103 	LIMIT_LOW,  enumerator
311 	if (ret == 0 && td->limit_index == LIMIT_LOW) {  in tg_bps_limit()
320 	if (td->limit_index == LIMIT_MAX && tg->bps[rw][LIMIT_LOW] &&  in tg_bps_limit()
321 	    tg->bps[rw][LIMIT_LOW] != tg->bps[rw][LIMIT_MAX]) {  in tg_bps_limit()
324 		adjusted = throtl_adjusted_limit(tg->bps[rw][LIMIT_LOW], td);  in tg_bps_limit()
341 	if (ret == 0 && tg->td->limit_index == LIMIT_LOW) {  in tg_iops_limit()
350 	if (td->limit_index == LIMIT_MAX && tg->iops[rw][LIMIT_LOW] &&  in tg_iops_limit()
351 	    tg->iops[rw][LIMIT_LOW] != tg->iops[rw][LIMIT_MAX]) {  in tg_iops_limit()
354 		adjusted = throtl_adjusted_limit(tg->iops[rw][LIMIT_LOW], td);  in tg_iops_limit()
604 		if (tg->bps[READ][LIMIT_LOW] || tg->bps[WRITE][LIMIT_LOW] ||  in blk_throtl_update_limit_valid()
605 		    tg->iops[READ][LIMIT_LOW] || tg->iops[WRITE][LIMIT_LOW]) {  in blk_throtl_update_limit_valid()
612 	td->limit_valid[LIMIT_LOW] = low_valid;  in blk_throtl_update_limit_valid()
620 	tg->bps[READ][LIMIT_LOW] = 0;  in throtl_pd_offline()
621 	tg->bps[WRITE][LIMIT_LOW] = 0;  in throtl_pd_offline()
622 	tg->iops[READ][LIMIT_LOW] = 0;  in throtl_pd_offline()
623 	tg->iops[WRITE][LIMIT_LOW] = 0;  in throtl_pd_offline()
1621 	if (off == LIMIT_LOW) {  in tg_prfill_limit()
1633 	    (off != LIMIT_LOW ||  in tg_prfill_limit()
1650 	if (off == LIMIT_LOW) {  in tg_prfill_limit()
1736 		else if (off == LIMIT_LOW && !strcmp(tok, "idle"))  in tg_set_limit()
1738 		else if (off == LIMIT_LOW && !strcmp(tok, "latency"))  in tg_set_limit()
1755 	tg->bps[READ][LIMIT_LOW] = min(tg->bps_conf[READ][LIMIT_LOW],  in tg_set_limit()
1757 	tg->bps[WRITE][LIMIT_LOW] = min(tg->bps_conf[WRITE][LIMIT_LOW],  in tg_set_limit()
1759 	tg->iops[READ][LIMIT_LOW] = min(tg->iops_conf[READ][LIMIT_LOW],  in tg_set_limit()
1761 	tg->iops[WRITE][LIMIT_LOW] = min(tg->iops_conf[WRITE][LIMIT_LOW],  in tg_set_limit()
1767 	if (!(tg->bps[READ][LIMIT_LOW] || tg->iops[READ][LIMIT_LOW] ||  in tg_set_limit()
1768 	      tg->bps[WRITE][LIMIT_LOW] || tg->iops[WRITE][LIMIT_LOW]) ||  in tg_set_limit()
1771 		tg->bps[READ][LIMIT_LOW] = 0;  in tg_set_limit()
1772 		tg->bps[WRITE][LIMIT_LOW] = 0;  in tg_set_limit()
1773 		tg->iops[READ][LIMIT_LOW] = 0;  in tg_set_limit()
1774 		tg->iops[WRITE][LIMIT_LOW] = 0;  in tg_set_limit()
1777 	} else if (index == LIMIT_LOW) {  in tg_set_limit()
1783 	if (tg->td->limit_valid[LIMIT_LOW]) {  in tg_set_limit()
1784 		if (index == LIMIT_LOW)  in tg_set_limit()
1785 			tg->td->limit_index = LIMIT_LOW;  in tg_set_limit()
1788 	tg_conf_updated(tg, index == LIMIT_LOW &&  in tg_set_limit()
1789 		tg->td->limit_valid[LIMIT_LOW]);  in tg_set_limit()
1804 		.private = LIMIT_LOW,
1839 	if (tg->bps[READ][LIMIT_LOW] || tg->iops[READ][LIMIT_LOW])  in __tg_last_low_overflow_time()
1841 	if (tg->bps[WRITE][LIMIT_LOW] || tg->iops[WRITE][LIMIT_LOW])  in __tg_last_low_overflow_time()
1863 		if (!parent->bps[READ][LIMIT_LOW] &&  in tg_last_low_overflow_time()
1864 		    !parent->iops[READ][LIMIT_LOW] &&  in tg_last_low_overflow_time()
1865 		    !parent->bps[WRITE][LIMIT_LOW] &&  in tg_last_low_overflow_time()
1866 		    !parent->iops[WRITE][LIMIT_LOW])  in tg_last_low_overflow_time()
1909 	read_limit = tg->bps[READ][LIMIT_LOW] || tg->iops[READ][LIMIT_LOW];  in throtl_tg_can_upgrade()
1910 	write_limit = tg->bps[WRITE][LIMIT_LOW] || tg->iops[WRITE][LIMIT_LOW];  in throtl_tg_can_upgrade()
1945 	if (td->limit_index != LIMIT_LOW)  in throtl_can_upgrade()
1972 	if (tg->td->limit_index != LIMIT_LOW)  in throtl_upgrade_check()
2022 	td->limit_index = LIMIT_LOW;  in throtl_downgrade_state()
2064 	    !tg->td->limit_valid[LIMIT_LOW])  in throtl_downgrade_check()
2078 	if (tg->bps[READ][LIMIT_LOW]) {  in throtl_downgrade_check()
2081 		if (bps >= tg->bps[READ][LIMIT_LOW])  in throtl_downgrade_check()
2085 	if (tg->bps[WRITE][LIMIT_LOW]) {  in throtl_downgrade_check()
2088 		if (bps >= tg->bps[WRITE][LIMIT_LOW])  in throtl_downgrade_check()
2092 	if (tg->iops[READ][LIMIT_LOW]) {  in throtl_downgrade_check()
2095 		if (iops >= tg->iops[READ][LIMIT_LOW])  in throtl_downgrade_check()
2099 	if (tg->iops[WRITE][LIMIT_LOW]) {  in throtl_downgrade_check()
2102 		if (iops >= tg->iops[WRITE][LIMIT_LOW])  in throtl_downgrade_check()
2144 	if (!blk_queue_nonrot(td->queue) || !td->limit_valid[LIMIT_LOW])  in throtl_update_latency_buckets()
2365 	if (!td || td->limit_index != LIMIT_LOW ||  in throtl_track_latency()
2401 	if (!tg->td->limit_valid[LIMIT_LOW])  in blk_throtl_bio_endio()