linux-kernel - Re: [PATCH 0/9] block/aio: loop mq conversion and kernel aio

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Message-ID: <CACVXFVPHHULvp=hK0D3qiE_M-28GS338fnbOH-iFCLBV2uE-Dg@mail.gmail.com>
Date:	Wed, 6 Aug 2014 19:58:49 +0800
From:	Ming Lei <ming.lei@...onical.com>
To:	Jens Axboe <axboe@...nel.dk>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Zach Brown <zab@...bo.net>,
	Dave Kleikamp <dave.kleikamp@...cle.com>,
	Benjamin LaHaise <bcrl@...ck.org>
Subject: Re: [PATCH 0/9] block/aio: loop mq conversion and kernel aio

Hi Guys,

Ping

Thanks,

On Thu, Jul 24, 2014 at 6:55 AM, Ming Lei <ming.lei@...onical.com> wrote:
> Hi,
>
> The first 6 patches convert current loop driver into blk-mq, and
> loop's scalability can get improved a lot.
>
> The 7th and 8th patches introduce kernel AIO support, most of
> is borrow from Dave's work last year, and thanks to ITER_BVEC,
> now it is easier to implement kernel AIO now.
>
> The 9th patch uses kernel AIO with O_DIRECT to improve loop's
> performance in single thread.
>
> With blk-mq and kernel AIO, both scalability and performance
> of loop driver get lot of improvement.
>
> Thanks,
>
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