904 	u64 wb_thresh;  in __wb_calc_thresh()  local
915 	wb_thresh = (thresh * (100 * BDI_RATIO_SCALE - bdi_min_ratio)) / (100 * BDI_RATIO_SCALE);  in __wb_calc_thresh()
916 	wb_thresh *= numerator;  in __wb_calc_thresh()
917 	wb_thresh = div64_ul(wb_thresh, denominator);  in __wb_calc_thresh()
921 	wb_thresh += (thresh * wb_min_ratio) / (100 * BDI_RATIO_SCALE);  in __wb_calc_thresh()
932 			wb_thresh = max(wb_thresh, (thresh - dtc->dirty) / 100);  in __wb_calc_thresh()
934 			wb_thresh = max(wb_thresh, (thresh - dtc->dirty) / 8);  in __wb_calc_thresh()
938 	if (wb_thresh > wb_max_thresh)  in __wb_calc_thresh()
939 		wb_thresh = wb_max_thresh;  in __wb_calc_thresh()
941 	return wb_thresh;  in __wb_calc_thresh()
1076 	unsigned long wb_thresh = dtc->wb_thresh;  in wb_position_ratio()  local
1125 		if (dtc->wb_dirty >= wb_thresh)  in wb_position_ratio()
1128 		wb_setpoint = dirty_freerun_ceiling(wb_thresh,  in wb_position_ratio()
1131 		if (wb_setpoint == 0 || wb_setpoint == wb_thresh)  in wb_position_ratio()
1135 						 wb_thresh);  in wb_position_ratio()
1193 	if (unlikely(wb_thresh > dtc->thresh))  in wb_position_ratio()
1194 		wb_thresh = dtc->thresh;  in wb_position_ratio()
1199 	x = div_u64((u64)wb_thresh << 16, dtc->thresh | 1);  in wb_position_ratio()
1209 	span = (dtc->thresh - wb_thresh + 8 * write_bw) * (u64)x >> 16;  in wb_position_ratio()
1223 	x_intercept = wb_thresh / 2;  in wb_position_ratio()
1453 		setpoint = (dtc->wb_thresh + dtc->wb_bg_thresh) / 2;  in wb_update_dirty_ratelimit()
1687 	dtc->wb_thresh = __wb_calc_thresh(dtc, dtc->thresh);  in wb_dirty_limits()
1689 		div_u64((u64)dtc->wb_thresh * dtc->bg_thresh, dtc->thresh) : 0;  in wb_dirty_limits()
1701 	if (dtc->wb_thresh < 2 * wb_stat_error()) {  in wb_dirty_limits()
1717 		thresh = dtc->wb_thresh;  in domain_poll_intv()
1743 		thresh = dtc->wb_thresh;  in domain_dirty_freerun()
1779 		       dirty_freerun_ceiling(dtc->wb_thresh, dtc->wb_bg_thresh);  in wb_dirty_freerun()
1785 	dtc->dirty_exceeded = (dtc->wb_dirty > dtc->wb_thresh) &&  in wb_dirty_exceeded()