137 	unsigned long		wb_thresh;  member
753 	u64 wb_thresh;  in __wb_calc_thresh()  local
763 	wb_thresh = (thresh * (100 - bdi_min_ratio)) / 100;  in __wb_calc_thresh()
764 	wb_thresh *= numerator;  in __wb_calc_thresh()
765 	wb_thresh = div64_ul(wb_thresh, denominator);  in __wb_calc_thresh()
769 	wb_thresh += (thresh * wb_min_ratio) / 100;  in __wb_calc_thresh()
770 	if (wb_thresh > (thresh * wb_max_ratio) / 100)  in __wb_calc_thresh()
771 		wb_thresh = thresh * wb_max_ratio / 100;  in __wb_calc_thresh()
773 	return wb_thresh;  in __wb_calc_thresh()
895 	unsigned long wb_thresh = dtc->wb_thresh;  in wb_position_ratio()  local
950 		if (dtc->wb_dirty >= wb_thresh)  in wb_position_ratio()
953 		wb_setpoint = dirty_freerun_ceiling(wb_thresh,  in wb_position_ratio()
956 		if (wb_setpoint == 0 || wb_setpoint == wb_thresh)  in wb_position_ratio()
960 						 wb_thresh);  in wb_position_ratio()
1018 	if (unlikely(wb_thresh > dtc->thresh))  in wb_position_ratio()
1019 		wb_thresh = dtc->thresh;  in wb_position_ratio()
1027 	wb_thresh = max(wb_thresh, (limit - dtc->dirty) / 8);  in wb_position_ratio()
1032 	x = div_u64((u64)wb_thresh << 16, dtc->thresh | 1);  in wb_position_ratio()
1042 	span = (dtc->thresh - wb_thresh + 8 * write_bw) * (u64)x >> 16;  in wb_position_ratio()
1056 	x_intercept = wb_thresh / 2;  in wb_position_ratio()
1293 			setpoint = (dtc->wb_thresh + dtc->wb_bg_thresh) / 2;  in wb_update_dirty_ratelimit()
1527 	dtc->wb_thresh = __wb_calc_thresh(dtc);  in wb_dirty_limits()
1529 		div_u64((u64)dtc->wb_thresh * dtc->bg_thresh, dtc->thresh) : 0;  in wb_dirty_limits()
1541 	if (dtc->wb_thresh < 2 * wb_stat_error()) {  in wb_dirty_limits()
1597 			thresh = gdtc->wb_thresh;  in balance_dirty_pages()
1622 				m_thresh = mdtc->wb_thresh;  in balance_dirty_pages()
1689 			    dirty_freerun_ceiling(gdtc->wb_thresh,  in balance_dirty_pages()
1698 		dirty_exceeded = (gdtc->wb_dirty > gdtc->wb_thresh) &&  in balance_dirty_pages()
1716 				    dirty_freerun_ceiling(mdtc->wb_thresh,  in balance_dirty_pages()
1725 			dirty_exceeded |= (mdtc->wb_dirty > mdtc->wb_thresh) &&  in balance_dirty_pages()
1770 						  sdtc->wb_thresh,  in balance_dirty_pages()
1799 					  sdtc->wb_thresh,  in balance_dirty_pages()