810 	struct blk_plug *plug;  in submit_bio_checks()  local
814 	plug = blk_mq_plug(q, bio);  in submit_bio_checks()
815 	if (plug && plug->nowait)  in submit_bio_checks()
1678 void blk_start_plug(struct blk_plug *plug)  in blk_start_plug()  argument
1685 	if (tsk->plug)  in blk_start_plug()
1688 	INIT_LIST_HEAD(&plug->mq_list);  in blk_start_plug()
1689 	INIT_LIST_HEAD(&plug->cb_list);  in blk_start_plug()
1690 	plug->rq_count = 0;  in blk_start_plug()
1691 	plug->multiple_queues = false;  in blk_start_plug()
1692 	plug->nowait = false;  in blk_start_plug()
1698 	tsk->plug = plug;  in blk_start_plug()
1702 static void flush_plug_callbacks(struct blk_plug *plug, bool from_schedule)  in flush_plug_callbacks()  argument
1706 	while (!list_empty(&plug->cb_list)) {  in flush_plug_callbacks()
1707 		list_splice_init(&plug->cb_list, &callbacks);  in flush_plug_callbacks()
1722 	struct blk_plug *plug = current->plug;  in blk_check_plugged()  local
1725 	if (!plug)  in blk_check_plugged()
1728 	list_for_each_entry(cb, &plug->cb_list, list)  in blk_check_plugged()
1738 		list_add(&cb->list, &plug->cb_list);  in blk_check_plugged()
1744 void blk_flush_plug_list(struct blk_plug *plug, bool from_schedule)  in blk_flush_plug_list()  argument
1746 	flush_plug_callbacks(plug, from_schedule);  in blk_flush_plug_list()
1748 	if (!list_empty(&plug->mq_list))  in blk_flush_plug_list()
1749 		blk_mq_flush_plug_list(plug, from_schedule);  in blk_flush_plug_list()
1762 void blk_finish_plug(struct blk_plug *plug)  in blk_finish_plug()  argument
1764 	if (plug != current->plug)  in blk_finish_plug()
1766 	blk_flush_plug_list(plug, false);  in blk_finish_plug()
1768 	current->plug = NULL;  in blk_finish_plug()