494 	for (rw = READ; rw <= WRITE; rw++) {  in throtl_pd_alloc()
501 	tg->bps[WRITE][LIMIT_MAX] = U64_MAX;  in throtl_pd_alloc()
503 	tg->iops[WRITE][LIMIT_MAX] = UINT_MAX;  in throtl_pd_alloc()
505 	tg->bps_conf[WRITE][LIMIT_MAX] = U64_MAX;  in throtl_pd_alloc()
507 	tg->iops_conf[WRITE][LIMIT_MAX] = UINT_MAX;  in throtl_pd_alloc()
555 	for (rw = READ; rw <= WRITE; rw++)  in tg_update_has_rules()
582 		if (tg->bps[READ][LIMIT_LOW] || tg->bps[WRITE][LIMIT_LOW] ||  in blk_throtl_update_limit_valid()
583 		    tg->iops[READ][LIMIT_LOW] || tg->iops[WRITE][LIMIT_LOW]) {  in blk_throtl_update_limit_valid()
599 	tg->bps[WRITE][LIMIT_LOW] = 0;  in throtl_pd_offline()
601 	tg->iops[WRITE][LIMIT_LOW] = 0;  in throtl_pd_offline()
1088 	bio = throtl_peek_queued(&sq->queued[WRITE]);  in tg_update_disptime()
1176 	while ((bio = throtl_peek_queued(&sq->queued[WRITE])) &&  in throtl_dispatch_tg()
1255 			   sq->nr_queued[READ] + sq->nr_queued[WRITE],  in throtl_pending_timer_fn()
1256 			   sq->nr_queued[READ], sq->nr_queued[WRITE]);  in throtl_pending_timer_fn()
1317 	for (rw = READ; rw <= WRITE; rw++)  in blk_throtl_dispatch_work_fn()
1374 		   tg_bps_limit(tg, READ), tg_bps_limit(tg, WRITE),  in tg_conf_updated()
1375 		   tg_iops_limit(tg, READ), tg_iops_limit(tg, WRITE));  in tg_conf_updated()
1476 		.private = offsetof(struct throtl_grp, bps[WRITE][LIMIT_MAX]),
1488 		.private = offsetof(struct throtl_grp, iops[WRITE][LIMIT_MAX]),
1538 	    tg->bps_conf[WRITE][off] == bps_dft &&  in tg_prfill_limit()
1540 	    tg->iops_conf[WRITE][off] == iops_dft &&  in tg_prfill_limit()
1549 	if (tg->bps_conf[WRITE][off] != U64_MAX)  in tg_prfill_limit()
1551 			tg->bps_conf[WRITE][off]);  in tg_prfill_limit()
1555 	if (tg->iops_conf[WRITE][off] != UINT_MAX)  in tg_prfill_limit()
1557 			tg->iops_conf[WRITE][off]);  in tg_prfill_limit()
1604 	v[1] = tg->bps_conf[WRITE][index];  in tg_set_limit()
1606 	v[3] = tg->iops_conf[WRITE][index];  in tg_set_limit()
1650 	tg->bps_conf[WRITE][index] = v[1];  in tg_set_limit()
1652 	tg->iops_conf[WRITE][index] = v[3];  in tg_set_limit()
1656 		tg->bps[WRITE][index] = v[1];  in tg_set_limit()
1658 		tg->iops[WRITE][index] = v[3];  in tg_set_limit()
1662 	tg->bps[WRITE][LIMIT_LOW] = min(tg->bps_conf[WRITE][LIMIT_LOW],  in tg_set_limit()
1663 		tg->bps_conf[WRITE][LIMIT_MAX]);  in tg_set_limit()
1666 	tg->iops[WRITE][LIMIT_LOW] = min(tg->iops_conf[WRITE][LIMIT_LOW],  in tg_set_limit()
1667 		tg->iops_conf[WRITE][LIMIT_MAX]);  in tg_set_limit()
1673 	      tg->bps[WRITE][LIMIT_LOW] || tg->iops[WRITE][LIMIT_LOW]) ||  in tg_set_limit()
1677 		tg->bps[WRITE][LIMIT_LOW] = 0;  in tg_set_limit()
1679 		tg->iops[WRITE][LIMIT_LOW] = 0;  in tg_set_limit()
1745 	if (tg->bps[WRITE][LIMIT_LOW] || tg->iops[WRITE][LIMIT_LOW])  in __tg_last_low_overflow_time()
1746 		wtime = tg->last_low_overflow_time[WRITE];  in __tg_last_low_overflow_time()
1769 		    !parent->bps[WRITE][LIMIT_LOW] &&  in tg_last_low_overflow_time()
1770 		    !parent->iops[WRITE][LIMIT_LOW])  in tg_last_low_overflow_time()
1814 	write_limit = tg->bps[WRITE][LIMIT_LOW] || tg->iops[WRITE][LIMIT_LOW];  in throtl_tg_can_upgrade()
1818 	    (!write_limit || sq->nr_queued[WRITE]))  in throtl_tg_can_upgrade()
1820 	if (write_limit && sq->nr_queued[WRITE] &&  in throtl_tg_can_upgrade()
1989 	if (tg->bps[WRITE][LIMIT_LOW]) {  in throtl_downgrade_check()
1990 		bps = tg->last_bytes_disp[WRITE] * HZ;  in throtl_downgrade_check()
1992 		if (bps >= tg->bps[WRITE][LIMIT_LOW])  in throtl_downgrade_check()
1993 			tg->last_low_overflow_time[WRITE] = now;  in throtl_downgrade_check()
2002 	if (tg->iops[WRITE][LIMIT_LOW]) {  in throtl_downgrade_check()
2003 		iops = tg->last_io_disp[WRITE] * HZ / elapsed_time;  in throtl_downgrade_check()
2004 		if (iops >= tg->iops[WRITE][LIMIT_LOW])  in throtl_downgrade_check()
2005 			tg->last_low_overflow_time[WRITE] = now;  in throtl_downgrade_check()
2016 	tg->last_bytes_disp[WRITE] = 0;  in throtl_downgrade_check()
2018 	tg->last_io_disp[WRITE] = 0;  in throtl_downgrade_check()
2049 	for (rw = READ; rw <= WRITE; rw++) {  in throtl_update_latency_buckets()
2080 	for (rw = READ; rw <= WRITE; rw++) {  in throtl_update_latency_buckets()
2108 			td->avg_buckets[WRITE][i].latency,  in throtl_update_latency_buckets()
2109 			td->avg_buckets[WRITE][i].valid);  in throtl_update_latency_buckets()
2195 		   sq->nr_queued[READ], sq->nr_queued[WRITE]);  in blk_throtl_bio()
2325 		while ((bio = throtl_peek_queued(&sq->queued[WRITE])))  in tg_drain_bios()
2363 	for (rw = READ; rw <= WRITE; rw++)  in blk_throtl_drain()
2385 	td->latency_buckets[WRITE] = __alloc_percpu(sizeof(struct latency_bucket) *  in blk_throtl_init()
2387 	if (!td->latency_buckets[WRITE]) {  in blk_throtl_init()
2408 		free_percpu(td->latency_buckets[WRITE]);  in blk_throtl_init()
2420 	free_percpu(q->td->latency_buckets[WRITE]);  in blk_throtl_exit()
2440 			td->avg_buckets[WRITE][i].latency = DFL_HD_BASELINE_LATENCY;  in blk_throtl_register_queue()