102 	LIMIT_LOW,  enumerator
307 	if (ret == 0 && td->limit_index == LIMIT_LOW) {  in tg_bps_limit()
316 	if (td->limit_index == LIMIT_MAX && tg->bps[rw][LIMIT_LOW] &&  in tg_bps_limit()
317 	    tg->bps[rw][LIMIT_LOW] != tg->bps[rw][LIMIT_MAX]) {  in tg_bps_limit()
320 		adjusted = throtl_adjusted_limit(tg->bps[rw][LIMIT_LOW], td);  in tg_bps_limit()
337 	if (ret == 0 && tg->td->limit_index == LIMIT_LOW) {  in tg_iops_limit()
346 	if (td->limit_index == LIMIT_MAX && tg->iops[rw][LIMIT_LOW] &&  in tg_iops_limit()
347 	    tg->iops[rw][LIMIT_LOW] != tg->iops[rw][LIMIT_MAX]) {  in tg_iops_limit()
350 		adjusted = throtl_adjusted_limit(tg->iops[rw][LIMIT_LOW], td);  in tg_iops_limit()
600 		if (tg->bps[READ][LIMIT_LOW] || tg->bps[WRITE][LIMIT_LOW] ||  in blk_throtl_update_limit_valid()
601 		    tg->iops[READ][LIMIT_LOW] || tg->iops[WRITE][LIMIT_LOW]) {  in blk_throtl_update_limit_valid()
608 	td->limit_valid[LIMIT_LOW] = low_valid;  in blk_throtl_update_limit_valid()
616 	tg->bps[READ][LIMIT_LOW] = 0;  in throtl_pd_offline()
617 	tg->bps[WRITE][LIMIT_LOW] = 0;  in throtl_pd_offline()
618 	tg->iops[READ][LIMIT_LOW] = 0;  in throtl_pd_offline()
619 	tg->iops[WRITE][LIMIT_LOW] = 0;  in throtl_pd_offline()
1581 	if (off == LIMIT_LOW) {  in tg_prfill_limit()
1593 	    (off != LIMIT_LOW ||  in tg_prfill_limit()
1610 	if (off == LIMIT_LOW) {  in tg_prfill_limit()
1693 		else if (off == LIMIT_LOW && !strcmp(tok, "idle"))  in tg_set_limit()
1695 		else if (off == LIMIT_LOW && !strcmp(tok, "latency"))  in tg_set_limit()
1712 	tg->bps[READ][LIMIT_LOW] = min(tg->bps_conf[READ][LIMIT_LOW],  in tg_set_limit()
1714 	tg->bps[WRITE][LIMIT_LOW] = min(tg->bps_conf[WRITE][LIMIT_LOW],  in tg_set_limit()
1716 	tg->iops[READ][LIMIT_LOW] = min(tg->iops_conf[READ][LIMIT_LOW],  in tg_set_limit()
1718 	tg->iops[WRITE][LIMIT_LOW] = min(tg->iops_conf[WRITE][LIMIT_LOW],  in tg_set_limit()
1724 	if (!(tg->bps[READ][LIMIT_LOW] || tg->iops[READ][LIMIT_LOW] ||  in tg_set_limit()
1725 	      tg->bps[WRITE][LIMIT_LOW] || tg->iops[WRITE][LIMIT_LOW]) ||  in tg_set_limit()
1728 		tg->bps[READ][LIMIT_LOW] = 0;  in tg_set_limit()
1729 		tg->bps[WRITE][LIMIT_LOW] = 0;  in tg_set_limit()
1730 		tg->iops[READ][LIMIT_LOW] = 0;  in tg_set_limit()
1731 		tg->iops[WRITE][LIMIT_LOW] = 0;  in tg_set_limit()
1734 	} else if (index == LIMIT_LOW) {  in tg_set_limit()
1740 	if (tg->td->limit_valid[LIMIT_LOW]) {  in tg_set_limit()
1741 		if (index == LIMIT_LOW)  in tg_set_limit()
1742 			tg->td->limit_index = LIMIT_LOW;  in tg_set_limit()
1745 	tg_conf_updated(tg, index == LIMIT_LOW &&  in tg_set_limit()
1746 		tg->td->limit_valid[LIMIT_LOW]);  in tg_set_limit()
1760 		.private = LIMIT_LOW,
1795 	if (tg->bps[READ][LIMIT_LOW] || tg->iops[READ][LIMIT_LOW])  in __tg_last_low_overflow_time()
1797 	if (tg->bps[WRITE][LIMIT_LOW] || tg->iops[WRITE][LIMIT_LOW])  in __tg_last_low_overflow_time()
1819 		if (!parent->bps[READ][LIMIT_LOW] &&  in tg_last_low_overflow_time()
1820 		    !parent->iops[READ][LIMIT_LOW] &&  in tg_last_low_overflow_time()
1821 		    !parent->bps[WRITE][LIMIT_LOW] &&  in tg_last_low_overflow_time()
1822 		    !parent->iops[WRITE][LIMIT_LOW])  in tg_last_low_overflow_time()
1865 	read_limit = tg->bps[READ][LIMIT_LOW] || tg->iops[READ][LIMIT_LOW];  in throtl_tg_can_upgrade()
1866 	write_limit = tg->bps[WRITE][LIMIT_LOW] || tg->iops[WRITE][LIMIT_LOW];  in throtl_tg_can_upgrade()
1901 	if (td->limit_index != LIMIT_LOW)  in throtl_can_upgrade()
1928 	if (tg->td->limit_index != LIMIT_LOW)  in throtl_upgrade_check()
1978 	td->limit_index = LIMIT_LOW;  in throtl_downgrade_state()
2020 	    !tg->td->limit_valid[LIMIT_LOW])  in throtl_downgrade_check()
2034 	if (tg->bps[READ][LIMIT_LOW]) {  in throtl_downgrade_check()
2037 		if (bps >= tg->bps[READ][LIMIT_LOW])  in throtl_downgrade_check()
2041 	if (tg->bps[WRITE][LIMIT_LOW]) {  in throtl_downgrade_check()
2044 		if (bps >= tg->bps[WRITE][LIMIT_LOW])  in throtl_downgrade_check()
2048 	if (tg->iops[READ][LIMIT_LOW]) {  in throtl_downgrade_check()
2050 		if (iops >= tg->iops[READ][LIMIT_LOW])  in throtl_downgrade_check()
2054 	if (tg->iops[WRITE][LIMIT_LOW]) {  in throtl_downgrade_check()
2056 		if (iops >= tg->iops[WRITE][LIMIT_LOW])  in throtl_downgrade_check()
2098 	if (!blk_queue_nonrot(td->queue) || !td->limit_valid[LIMIT_LOW])  in throtl_update_latency_buckets()
2300 	if (!td || td->limit_index != LIMIT_LOW ||  in throtl_track_latency()
2336 	if (!tg->td->limit_valid[LIMIT_LOW])  in blk_throtl_bio_endio()