linux-kernel - Re: [PATCH V3] NVMe: basic conversion to blk-mq

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Message-ID: <5388BDD8.9000202@bjorling.me>
Date:	Fri, 30 May 2014 19:20:24 +0200
From:	Matias Bjorling <m@...rling.me>
To:	Jens Axboe <axboe@...nel.dk>, Keith Busch <keith.busch@...el.com>
CC:	willy@...ux.intel.com, sbradshaw@...ron.com,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH V3] NVMe: basic conversion to blk-mq

On 05/30/2014 01:12 AM, Jens Axboe wrote:
> On 05/29/2014 05:06 PM, Jens Axboe wrote:
>> Ah I see, yes that code apparently got axed. The attached patch brings
>> it back. Totally untested, I'll try and synthetically hit it to ensure
>> that it does work. Note that it currently does unmap and iod free, so
>> the request comes back pristine. We could preserve that if we really
>> wanted to, I'm guessing it's not a big deal.
> 
> And another totally untested patch that retains the iod and dma mapping
> on the requeue event. Again, probably not a big deal, I'm assuming these
> happen rarely, but it's simple enough to do.
> 

Thanks. I've added it and rebased nvmemq_wip_review on the latest 3.16/core.
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