Re: [Qemu-devel] [Nbd] [PATCH] Further tidy-up on block status

[Alex Bligh]

> 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