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SubjectRe: [PATCH 1/2] blk-mq: don't complete un-started request in timeout handler
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On Thu, 2017-03-16 at 08:07 +0800, Ming Lei wrote:
> > * Check whether REQ_ATOM_STARTED has been set.
> > * Check whether REQ_ATOM_COMPLETE has not yet been set.
> > * If both conditions have been met, set REQ_ATOM_COMPLETE.
> >
> > I don't think there is another solution than using a single state variable to
> > represent the REQ_ATOM_STARTED and REQ_ATOM_COMPLETE states instead of two
> > independent bits. How about the patch below?
>
> I would review it if you can confirm me that it is a real issue, :-)

Hello Ming,

I was chasing a v4.11 regression in the SCSI stack. Since my tests of today
revealed that it's probably not a block layer issue, let's proceed with your
patch.

Bart.
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