diff --git a/drivers/block/elevator.c b/drivers/block/elevator.c
index 272d939..cf9bedb 100644
--- a/drivers/block/elevator.c
+++ b/drivers/block/elevator.c
@@ -671,14 +671,14 @@
 	 */
 	spin_lock_irq(q->queue_lock);
 
-	set_bit(QUEUE_FLAG_BYPASS, &q->queue_flags);
+	set_bit(QUEUE_FLAG_ELVSWITCH, &q->queue_flags);
 
 	while (q->elevator->ops->elevator_dispatch_fn(q, 1))
 		;
 
 	while (q->rq.elvpriv) {
 		spin_unlock_irq(q->queue_lock);
-		msleep(100);
+		msleep(10);
 		spin_lock_irq(q->queue_lock);
 	}
 
@@ -703,7 +703,7 @@
 	 * finally exit old elevator and turn off BYPASS.
 	 */
 	elevator_exit(old_elevator);
-	clear_bit(QUEUE_FLAG_BYPASS, &q->queue_flags);
+	clear_bit(QUEUE_FLAG_ELVSWITCH, &q->queue_flags);
 	return;
 
 fail_register:
@@ -716,7 +716,7 @@
 fail:
 	q->elevator = old_elevator;
 	elv_register_queue(q);
-	clear_bit(QUEUE_FLAG_BYPASS, &q->queue_flags);
+	clear_bit(QUEUE_FLAG_ELVSWITCH, &q->queue_flags);
 	kfree(e);
 error:
 	elevator_put(new_e);
diff --git a/drivers/block/ll_rw_blk.c b/drivers/block/ll_rw_blk.c
index f7c9931..fc12d01 100644
--- a/drivers/block/ll_rw_blk.c
+++ b/drivers/block/ll_rw_blk.c
@@ -1940,7 +1940,7 @@
 	if (rl->count[rw] >= queue_congestion_on_threshold(q))
 		set_queue_congested(q, rw);
 
-	priv = !test_bit(QUEUE_FLAG_BYPASS, &q->queue_flags);
+	priv = !test_bit(QUEUE_FLAG_ELVSWITCH, &q->queue_flags);
 	if (priv)
 		rl->elvpriv++;