102 	LIMIT_LOW,  enumerator
310 	if (ret == 0 && td->limit_index == LIMIT_LOW) {  in tg_bps_limit()
319 	if (td->limit_index == LIMIT_MAX && tg->bps[rw][LIMIT_LOW] &&  in tg_bps_limit()
320 	    tg->bps[rw][LIMIT_LOW] != tg->bps[rw][LIMIT_MAX]) {  in tg_bps_limit()
323 		adjusted = throtl_adjusted_limit(tg->bps[rw][LIMIT_LOW], td);  in tg_bps_limit()
340 	if (ret == 0 && tg->td->limit_index == LIMIT_LOW) {  in tg_iops_limit()
349 	if (td->limit_index == LIMIT_MAX && tg->iops[rw][LIMIT_LOW] &&  in tg_iops_limit()
350 	    tg->iops[rw][LIMIT_LOW] != tg->iops[rw][LIMIT_MAX]) {  in tg_iops_limit()
353 		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()
625 	tg->bps[READ][LIMIT_LOW] = 0;  in throtl_pd_offline()
626 	tg->bps[WRITE][LIMIT_LOW] = 0;  in throtl_pd_offline()
627 	tg->iops[READ][LIMIT_LOW] = 0;  in throtl_pd_offline()
628 	tg->iops[WRITE][LIMIT_LOW] = 0;  in throtl_pd_offline()
1598 	if (off == LIMIT_LOW) {  in tg_prfill_limit()
1610 	    (off != LIMIT_LOW ||  in tg_prfill_limit()
1627 	if (off == LIMIT_LOW) {  in tg_prfill_limit()
1710 		else if (off == LIMIT_LOW && !strcmp(tok, "idle"))  in tg_set_limit()
1712 		else if (off == LIMIT_LOW && !strcmp(tok, "latency"))  in tg_set_limit()
1729 	tg->bps[READ][LIMIT_LOW] = min(tg->bps_conf[READ][LIMIT_LOW],  in tg_set_limit()
1731 	tg->bps[WRITE][LIMIT_LOW] = min(tg->bps_conf[WRITE][LIMIT_LOW],  in tg_set_limit()
1733 	tg->iops[READ][LIMIT_LOW] = min(tg->iops_conf[READ][LIMIT_LOW],  in tg_set_limit()
1735 	tg->iops[WRITE][LIMIT_LOW] = min(tg->iops_conf[WRITE][LIMIT_LOW],  in tg_set_limit()
1741 	if (!(tg->bps[READ][LIMIT_LOW] || tg->iops[READ][LIMIT_LOW] ||  in tg_set_limit()
1742 	      tg->bps[WRITE][LIMIT_LOW] || tg->iops[WRITE][LIMIT_LOW]) ||  in tg_set_limit()
1745 		tg->bps[READ][LIMIT_LOW] = 0;  in tg_set_limit()
1746 		tg->bps[WRITE][LIMIT_LOW] = 0;  in tg_set_limit()
1747 		tg->iops[READ][LIMIT_LOW] = 0;  in tg_set_limit()
1748 		tg->iops[WRITE][LIMIT_LOW] = 0;  in tg_set_limit()
1751 	} else if (index == LIMIT_LOW) {  in tg_set_limit()
1757 	if (tg->td->limit_valid[LIMIT_LOW]) {  in tg_set_limit()
1758 		if (index == LIMIT_LOW)  in tg_set_limit()
1759 			tg->td->limit_index = LIMIT_LOW;  in tg_set_limit()
1762 	tg_conf_updated(tg, index == LIMIT_LOW &&  in tg_set_limit()
1763 		tg->td->limit_valid[LIMIT_LOW]);  in tg_set_limit()
1777 		.private = LIMIT_LOW,
1812 	if (tg->bps[READ][LIMIT_LOW] || tg->iops[READ][LIMIT_LOW])  in __tg_last_low_overflow_time()
1814 	if (tg->bps[WRITE][LIMIT_LOW] || tg->iops[WRITE][LIMIT_LOW])  in __tg_last_low_overflow_time()
1836 		if (!parent->bps[READ][LIMIT_LOW] &&  in tg_last_low_overflow_time()
1837 		    !parent->iops[READ][LIMIT_LOW] &&  in tg_last_low_overflow_time()
1838 		    !parent->bps[WRITE][LIMIT_LOW] &&  in tg_last_low_overflow_time()
1839 		    !parent->iops[WRITE][LIMIT_LOW])  in tg_last_low_overflow_time()
1882 	read_limit = tg->bps[READ][LIMIT_LOW] || tg->iops[READ][LIMIT_LOW];  in throtl_tg_can_upgrade()
1883 	write_limit = tg->bps[WRITE][LIMIT_LOW] || tg->iops[WRITE][LIMIT_LOW];  in throtl_tg_can_upgrade()
1918 	if (td->limit_index != LIMIT_LOW)  in throtl_can_upgrade()
1945 	if (tg->td->limit_index != LIMIT_LOW)  in throtl_upgrade_check()
1995 	td->limit_index = LIMIT_LOW;  in throtl_downgrade_state()
2037 	    !tg->td->limit_valid[LIMIT_LOW])  in throtl_downgrade_check()
2051 	if (tg->bps[READ][LIMIT_LOW]) {  in throtl_downgrade_check()
2054 		if (bps >= tg->bps[READ][LIMIT_LOW])  in throtl_downgrade_check()
2058 	if (tg->bps[WRITE][LIMIT_LOW]) {  in throtl_downgrade_check()
2061 		if (bps >= tg->bps[WRITE][LIMIT_LOW])  in throtl_downgrade_check()
2065 	if (tg->iops[READ][LIMIT_LOW]) {  in throtl_downgrade_check()
2068 		if (iops >= tg->iops[READ][LIMIT_LOW])  in throtl_downgrade_check()
2072 	if (tg->iops[WRITE][LIMIT_LOW]) {  in throtl_downgrade_check()
2075 		if (iops >= tg->iops[WRITE][LIMIT_LOW])  in throtl_downgrade_check()
2117 	if (!blk_queue_nonrot(td->queue) || !td->limit_valid[LIMIT_LOW])  in throtl_update_latency_buckets()
2338 	if (!td || td->limit_index != LIMIT_LOW ||  in throtl_track_latency()
2374 	if (!tg->td->limit_valid[LIMIT_LOW])  in blk_throtl_bio_endio()