Re: [PATCH 1/4] cfq-iosched: algebraic simplification in cfq_prio_to_maxrq()

[Jens Axboe]

On 2011-05-24 05:18, Namhyung Kim wrote:
> 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.

Double checked your math, it is indeed identical to
2*base_rq*IOPRIO_BE_NR - 2*base_rq*cfqq->ioprio. Looks a lot cleaner,
thanks.

-- 
Jens Axboe

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