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    SubjectRe: [PATCH UPDATED 21/32] fs/aio: aio_wq isn't used in memory reclaim path
    Tejun Heo <> writes:

    > aio_wq isn't used during memory reclaim. Convert to alloc_workqueue()
    > without WQ_MEM_RECLAIM. It's possible to use system_wq but given that
    > the number of work items is determined from userland and the work item
    > may block, enforcing strict concurrency limit would be a good idea.
    > Also, move fput_work to system_wq so that aio_wq is used soley to
    > throttle the max concurrency of aio work items and fput_work doesn't
    > interact with other work items.
    > Signed-off-by: Tejun Heo <>
    > Cc: Benjamin LaHaise <>
    > Cc: Jeff Moyer <>

    You actually missed that CC. ;-)

    > Cc:
    > ---
    > Patch description updated to describe fput_work change. If there's no
    > further objection, I'll push it through workqueue#for-2.6.39. Thanks.

    Looks good to me, based on not changing existing semantics.

    Acked-by: Jeff Moyer <>


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