linux-kernel - Re: [PATCH BUGFIX/IMPROVEMENT 0/3] bfq: one fix and two important improvements for throughput

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Message-ID: <bb31b362-53a9-483f-381f-1fcf0dad32bd@kernel.dk>
Date:   Fri, 14 Sep 2018 13:06:29 -0600
From:   Jens Axboe <axboe@...nel.dk>
To:     Paolo Valente <paolo.valente@...aro.org>
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        ulf.hansson@...aro.org, linus.walleij@...aro.org,
        broonie@...nel.org, bfq-iosched@...glegroups.com,
        oleksandr@...alenko.name
Subject: Re: [PATCH BUGFIX/IMPROVEMENT 0/3] bfq: one fix and two important
 improvements for throughput

On 9/14/18 8:23 AM, Paolo Valente wrote:
> Hi Jens,
> the second and third patch in this series provide two important
> improvements in bfq's ability to boost throughput with random I/O. The
> benefits of the second patch concern I/O control, and are described in
> detail in this LWN article [1] (and briefly in the commit message
> itself). The benefits of the other patch should be
> straightforward. Finally, the first patch fixes an I/O-control bug,
> found while making the second patch.
> 
> These patches modify somehow core operations of bfq, so, before
> submitting them, I have tested them a lot, and have had them tested by
> other people too. In particular, during these months, they have been
> tested in systems ranging from PCs to development platforms.

Applied for 4.20, thanks Paolo.

-- 
Jens Axboe