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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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