1894 	struct blk_plug *plug;  in blk_attempt_plug_merge()  local
1898 	plug = current->plug;  in blk_attempt_plug_merge()
1899 	if (!plug)  in blk_attempt_plug_merge()
1904 		plug_list = &plug->mq_list;  in blk_attempt_plug_merge()
1906 		plug_list = &plug->list;  in blk_attempt_plug_merge()
1948 	struct blk_plug *plug;  in blk_plug_queued_count()  local
1953 	plug = current->plug;  in blk_plug_queued_count()
1954 	if (!plug)  in blk_plug_queued_count()
1958 		plug_list = &plug->mq_list;  in blk_plug_queued_count()
1960 		plug_list = &plug->list;  in blk_plug_queued_count()
1991 	struct blk_plug *plug;  in blk_queue_bio()  local
2084 	plug = current->plug;  in blk_queue_bio()
2085 	if (plug) {  in blk_queue_bio()
2093 		if (!request_count || list_empty(&plug->list))  in blk_queue_bio()
2096 			struct request *last = list_entry_rq(plug->list.prev);  in blk_queue_bio()
2099 				blk_flush_plug_list(plug, false);  in blk_queue_bio()
2103 		list_add_tail(&req->queuelist, &plug->list);  in blk_queue_bio()
2575 	if (current->plug)  in blk_poll()
2576 		blk_flush_plug_list(current->plug, false);  in blk_poll()
3592 void blk_start_plug(struct blk_plug *plug)  in blk_start_plug()  argument
3599 	if (tsk->plug)  in blk_start_plug()
3602 	INIT_LIST_HEAD(&plug->list);  in blk_start_plug()
3603 	INIT_LIST_HEAD(&plug->mq_list);  in blk_start_plug()
3604 	INIT_LIST_HEAD(&plug->cb_list);  in blk_start_plug()
3609 	tsk->plug = plug;  in blk_start_plug()
3643 static void flush_plug_callbacks(struct blk_plug *plug, bool from_schedule)  in flush_plug_callbacks()  argument
3647 	while (!list_empty(&plug->cb_list)) {  in flush_plug_callbacks()
3648 		list_splice_init(&plug->cb_list, &callbacks);  in flush_plug_callbacks()
3663 	struct blk_plug *plug = current->plug;  in blk_check_plugged()  local
3666 	if (!plug)  in blk_check_plugged()
3669 	list_for_each_entry(cb, &plug->cb_list, list)  in blk_check_plugged()
3679 		list_add(&cb->list, &plug->cb_list);  in blk_check_plugged()
3685 void blk_flush_plug_list(struct blk_plug *plug, bool from_schedule)  in blk_flush_plug_list()  argument
3692 	flush_plug_callbacks(plug, from_schedule);  in blk_flush_plug_list()
3694 	if (!list_empty(&plug->mq_list))  in blk_flush_plug_list()
3695 		blk_mq_flush_plug_list(plug, from_schedule);  in blk_flush_plug_list()
3697 	if (list_empty(&plug->list))  in blk_flush_plug_list()
3700 	list_splice_init(&plug->list, &list);  in blk_flush_plug_list()
3748 void blk_finish_plug(struct blk_plug *plug)  in blk_finish_plug()  argument
3750 	if (plug != current->plug)  in blk_finish_plug()
3752 	blk_flush_plug_list(plug, false);  in blk_finish_plug()
3754 	current->plug = NULL;  in blk_finish_plug()