linux-kernel - Re: [PATCH][V2] nbd: add multi-connection support

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Date:   Fri, 7 Oct 2016 20:36:56 +0200
From:   Pavel Machek <pavel@....cz>
To:     Josef Bacik <jbacik@...com>
Cc:     axboe@...com, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-team@...com,
        nbd-general@...ts.sourceforge.net, w@...r.be, hch@...radead.org
Subject: Re: [PATCH][V2] nbd: add multi-connection support

On Thu 2016-09-15 10:43:54, Josef Bacik wrote:
> NBD can become contended on its single connection.  We have to serialize all
> writes and we can only process one read response at a time.  Fix this by
> allowing userspace to provide multiple connections to a single nbd device.  This
> coupled with block-mq drastically increases performance in multi-process cases.
> Thanks,
> 
> Signed-off-by: Josef Bacik <jbacik@...com>

Idea is that it can now use multiple CPUs concurrently...?

Do you have a diff for the nbd-server, too?
									Pavel
-- 
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