linux-kernel - Re: [Nbd] [PATCH][V3] nbd: add multi-connection support

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Message-ID: <20161006130949.nk7gsy6lpw5kudbg@grep.be>
Date:   Thu, 6 Oct 2016 15:09:49 +0200
From:   Wouter Verhelst <w@...r.be>
To:     Christoph Hellwig <hch@...radead.org>
Cc:     "nbd-general@...ts.sourceforge.net" 
        <nbd-general@...ts.sourceforge.net>, Josef Bacik <jbacik@...com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Jens Axboe <axboe@...com>,
        "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        Kernel Team <Kernel-team@...com>
Subject: Re: [Nbd] [PATCH][V3] nbd: add multi-connection support

On Thu, Oct 06, 2016 at 03:31:55AM -0700, Christoph Hellwig wrote:
> No, they match the cache flush semantics in every other storage protocol
> known to me, and they match the expectations of both the Linux kernel
> and any other OS or comsumer I know about perfectly.

Okay, I've updated the proto.md file then, to clarify that in the case
of multiple connections, a client MUST NOT send a flush request until it
has seen the replies to the write requests that it cares about. That
should be enough for now.

Thanks,

-- 
< ron> I mean, the main *practical* problem with C++, is there's like a dozen
       people in the world who think they really understand all of its rules,
       and pretty much all of them are just lying to themselves too.
 -- #debian-devel, OFTC, 2016-02-12