workqueue: make deferrable delayed_work initializer names consistent

Initalizers for deferrable delayed_work are confused.

* __DEFERRED_WORK_INITIALIZER()
* DECLARE_DEFERRED_WORK()
* INIT_DELAYED_WORK_DEFERRABLE()

Rename them to

* __DEFERRABLE_WORK_INITIALIZER()
* DECLARE_DEFERRABLE_WORK()
* INIT_DEFERRABLE_WORK()

This patch doesn't cause any functional changes.

Signed-off-by: Tejun Heo <tj@kernel.org>
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 26c5b4c..49a9c51 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -139,7 +139,7 @@
 				0, (unsigned long)&(n)),		\
 	}
 
-#define __DEFERRED_WORK_INITIALIZER(n, f) {				\
+#define __DEFERRABLE_WORK_INITIALIZER(n, f) {				\
 	.work = __WORK_INITIALIZER((n).work, (f)),			\
 	.timer = TIMER_DEFERRED_INITIALIZER(delayed_work_timer_fn,	\
 				0, (unsigned long)&(n)),		\
@@ -151,8 +151,8 @@
 #define DECLARE_DELAYED_WORK(n, f)					\
 	struct delayed_work n = __DELAYED_WORK_INITIALIZER(n, f)
 
-#define DECLARE_DEFERRED_WORK(n, f)					\
-	struct delayed_work n = __DEFERRED_WORK_INITIALIZER(n, f)
+#define DECLARE_DEFERRABLE_WORK(n, f)					\
+	struct delayed_work n = __DEFERRABLE_WORK_INITIALIZER(n, f)
 
 /*
  * initialize a work item's function pointer
@@ -232,7 +232,7 @@
 		(_work)->timer.data = (unsigned long)(_work);		\
 	} while (0)
 
-#define INIT_DELAYED_WORK_DEFERRABLE(_work, _func)			\
+#define INIT_DEFERRABLE_WORK(_work, _func)				\
 	do {								\
 		INIT_WORK(&(_work)->work, (_func));			\
 		init_timer_deferrable(&(_work)->timer);			\