/include/asm-sh/rwsem.h
index 1be4337f5..0262d3d1e 100644
--- a/include/asm-sh/rwsem.h
+++ b/include/asm-sh/rwsem.h
@@ -166,5 +166,10 @@ static inline int rwsem_atomic_update(int delta, struct rw_semaphore *sem)
 	return atomic_add_return(delta, (atomic_t *)(&sem->count));
 }
 
+static inline int rwsem_is_locked(struct rw_semaphore *sem)
+{
+	return (sem->count != 0);
+}
+
 #endif /* __KERNEL__ */
 #endif /* _ASM_SH_RWSEM_H */