Commit b9f8ce05 authored May 24, 2011 by Namhyung Kim Committed by Jens Axboe May 24, 2011

cfq-iosched: algebraic simplification in cfq_prio_to_maxrq()



Simplify the calculation in cfq_prio_to_maxrq(), plus replace CFQ_PRIO_LISTS to
IOPRIO_BE_NR since they are the same and IOPRIO_BE_NR looks more reasonable in
this context IMHO.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

parent 4cbadbd1

block/cfq-iosched.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -2102,7 +2102,7 @@ cfq_prio_to_maxrq(struct cfq_data cfqd, struct cfq_queue cfqq)

		WARN_ON(cfqq->ioprio >= IOPRIO_BE_NR);

		return 2 * (base_rq + base_rq * (CFQ_PRIO_LISTS - 1 - cfqq->ioprio));
		return 2 * base_rq * (IOPRIO_BE_NR - cfqq->ioprio);
		}

		/*