236 static inline struct throtl_grp *blkg_to_tg(struct blkcg_gq *blkg)  in blkg_to_tg()  argument
238 	return pd_to_tg(blkg_to_pd(blkg, &blkcg_policy_throtl));  in blkg_to_tg()
298 	struct blkcg_gq *blkg = tg_to_blkg(tg);  in tg_bps_limit()  local
302 	if (cgroup_subsys_on_dfl(io_cgrp_subsys) && !blkg->parent)  in tg_bps_limit()
309 		if (!list_empty(&blkg->blkcg->css.children) ||  in tg_bps_limit()
328 	struct blkcg_gq *blkg = tg_to_blkg(tg);  in tg_iops_limit()  local
332 	if (cgroup_subsys_on_dfl(io_cgrp_subsys) && !blkg->parent)  in tg_iops_limit()
339 		if (!list_empty(&blkg->blkcg->css.children) ||  in tg_iops_limit()
539 	struct blkcg_gq *blkg = tg_to_blkg(tg);  in throtl_pd_init()  local
540 	struct throtl_data *td = blkg->q->td;  in throtl_pd_init()
557 	if (cgroup_subsys_on_dfl(io_cgrp_subsys) && blkg->parent)  in throtl_pd_init()
558 		sq->parent_sq = &blkg_to_tg(blkg->parent)->service_queue;  in throtl_pd_init()
593 	struct blkcg_gq *blkg;  in blk_throtl_update_limit_valid()  local
597 	blkg_for_each_descendant_post(blkg, pos_css, td->queue->root_blkg) {  in blk_throtl_update_limit_valid()
598 		struct throtl_grp *tg = blkg_to_tg(blkg);  in blk_throtl_update_limit_valid()
1396 	struct blkcg_gq *blkg;  in tg_conf_updated()  local
1410 	blkg_for_each_descendant_pre(blkg, pos_css,  in tg_conf_updated()
1412 		struct throtl_grp *this_tg = blkg_to_tg(blkg);  in tg_conf_updated()
1417 		if (!cgroup_subsys_on_dfl(io_cgrp_subsys) || !blkg->parent ||  in tg_conf_updated()
1418 		    !blkg->parent->parent)  in tg_conf_updated()
1420 		parent_tg = blkg_to_tg(blkg->parent);  in tg_conf_updated()
1467 	tg = blkg_to_tg(ctx.blkg);  in tg_set_conf()
1571 	const char *dname = blkg_dev_name(pd->blkg);  in tg_prfill_limit()
1653 	tg = blkg_to_tg(ctx.blkg);  in tg_set_limit()
1899 	struct blkcg_gq *blkg;  in throtl_can_upgrade()  local
1908 	blkg_for_each_descendant_post(blkg, pos_css, td->queue->root_blkg) {  in throtl_can_upgrade()
1909 		struct throtl_grp *tg = blkg_to_tg(blkg);  in throtl_can_upgrade()
1947 	struct blkcg_gq *blkg;  in throtl_upgrade_state()  local
1954 	blkg_for_each_descendant_post(blkg, pos_css, td->queue->root_blkg) {  in throtl_upgrade_state()
1955 		struct throtl_grp *tg = blkg_to_tg(blkg);  in throtl_upgrade_state()
2176 	struct blkcg_gq *blkg = bio->bi_blkg;  in blk_throtl_bio()  local
2178 	struct throtl_grp *tg = blkg_to_tg(blkg);  in blk_throtl_bio()
2324 	struct blkcg_gq *blkg;  in blk_throtl_bio_endio()  local
2332 	blkg = bio->bi_blkg;  in blk_throtl_bio_endio()
2333 	if (!blkg)  in blk_throtl_bio_endio()
2335 	tg = blkg_to_tg(blkg);  in blk_throtl_bio_endio()