138 	struct rq_depth rq_depth;  member
277 	return rq_wait_inc_below(rqw, iolat->rq_depth.max_depth);  in iolat_acquire_inflight()
369 	unsigned long old = iolat->rq_depth.max_depth;  in scale_change()
381 			iolat->rq_depth.max_depth = old;  in scale_change()
386 		iolat->rq_depth.max_depth = max(old, 1UL);  in scale_change()
444 	if (iolat->rq_depth.max_depth == 1 && direction < 0) {  in check_scale_change()
452 		iolat->rq_depth.max_depth = UINT_MAX;  in check_scale_change()
507 	if (unlikely(issue_as_root && iolat->rq_depth.max_depth != UINT_MAX)) {  in iolatency_record_time()
908 	if (iolat->rq_depth.max_depth == UINT_MAX)  in iolatency_ssd_stat()
915 			 iolat->rq_depth.max_depth);  in iolatency_ssd_stat()
933 	if (iolat->rq_depth.max_depth == UINT_MAX)  in iolatency_pd_stat()
938 			 iolat->rq_depth.max_depth, avg_lat, cur_win);  in iolatency_pd_stat()
983 	iolat->rq_depth.queue_depth = blkg->q->nr_requests;  in iolatency_pd_init()
984 	iolat->rq_depth.max_depth = UINT_MAX;  in iolatency_pd_init()
985 	iolat->rq_depth.default_depth = iolat->rq_depth.queue_depth;  in iolatency_pd_init()