BFQ_WEIGHT_CONVERSION_COEFF  514 block/bfq-wf2q.c 	return (IOPRIO_BE_NR - ioprio) * BFQ_WEIGHT_CONVERSION_COEFF;
BFQ_WEIGHT_CONVERSION_COEFF  528 block/bfq-wf2q.c 		     IOPRIO_BE_NR * BFQ_WEIGHT_CONVERSION_COEFF - weight);