509 	for (rw = READ; rw <= WRITE; rw++) {  in throtl_pd_alloc()
516 	tg->bps[WRITE][LIMIT_MAX] = U64_MAX;  in throtl_pd_alloc()
518 	tg->iops[WRITE][LIMIT_MAX] = UINT_MAX;  in throtl_pd_alloc()
520 	tg->bps_conf[WRITE][LIMIT_MAX] = U64_MAX;  in throtl_pd_alloc()
522 	tg->iops_conf[WRITE][LIMIT_MAX] = UINT_MAX;  in throtl_pd_alloc()
576 	for (rw = READ; rw <= WRITE; rw++)  in tg_update_has_rules()
603 		if (tg->bps[READ][LIMIT_LOW] || tg->bps[WRITE][LIMIT_LOW] ||  in blk_throtl_update_limit_valid()
604 		    tg->iops[READ][LIMIT_LOW] || tg->iops[WRITE][LIMIT_LOW]) {  in blk_throtl_update_limit_valid()
620 	tg->bps[WRITE][LIMIT_LOW] = 0;  in throtl_pd_offline()
622 	tg->iops[WRITE][LIMIT_LOW] = 0;  in throtl_pd_offline()
1119 	bio = throtl_peek_queued(&sq->queued[WRITE]);  in tg_update_disptime()
1207 	while ((bio = throtl_peek_queued(&sq->queued[WRITE])) &&  in throtl_dispatch_tg()
1290 			   sq->nr_queued[READ] + sq->nr_queued[WRITE],  in throtl_pending_timer_fn()
1291 			   sq->nr_queued[READ], sq->nr_queued[WRITE]);  in throtl_pending_timer_fn()
1352 	for (rw = READ; rw <= WRITE; rw++)  in blk_throtl_dispatch_work_fn()
1409 		   tg_bps_limit(tg, READ), tg_bps_limit(tg, WRITE),  in tg_conf_updated()
1410 		   tg_iops_limit(tg, READ), tg_iops_limit(tg, WRITE));  in tg_conf_updated()
1449 	throtl_start_new_slice(tg, WRITE);  in tg_conf_updated()
1537 		.private = offsetof(struct throtl_grp, bps[WRITE][LIMIT_MAX]),
1549 		.private = offsetof(struct throtl_grp, iops[WRITE][LIMIT_MAX]),
1599 	    tg->bps_conf[WRITE][off] == bps_dft &&  in tg_prfill_limit()
1601 	    tg->iops_conf[WRITE][off] == iops_dft &&  in tg_prfill_limit()
1610 	if (tg->bps_conf[WRITE][off] != U64_MAX)  in tg_prfill_limit()
1612 			tg->bps_conf[WRITE][off]);  in tg_prfill_limit()
1616 	if (tg->iops_conf[WRITE][off] != UINT_MAX)  in tg_prfill_limit()
1618 			tg->iops_conf[WRITE][off]);  in tg_prfill_limit()
1665 	v[1] = tg->bps_conf[WRITE][index];  in tg_set_limit()
1667 	v[3] = tg->iops_conf[WRITE][index];  in tg_set_limit()
1711 	tg->bps_conf[WRITE][index] = v[1];  in tg_set_limit()
1713 	tg->iops_conf[WRITE][index] = v[3];  in tg_set_limit()
1717 		tg->bps[WRITE][index] = v[1];  in tg_set_limit()
1719 		tg->iops[WRITE][index] = v[3];  in tg_set_limit()
1723 	tg->bps[WRITE][LIMIT_LOW] = min(tg->bps_conf[WRITE][LIMIT_LOW],  in tg_set_limit()
1724 		tg->bps_conf[WRITE][LIMIT_MAX]);  in tg_set_limit()
1727 	tg->iops[WRITE][LIMIT_LOW] = min(tg->iops_conf[WRITE][LIMIT_LOW],  in tg_set_limit()
1728 		tg->iops_conf[WRITE][LIMIT_MAX]);  in tg_set_limit()
1734 	      tg->bps[WRITE][LIMIT_LOW] || tg->iops[WRITE][LIMIT_LOW]) ||  in tg_set_limit()
1738 		tg->bps[WRITE][LIMIT_LOW] = 0;  in tg_set_limit()
1740 		tg->iops[WRITE][LIMIT_LOW] = 0;  in tg_set_limit()
1806 	if (tg->bps[WRITE][LIMIT_LOW] || tg->iops[WRITE][LIMIT_LOW])  in __tg_last_low_overflow_time()
1807 		wtime = tg->last_low_overflow_time[WRITE];  in __tg_last_low_overflow_time()
1830 		    !parent->bps[WRITE][LIMIT_LOW] &&  in tg_last_low_overflow_time()
1831 		    !parent->iops[WRITE][LIMIT_LOW])  in tg_last_low_overflow_time()
1875 	write_limit = tg->bps[WRITE][LIMIT_LOW] || tg->iops[WRITE][LIMIT_LOW];  in throtl_tg_can_upgrade()
1879 	    (!write_limit || sq->nr_queued[WRITE]))  in throtl_tg_can_upgrade()
1881 	if (write_limit && sq->nr_queued[WRITE] &&  in throtl_tg_can_upgrade()
2050 	if (tg->bps[WRITE][LIMIT_LOW]) {  in throtl_downgrade_check()
2051 		bps = tg->last_bytes_disp[WRITE] * HZ;  in throtl_downgrade_check()
2053 		if (bps >= tg->bps[WRITE][LIMIT_LOW])  in throtl_downgrade_check()
2054 			tg->last_low_overflow_time[WRITE] = now;  in throtl_downgrade_check()
2064 	if (tg->iops[WRITE][LIMIT_LOW]) {  in throtl_downgrade_check()
2065 		tg->last_io_disp[WRITE] += atomic_xchg(&tg->last_io_split_cnt[WRITE], 0);  in throtl_downgrade_check()
2066 		iops = tg->last_io_disp[WRITE] * HZ / elapsed_time;  in throtl_downgrade_check()
2067 		if (iops >= tg->iops[WRITE][LIMIT_LOW])  in throtl_downgrade_check()
2068 			tg->last_low_overflow_time[WRITE] = now;  in throtl_downgrade_check()
2079 	tg->last_bytes_disp[WRITE] = 0;  in throtl_downgrade_check()
2081 	tg->last_io_disp[WRITE] = 0;  in throtl_downgrade_check()
2116 	for (rw = READ; rw <= WRITE; rw++) {  in throtl_update_latency_buckets()
2147 	for (rw = READ; rw <= WRITE; rw++) {  in throtl_update_latency_buckets()
2175 			td->avg_buckets[WRITE][i].latency,  in throtl_update_latency_buckets()
2176 			td->avg_buckets[WRITE][i].valid);  in throtl_update_latency_buckets()
2291 		   sq->nr_queued[READ], sq->nr_queued[WRITE]);  in blk_throtl_bio()
2421 	td->latency_buckets[WRITE] = __alloc_percpu(sizeof(struct latency_bucket) *  in blk_throtl_init()
2423 	if (!td->latency_buckets[WRITE]) {  in blk_throtl_init()
2444 		free_percpu(td->latency_buckets[WRITE]);  in blk_throtl_init()
2457 	free_percpu(q->td->latency_buckets[WRITE]);  in blk_throtl_exit()
2477 			td->avg_buckets[WRITE][i].latency = DFL_HD_BASELINE_LATENCY;  in blk_throtl_register_queue()