linux-kernel - Re: [PATCH 06/13] md: update the optimal I/O size on reshape

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Message-ID: <yq14knnmary.fsf@ca-mkp.ca.oracle.com>
Date:   Thu, 24 Sep 2020 11:53:29 -0400
From:   "Martin K. Petersen" <martin.petersen@...cle.com>
To:     Christoph Hellwig <hch@....de>
Cc:     Jens Axboe <axboe@...nel.dk>, Song Liu <song@...nel.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Coly Li <colyli@...e.de>, Richard Weinberger <richard@....at>,
        Minchan Kim <minchan@...nel.org>,
        Johannes Thumshirn <Johannes.Thumshirn@....com>,
        Justin Sanders <justin@...aid.com>,
        linux-mtd@...ts.infradead.org, dm-devel@...hat.com,
        linux-block@...r.kernel.org, linux-bcache@...r.kernel.org,
        linux-kernel@...r.kernel.org, drbd-dev@...n.linbit.com,
        linux-raid@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-mm@...ck.org, cgroups@...r.kernel.org
Subject: Re: [PATCH 06/13] md: update the optimal I/O size on reshape


Christoph,

> The raid5 and raid10 drivers currently update the read-ahead size, but
> not the optimal I/O size on reshape.  To prepare for deriving the
> read-ahead size from the optimal I/O size make sure it is updated as
> well.

Reviewed-by: Martin K. Petersen <martin.petersen@...cle.com>

-- 
Martin K. Petersen	Oracle Linux Engineering