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Date: Tue, 24 May 2011 12:18:48 +0900 From: Namhyung Kim <namhyung@...il.com> To: Jens Axboe <axboe@...nel.dk> Cc: linux-kernel@...r.kernel.org Subject: [PATCH 1/4] 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@...il.com> --- block/cfq-iosched.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index ab7a9e6a9b1c..151a050e692c 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -2029,7 +2029,7 @@ 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); } /* -- 1.7.5.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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