linux-kernel - Re: block I/O accounting improvements

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Message-ID: <81f4057b-124a-d0e7-94af-15a198d48d50@yandex-team.ru>
Date:   Mon, 25 May 2020 15:34:21 +0300
From:   Konstantin Khlebnikov <khlebnikov@...dex-team.ru>
To:     Christoph Hellwig <hch@....de>, Jens Axboe <axboe@...nel.dk>
Cc:     Minchan Kim <minchan@...nel.org>, Nitin Gupta <ngupta@...are.org>,
        dm-devel@...hat.com, linux-block@...r.kernel.org,
        drbd-dev@...ts.linbit.com, linux-bcache@...r.kernel.org,
        linux-nvdimm@...ts.01.org, linux-kernel@...r.kernel.org
Subject: Re: block I/O accounting improvements

On 25/05/2020 14.29, Christoph Hellwig wrote:
> Hi Jens,
> 
> they series contains various improvement for block I/O accounting.  The
> first bunch of patches switch the bio based drivers to better accounting
> helpers compared to the current mess.  The end contains a fix and various
> performanc improvements.  Most of this comes from a series Konstantin
> sent a few weeks ago, rebased on changes that landed in your tree since
> and my change to always use the percpu version of the disk stats.
> 

Thanks for picking this up.

One note about possible further improvement in reply to first patch.

Reviewed-by: Konstantin Khlebnikov <khlebnikov@...dex-team.ru>