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
554 	bfqg->bfqd = bfqd;  in bfq_pd_init()
585 static void bfq_link_bfqg(struct bfq_data *bfqd, struct bfq_group *bfqg)  in bfq_link_bfqg()  argument
599 		if (curr_bfqg != bfqd->root_group) {  in bfq_link_bfqg()
602 				parent = bfqd->root_group;  in bfq_link_bfqg()
608 struct bfq_group *bfq_bio_bfqg(struct bfq_data *bfqd, struct bio *bio)  in bfq_bio_bfqg()  argument
626 				&bfqg_to_blkg(bfqd->root_group)->blkcg->css);  in bfq_bio_bfqg()
627 	return bfqd->root_group;  in bfq_bio_bfqg()
644 void bfq_bfqq_move(struct bfq_data *bfqd, struct bfq_queue *bfqq,  in bfq_bfqq_move()  argument
653 	if (bfqq == &bfqd->oom_bfqq)  in bfq_bfqq_move()
667 	if (bfqq == bfqd->in_service_queue)  in bfq_bfqq_move()
668 		bfq_bfqq_expire(bfqd, bfqd->in_service_queue,  in bfq_bfqq_move()
672 		bfq_deactivate_bfqq(bfqd, bfqq, false, false);  in bfq_bfqq_move()
683 		if (unlikely(!bfqd->nonrot_with_queueing))  in bfq_bfqq_move()
684 			bfq_pos_tree_add_move(bfqd, bfqq);  in bfq_bfqq_move()
685 		bfq_activate_bfqq(bfqd, bfqq);  in bfq_bfqq_move()
688 	if (!bfqd->in_service_queue && !bfqd->rq_in_driver)  in bfq_bfqq_move()
689 		bfq_schedule_dispatch(bfqd);  in bfq_bfqq_move()
704 static void *__bfq_bic_change_cgroup(struct bfq_data *bfqd,  in __bfq_bic_change_cgroup()  argument
717 			bfq_release_process_ref(bfqd, async_bfqq);  in __bfq_bic_change_cgroup()
725 				bfq_bfqq_move(bfqd, sync_bfqq, bfqg);  in __bfq_bic_change_cgroup()
751 				bfq_release_process_ref(bfqd, sync_bfqq);  in __bfq_bic_change_cgroup()
762 	struct bfq_data *bfqd = bic_to_bfqd(bic);  in bfq_bic_update_cgroup()  local
763 	struct bfq_group *bfqg = bfq_bio_bfqg(bfqd, bio);  in bfq_bic_update_cgroup()
772 	if (unlikely(!bfqd) || likely(bic->blkcg_serial_nr == serial_nr))  in bfq_bic_update_cgroup()
779 	bfq_link_bfqg(bfqd, bfqg);  in bfq_bic_update_cgroup()
780 	__bfq_bic_change_cgroup(bfqd, bic, bfqg);  in bfq_bic_update_cgroup()
853 static void bfq_reparent_leaf_entity(struct bfq_data *bfqd,  in bfq_reparent_leaf_entity()  argument
873 	bfq_bfqq_move(bfqd, bfqq, bfqd->root_group);  in bfq_reparent_leaf_entity()
882 static void bfq_reparent_active_queues(struct bfq_data *bfqd,  in bfq_reparent_active_queues()  argument
891 		bfq_reparent_leaf_entity(bfqd, entity, ioprio_class);  in bfq_reparent_active_queues()
894 		bfq_reparent_leaf_entity(bfqd,  in bfq_reparent_active_queues()
911 	struct bfq_data *bfqd = bfqg->bfqd;  in bfq_pd_offline()  local
916 	spin_lock_irqsave(&bfqd->lock, flags);  in bfq_pd_offline()
940 		bfq_reparent_active_queues(bfqd, bfqg, st, i);  in bfq_pd_offline()
959 	bfq_put_async_queues(bfqd, bfqg);  in bfq_pd_offline()
962 	spin_unlock_irqrestore(&bfqd->lock, flags);  in bfq_pd_offline()
972 void bfq_end_wr_async(struct bfq_data *bfqd)  in bfq_end_wr_async()  argument
976 	list_for_each_entry(blkg, &bfqd->queue->blkg_list, q_node) {  in bfq_end_wr_async()
979 		bfq_end_wr_async_queues(bfqd, bfqg);  in bfq_end_wr_async()
981 	bfq_end_wr_async_queues(bfqd, bfqd->root_group);  in bfq_end_wr_async()
1262 struct bfq_group *bfq_create_group_hierarchy(struct bfq_data *bfqd, int node)  in bfq_create_group_hierarchy()  argument
1266 	ret = blkcg_activate_policy(bfqd->queue, &blkcg_policy_bfq);  in bfq_create_group_hierarchy()
1270 	return blkg_to_bfqg(bfqd->queue->root_blkg);  in bfq_create_group_hierarchy()
1427 void bfq_bfqq_move(struct bfq_data *bfqd, struct bfq_queue *bfqq,  in bfq_bfqq_move()  argument
1445 void bfq_end_wr_async(struct bfq_data *bfqd)  in bfq_end_wr_async()  argument
1447 	bfq_end_wr_async_queues(bfqd, bfqd->root_group);  in bfq_end_wr_async()
1450 struct bfq_group *bfq_bio_bfqg(struct bfq_data *bfqd, struct bio *bio)  in bfq_bio_bfqg()  argument
1452 	return bfqd->root_group;  in bfq_bio_bfqg()
1457 	return bfqq->bfqd->root_group;  in bfqq_group()
1464 struct bfq_group *bfq_create_group_hierarchy(struct bfq_data *bfqd, int node)  in bfq_create_group_hierarchy()  argument