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

    (2010/12/08 17:06), Jens Axboe 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
    >
    > Yes I know, that is why I said:
    >
    >>> 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.
    >
    > That I prefer we fix that code up, since I think it's the best solution
    > to the problem.
    >

    I already postedit.

    https://lkml.org/lkml/2010/12/8/12

    I think it is OK without mail subject :-)

    Thanks,
    Satoru



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