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    SubjectRe: [PATCH 7/9] block: implement bio_associate_current()
    On Thu, Feb 16, 2012 at 02:37:56PM -0800, Tejun Heo wrote:

    > This patch implements bio_associate_current() which associates the
    > specified bio with %current. The bio will record the associated ioc
    > and blkcg at that point and block layer will use the recorded ones
    > regardless of which task actually ends up issuing the bio. bio
    > release puts the associated ioc and blkcg.

    How about storing blkcg information in io_context instead of bio. We will
    have less copies of bio pointers and I think logically it makes sense.


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