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    SubjectRe: [PATCH 1/2] Don't merge different partition's IOs
    Hi Jens,

    (2010/12/08 16:33), Jens Axboe wrote:
    > On 2010-12-07 15:18, Satoru Takeuchi wrote:

    >> I hit on another approach. Although it doesn'tprevent any merge as Linus
    >> preferred, it can fix the problem anyway. In this idea, in_flight is
    >> incremented and decremented for the partition which the request belonged
    >> to in its creation. It has the following merits.

    Revert is already finished. 2.6.37-rc-5 and latest stable kernel doesn't
    contain Yasuaki's former logic.

    https://lkml.org/lkml/2010/10/24/118

    >
    > I really would prefer if we fixed up the patchset we ended up reverting.
    > At least that had a purpose with growing struct request, since we saved
    > on doing the partition lookups.
    >

    Thanks,
    Satoru



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