linux-kernel - Re: [PATCH AUTOSEL 5.15 25/31] dm-log-writes: set dma_alignment limit in io

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Message-ID: <Y4c5KSErgaBY/cwW@sashalap>
Date:   Wed, 30 Nov 2022 06:06:17 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     Keith Busch <kbusch@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Mike Snitzer <snitzer@...nel.org>,
        Jens Axboe <axboe@...nel.dk>, agk@...hat.com,
        dm-devel@...hat.com
Subject: Re: [PATCH AUTOSEL 5.15 25/31] dm-log-writes: set dma_alignment
 limit in io_hints

On Wed, Nov 23, 2022 at 08:04:37AM -0700, Keith Busch wrote:
>On Wed, Nov 23, 2022 at 07:42:26AM -0500, Sasha Levin wrote:
>> From: Keith Busch <kbusch@...nel.org>
>>
>> [ Upstream commit 50a893359cd2643ee1afc96eedc9e7084cab49fa ]
>>
>> This device mapper needs bio vectors to be sized and memory aligned to
>> the logical block size. Set the minimum required queue limit
>> accordingly.
>
>Probably harmless, but these dm dma_alignment patches are not needed
>prior to 6.0.

I'll drop them on all <6.0 kernels, thanks!

-- 
Thanks,
Sasha