227 	if (!(bfqq == ((struct bfq_data *)bfqg->bfqd)->in_service_queue))  in bfqg_stats_update_io_add()
314 			      bfqq->bfqd->root_group;  in bfqq_group()
544 	struct bfq_data *bfqd = blkg->q->elevator->elevator_data;  in bfq_pd_init()  local
556 	bfqg->bfqd = bfqd;  in bfq_pd_init()
586 static struct bfq_group *bfq_lookup_bfqg(struct bfq_data *bfqd,  in bfq_lookup_bfqg()  argument
591 	blkg = blkg_lookup(blkcg, bfqd->queue);  in bfq_lookup_bfqg()
597 struct bfq_group *bfq_find_set_group(struct bfq_data *bfqd,  in bfq_find_set_group()  argument
603 	bfqg = bfq_lookup_bfqg(bfqd, blkcg);  in bfq_find_set_group()
617 		if (curr_bfqg != bfqd->root_group) {  in bfq_find_set_group()
620 				parent = bfqd->root_group;  in bfq_find_set_group()
642 void bfq_bfqq_move(struct bfq_data *bfqd, struct bfq_queue *bfqq,  in bfq_bfqq_move()  argument
659 	if (bfqq == bfqd->in_service_queue)  in bfq_bfqq_move()
660 		bfq_bfqq_expire(bfqd, bfqd->in_service_queue,  in bfq_bfqq_move()
664 		bfq_deactivate_bfqq(bfqd, bfqq, false, false);  in bfq_bfqq_move()
672 	else if (bfqd->last_bfqq_created == bfqq)  in bfq_bfqq_move()
673 		bfqd->last_bfqq_created = NULL;  in bfq_bfqq_move()
681 		if (unlikely(!bfqd->nonrot_with_queueing))  in bfq_bfqq_move()
682 			bfq_pos_tree_add_move(bfqd, bfqq);  in bfq_bfqq_move()
683 		bfq_activate_bfqq(bfqd, bfqq);  in bfq_bfqq_move()
686 	if (!bfqd->in_service_queue && !bfqd->rq_in_driver)  in bfq_bfqq_move()
687 		bfq_schedule_dispatch(bfqd);  in bfq_bfqq_move()
706 static struct bfq_group *__bfq_bic_change_cgroup(struct bfq_data *bfqd,  in __bfq_bic_change_cgroup()  argument
715 	bfqg = bfq_find_set_group(bfqd, blkcg);  in __bfq_bic_change_cgroup()
718 		bfqg = bfqd->root_group;  in __bfq_bic_change_cgroup()
725 			bfq_release_process_ref(bfqd, async_bfqq);  in __bfq_bic_change_cgroup()
732 			bfq_bfqq_move(bfqd, sync_bfqq, bfqg);  in __bfq_bic_change_cgroup()
740 	struct bfq_data *bfqd = bic_to_bfqd(bic);  in bfq_bic_update_cgroup()  local
751 	if (unlikely(!bfqd) || likely(bic->blkcg_serial_nr == serial_nr))  in bfq_bic_update_cgroup()
754 	bfqg = __bfq_bic_change_cgroup(bfqd, bic, __bio_blkcg(bio));  in bfq_bic_update_cgroup()
829 static void bfq_reparent_leaf_entity(struct bfq_data *bfqd,  in bfq_reparent_leaf_entity()  argument
849 	bfq_bfqq_move(bfqd, bfqq, bfqd->root_group);  in bfq_reparent_leaf_entity()
858 static void bfq_reparent_active_queues(struct bfq_data *bfqd,  in bfq_reparent_active_queues()  argument
867 		bfq_reparent_leaf_entity(bfqd, entity, ioprio_class);  in bfq_reparent_active_queues()
870 		bfq_reparent_leaf_entity(bfqd,  in bfq_reparent_active_queues()
887 	struct bfq_data *bfqd = bfqg->bfqd;  in bfq_pd_offline()  local
892 	spin_lock_irqsave(&bfqd->lock, flags);  in bfq_pd_offline()
916 		bfq_reparent_active_queues(bfqd, bfqg, st, i);  in bfq_pd_offline()
935 	bfq_put_async_queues(bfqd, bfqg);  in bfq_pd_offline()
937 	spin_unlock_irqrestore(&bfqd->lock, flags);  in bfq_pd_offline()
947 void bfq_end_wr_async(struct bfq_data *bfqd)  in bfq_end_wr_async()  argument
951 	list_for_each_entry(blkg, &bfqd->queue->blkg_list, q_node) {  in bfq_end_wr_async()
954 		bfq_end_wr_async_queues(bfqd, bfqg);  in bfq_end_wr_async()
956 	bfq_end_wr_async_queues(bfqd, bfqd->root_group);  in bfq_end_wr_async()
1237 struct bfq_group *bfq_create_group_hierarchy(struct bfq_data *bfqd, int node)  in bfq_create_group_hierarchy()  argument
1241 	ret = blkcg_activate_policy(bfqd->queue, &blkcg_policy_bfq);  in bfq_create_group_hierarchy()
1245 	return blkg_to_bfqg(bfqd->queue->root_blkg);  in bfq_create_group_hierarchy()
1402 void bfq_bfqq_move(struct bfq_data *bfqd, struct bfq_queue *bfqq,  in bfq_bfqq_move()  argument
1420 void bfq_end_wr_async(struct bfq_data *bfqd)  in bfq_end_wr_async()  argument
1422 	bfq_end_wr_async_queues(bfqd, bfqd->root_group);  in bfq_end_wr_async()
1425 struct bfq_group *bfq_find_set_group(struct bfq_data *bfqd, struct blkcg *blkcg)  in bfq_find_set_group()  argument
1427 	return bfqd->root_group;  in bfq_find_set_group()
1432 	return bfqq->bfqd->root_group;  in bfqq_group()
1439 struct bfq_group *bfq_create_group_hierarchy(struct bfq_data *bfqd, int node)  in bfq_create_group_hierarchy()  argument