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Re: [Qemu-devel] [Nbd] [PATCH] Further tidy-up on block status
From: |
Alex Bligh |
Subject: |
Re: [Qemu-devel] [Nbd] [PATCH] Further tidy-up on block status |
Date: |
Thu, 29 Dec 2016 16:04:38 +0000 |
> On 28 Dec 2016, at 00:18, Wouter Verhelst <address@hidden> wrote:
>
> On Mon, Dec 26, 2016 at 05:52:54PM +0300, Vladimir Sementsov-Ogievskiy wrote:
>> Shouldn't we add some flags to REP_META_CONTEXT, for client to be insure, is
>> returned string a direct context name or some kind of wildcard? Just a flags
>> field, with one flag defined for now: NBD_REP_META_CONTEXT_LEAF and others
>> reserved.
>
> I think it should be up to the metadata context namespace definition to
> define which syntax represents a direct context name and which
> represents a wildcard (if the latter are supported).
>
> A client which doesn't know what a given metadata context implements
> can't reasonably ask for information from that context anyway (since
> then the client wouldn't know what to do with the returned information),
> so it doesn't help much to add a flag here.
I agree.
Vladimir: if this isn't clear from the text, please suggest a change.
--
Alex Bligh
- Re: [Qemu-devel] [Nbd] [PATCH] Further tidy-up on block status, (continued)
- Re: [Qemu-devel] [Nbd] [PATCH] Further tidy-up on block status, Alex Bligh, 2016/12/15
- Re: [Qemu-devel] [Nbd] [PATCH] Further tidy-up on block status, Wouter Verhelst, 2016/12/15
- Re: [Qemu-devel] [Nbd] [PATCH] Further tidy-up on block status, Alex Bligh, 2016/12/15
- Re: [Qemu-devel] [Nbd] [PATCH] Further tidy-up on block status, Wouter Verhelst, 2016/12/16
- Re: [Qemu-devel] [Nbd] [PATCH] Further tidy-up on block status, Alex Bligh, 2016/12/16
- Re: [Qemu-devel] [Nbd] [PATCH] Further tidy-up on block status, Wouter Verhelst, 2016/12/17
- Re: [Qemu-devel] [Nbd] [PATCH] Further tidy-up on block status, Alex Bligh, 2016/12/17
- Re: [Qemu-devel] [PATCH] Further tidy-up on block status, Alex Bligh, 2016/12/14
- Re: [Qemu-devel] [PATCH] Further tidy-up on block status, Vladimir Sementsov-Ogievskiy, 2016/12/26
- Re: [Qemu-devel] [Nbd] [PATCH] Further tidy-up on block status, Wouter Verhelst, 2016/12/27
- Re: [Qemu-devel] [Nbd] [PATCH] Further tidy-up on block status,
Alex Bligh <=
- Re: [Qemu-devel] [Nbd] [PATCH] Further tidy-up on block status, Vladimir Sementsov-Ogievskiy, 2016/12/29
Re: [Qemu-devel] [PATCH] Further tidy-up on block status, Eric Blake, 2016/12/14
Re: [Qemu-devel] [Nbd] [PATCH] Further tidy-up on block status, Wouter Verhelst, 2016/12/14
Re: [Qemu-devel] [PATCH] Further tidy-up on block status, Vladimir Sementsov-Ogievskiy, 2016/12/27