[PATCH v5 1/3] blk-mq: introduce blk_mq_set_request_complete

Christoph Hellwig hch at lst.de
Thu Feb 4 10:30:14 EST 2021


On Thu, Feb 04, 2021 at 08:27:46AM -0700, Jens Axboe wrote:
> On 1/31/21 8:49 PM, Chao Leng wrote:
> > nvme drivers need to set the state of request to MQ_RQ_COMPLETE when
> > directly complete request in queue_rq.
> > So add blk_mq_set_request_complete.
> 
> This is a bit iffy, but looks ok for the intended use case. We just have
> to be careful NOT to add frivolous users of it...

Yes, that is my main issue with it.  The current use case looks fine,
but I suspect every time someone else uses it it's probly going to be
as misuse.  I've applied this to nvme-5.12 with the rest of the patches,
it should be on its way to you soon.



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