workqueue: remove @delayed from cwq_dec_nr_in_flight()

@delayed is now always false for all callers, remove it.

tj: Updated description.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

kernel/workqueue.c

@@ -999,7 +999,6 @@ static void cwq_activate_first_delayed(struct cpu_workqueue_struct *cwq)
  * cwq_dec_nr_in_flight - decrement cwq's nr_in_flight
  * @cwq: cwq of interest
  * @color: color of work which left the queue
- * @delayed: for a delayed work
  *
  * A work either has completed or is removed from pending queue,
  * decrement nr_in_flight of its cwq and handle workqueue flushing.
@@ -1007,8 +1006,7 @@ static void cwq_activate_first_delayed(struct cpu_workqueue_struct *cwq)
  * CONTEXT:
  * spin_lock_irq(gcwq->lock).
  */
-static void cwq_dec_nr_in_flight(struct cpu_workqueue_struct *cwq, int color,
-				 bool delayed)
+static void cwq_dec_nr_in_flight(struct cpu_workqueue_struct *cwq, int color)
 {
 	/* ignore uncolored works */
 	if (color == WORK_NO_COLOR)
@@ -1016,13 +1014,11 @@ static void cwq_dec_nr_in_flight(struct cpu_workqueue_struct *cwq, int color,
 
 	cwq->nr_in_flight[color]--;
 
-	if (!delayed) {
-		cwq->nr_active--;
-		if (!list_empty(&cwq->delayed_works)) {
-			/* one down, submit a delayed one */
-			if (cwq->nr_active < cwq->max_active)
-				cwq_activate_first_delayed(cwq);
-		}
+	cwq->nr_active--;
+	if (!list_empty(&cwq->delayed_works)) {
+		/* one down, submit a delayed one */
+		if (cwq->nr_active < cwq->max_active)
+			cwq_activate_first_delayed(cwq);
 	}
 
 	/* is flush in progress and are we at the flushing tip? */
@@ -1127,8 +1123,7 @@ static int try_to_grab_pending(struct work_struct *work, bool is_dwork,
 
 			list_del_init(&work->entry);
 			cwq_dec_nr_in_flight(get_work_cwq(work),
-				get_work_color(work),
-				*work_data_bits(work) & WORK_STRUCT_DELAYED);
+				get_work_color(work));
 
 			spin_unlock(&gcwq->lock);
 			return 1;
@@ -2264,7 +2259,7 @@ __acquires(&gcwq->lock)
 	hlist_del_init(&worker->hentry);
 	worker->current_work = NULL;
 	worker->current_cwq = NULL;
-	cwq_dec_nr_in_flight(cwq, work_color, false);
+	cwq_dec_nr_in_flight(cwq, work_color);
 }
 
 /**