wb_min_ratio 770 mm/page-writeback.c unsigned long wb_min_ratio, wb_max_ratio; wb_min_ratio 782 mm/page-writeback.c wb_min_max_ratio(dtc->wb, &wb_min_ratio, &wb_max_ratio); wb_min_ratio 784 mm/page-writeback.c wb_thresh += (thresh * wb_min_ratio) / 100;