linux-kernel - Re: [PATCH 1/4] block: add rq_flags to struct blk_mq_alloc

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Date:   Wed, 3 Nov 2021 13:56:29 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Guenter Roeck <linux@...ck-us.net>
Cc:     linux-block@...r.kernel.org,
        Naresh Kamboju <naresh.kamboju@...aro.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] block: add rq_flags to struct blk_mq_alloc_data

On 11/3/21 1:54 PM, Guenter Roeck wrote:
> Hi,
> 
> On Tue, Oct 19, 2021 at 09:32:57AM -0600, Jens Axboe wrote:
>> There's a hole here we can use, and it's faster to set this earlier
>> rather than need to check q->elevator multiple times.
>>
>> Signed-off-by: Jens Axboe <axboe@...nel.dk>
> 
> This patch results in a warning backtrace with one of my qemu
> boot tests.

Should be fixed in the current tree, will go out soonish. If you
have time, can you pull in:

git://git.kernel.dk/linux-block for-next

into -git and see if it fixes it for you?

-- 
Jens Axboe