Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/devfs-2.6

[cascardo/linux.git] / include / asm-xtensa / rwsem.h

diff --git a/include/asm-xtensa/rwsem.h b/include/asm-xtensa/rwsem.h
index 3c02b0e..abcd86d 100644 (file)
--- a/include/asm-xtensa/rwsem.h
+++ b/include/asm-xtensa/rwsem.h
@@ -172,4 +172,9 @@ static inline int rwsem_atomic_update(int delta, struct rw_semaphore *sem)
        return atomic_add_return(delta, (atomic_t *)(&sem->count));
 }
 
-#endif /* _XTENSA_RWSEM_XADD_H */
+static inline int rwsem_is_locked(struct rw_semaphore *sem)
+{
+       return (sem->count != 0);
+}
+
+#endif /* _XTENSA_RWSEM_H */