From: Eric Blake <eblake@redhat.com>
To: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Cc: qemu-devel@nongnu.org, qemu-block@nongnu.org
Subject: Re: [PATCH] nbd/server: Allow LIST_META_CONTEXT without STRUCTURED_REPLY
Date: Fri, 24 Sep 2021 14:19:57 -0500 [thread overview]
Message-ID: <20210924191957.dml5l22zd6pdsmqb@redhat.com> (raw)
In-Reply-To: <9f559b6c-36ce-5078-4169-c61f2a21124b@virtuozzo.com>
On Tue, Sep 14, 2021 at 05:19:42PM +0300, Vladimir Sementsov-Ogievskiy wrote:
> 07.09.2021 20:35, Eric Blake wrote:
> > The NBD protocol just relaxed the requirements on
> > NBD_OPT_LIST_META_CONTEXT:
> >
> > https://github.com/NetworkBlockDevice/nbd/commit/13a4e33a87
> >
> > Since listing is not stateful (unlike SET_META_CONTEXT), we don't care
> > if a client asks for meta contexts without first requesting structured
> > replies. Well-behaved clients will still ask for structured reply
> > first (if for no other reason than for back-compat to older servers),
> > but that's no reason to avoid this change.
> >
> > Signed-off-by: Eric Blake<eblake@redhat.com>
>
> Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Thanks; queuing this one through my NBD tree.
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3266
Virtualization: qemu.org | libvirt.org
prev parent reply other threads:[~2021-09-24 19:29 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-07 17:35 [PATCH] nbd/server: Allow LIST_META_CONTEXT without STRUCTURED_REPLY Eric Blake
2021-09-14 14:19 ` Vladimir Sementsov-Ogievskiy
2021-09-24 19:19 ` Eric Blake [this message]
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