linux-kernel - Re: [PATCH BUGFIX] block, bfq: postpone rq preparation to insert or merge

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Message-Id: <4299ECA6-4320-426E-B33A-F6CC1C1C5864@linaro.org>
Date:   Mon, 7 May 2018 11:32:56 +0200
From:   Paolo Valente <paolo.valente@...aro.org>
To:     Mike Galbraith <efault@....de>
Cc:     Jens Axboe <axboe@...nel.dk>,
        linux-block <linux-block@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Mark Brown <broonie@...nel.org>, linus.walleij@...aro.org,
        bfq-iosched@...glegroups.com, oleksandr@...alenko.name
Subject: Re: [PATCH BUGFIX] block, bfq: postpone rq preparation to insert or
 merge



> Il giorno 07 mag 2018, alle ore 05:23, Mike Galbraith <efault@....de> ha scritto:
> 
> On Mon, 2018-05-07 at 04:43 +0200, Mike Galbraith wrote:
>> On Sun, 2018-05-06 at 09:42 +0200, Paolo Valente wrote:
>>> 
>>> I've attached a compressed patch (to avoid possible corruption from my
>>> mailer).  I'm little confident, but no pain, no gain, right?
>>> 
>>> If possible, apply this patch on top of the fix I proposed in this
>>> thread, just to eliminate possible further noise. Finally, the
>>> patch content follows.
>>> 
>>> Hoping for a stroke of luck,
>> 
>> FWIW, box didn't survive the first full build of the morning.
> 
> Nor the second.
> 

Great, finally the first good news!

Help from blk-mq experts would be fundamental here.  To increase the
chances to get it, I'm going to open a new thread on this.  In that
thread I'll ask you to provide an OOPS or something, I hope it is now
easier for you to get it.

Thanks,
Paolo

> 	-Mike