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    SubjectRe: [PATCH 2/4] bdi: Add bdi->id
    Hello,

    On Thu, Aug 15, 2019 at 04:46:23PM +0200, Jan Kara wrote:
    > Although I would note that here you take effort not to recycle bdi->id so
    > that you don't flush wrong devices while in patch 4 you take pretty lax
    > approach to feeding garbage into the writeback system. So these two don't
    > quite match to me...

    So, I was trying to avoid systemic errors where the wrong thing can be
    triggered repeatedly. A wrong flush once in a blue moon shouldn't be
    a big problem but if they can be triggered consistently by some
    pathological behavior, it's an a lot bigger problem.

    Thanks.

    --
    tejun

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