802 	struct blk_plug *plug;  in submit_bio_checks()  local
806 	plug = blk_mq_plug(q, bio);  in submit_bio_checks()
807 	if (plug && plug->nowait)  in submit_bio_checks()
1655 void blk_start_plug(struct blk_plug *plug)  in blk_start_plug()  argument
1662 	if (tsk->plug)  in blk_start_plug()
1665 	INIT_LIST_HEAD(&plug->mq_list);  in blk_start_plug()
1666 	INIT_LIST_HEAD(&plug->cb_list);  in blk_start_plug()
1667 	plug->rq_count = 0;  in blk_start_plug()
1668 	plug->multiple_queues = false;  in blk_start_plug()
1669 	plug->nowait = false;  in blk_start_plug()
1675 	tsk->plug = plug;  in blk_start_plug()
1679 static void flush_plug_callbacks(struct blk_plug *plug, bool from_schedule)  in flush_plug_callbacks()  argument
1683 	while (!list_empty(&plug->cb_list)) {  in flush_plug_callbacks()
1684 		list_splice_init(&plug->cb_list, &callbacks);  in flush_plug_callbacks()
1699 	struct blk_plug *plug = current->plug;  in blk_check_plugged()  local
1702 	if (!plug)  in blk_check_plugged()
1705 	list_for_each_entry(cb, &plug->cb_list, list)  in blk_check_plugged()
1715 		list_add(&cb->list, &plug->cb_list);  in blk_check_plugged()
1721 void blk_flush_plug_list(struct blk_plug *plug, bool from_schedule)  in blk_flush_plug_list()  argument
1723 	flush_plug_callbacks(plug, from_schedule);  in blk_flush_plug_list()
1725 	if (!list_empty(&plug->mq_list))  in blk_flush_plug_list()
1726 		blk_mq_flush_plug_list(plug, from_schedule);  in blk_flush_plug_list()
1739 void blk_finish_plug(struct blk_plug *plug)  in blk_finish_plug()  argument
1741 	if (plug != current->plug)  in blk_finish_plug()
1743 	blk_flush_plug_list(plug, false);  in blk_finish_plug()
1745 	current->plug = NULL;  in blk_finish_plug()