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From: Alberto Garcia <berto@igalia.com>
To: Eric Blake <eblake@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>,
	qemu-devel@nongnu.org, Stefan Hajnoczi <stefanha@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 0/3] Support streaming to an intermediate layer
Date: Fri, 20 Feb 2015 20:05:18 +0100	[thread overview]
Message-ID: <20150220190518.GA2917@igalia.com> (raw)
In-Reply-To: <54E77042.8010207@redhat.com>

On Fri, Feb 20, 2015 at 10:34:58AM -0700, Eric Blake wrote:

> > I followed the proposed API from the wiki, which simply adds an
> > additional 'top' parameter to block-stream specifying the image
> > that data is written to:
> 
> How does one learn whether qemu is new enough to support this
> mode? Until we add QMP introspection, learning whether an optional
> parameter exists requires attempting the command and seeing a
> different error depending on whether the argument is recognized.

Isn't it possible to just check the QEMU version number?

If not, what's the recommended way to do it?

Thanks,

Berto

  reply	other threads:[~2015-02-20 19:05 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-02-20 13:53 [Qemu-devel] [PATCH 0/3] Support streaming to an intermediate layer Alberto Garcia
2015-02-20 13:53 ` [Qemu-devel] [PATCH 1/3] block: " Alberto Garcia
2015-03-05 14:04   ` Kevin Wolf
2015-03-05 14:58     ` Alberto Garcia
2015-03-05 15:15       ` Kevin Wolf
2015-03-05 15:47         ` Alberto Garcia
2015-03-12 13:18     ` Alberto Garcia
2015-02-20 13:53 ` [Qemu-devel] [PATCH 2/3] block: Add QMP support for " Alberto Garcia
2015-02-20 22:38   ` Eric Blake
2015-02-23 12:23     ` Alberto Garcia
2015-02-23 13:04       ` Kevin Wolf
2015-02-24 14:08         ` Markus Armbruster
2015-03-05 14:09   ` Kevin Wolf
2015-03-05 15:12     ` Alberto Garcia
2015-03-11 16:38     ` Alberto Garcia
2015-03-12 15:45       ` Kevin Wolf
2015-03-17 15:00         ` Alberto Garcia
2015-03-17 15:22           ` Eric Blake
2015-03-17 15:40             ` Alberto Garcia
2015-03-17 15:28           ` Kevin Wolf
2015-03-18 12:29         ` Alberto Garcia
2015-02-20 13:53 ` [Qemu-devel] [PATCH 3/3] docs: Document how to stream " Alberto Garcia
2015-02-20 17:34 ` [Qemu-devel] [PATCH 0/3] Support streaming " Eric Blake
2015-02-20 19:05   ` Alberto Garcia [this message]
2015-02-20 22:49     ` Eric Blake
2015-02-22 15:08       ` Alberto Garcia

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