From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42933) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YOrUL-0005vT-0r for qemu-devel@nongnu.org; Fri, 20 Feb 2015 12:35:42 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YOrUJ-0001ka-SH for qemu-devel@nongnu.org; Fri, 20 Feb 2015 12:35:40 -0500 Received: from mx1.redhat.com ([209.132.183.28]:41692) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YOrUJ-0001kQ-Jy for qemu-devel@nongnu.org; Fri, 20 Feb 2015 12:35:39 -0500 Message-ID: <54E77042.8010207@redhat.com> Date: Fri, 20 Feb 2015 10:34:58 -0700 From: Eric Blake MIME-Version: 1.0 References: In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="gTwFOF8AFkf9gbiupEpckWuAkfMLeOrvC" Subject: Re: [Qemu-devel] [PATCH 0/3] Support streaming to an intermediate layer List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Alberto Garcia , qemu-devel@nongnu.org Cc: Kevin Wolf , Stefan Hajnoczi This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --gTwFOF8AFkf9gbiupEpckWuAkfMLeOrvC Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 02/20/2015 06:53 AM, Alberto Garcia wrote: > Hello, >=20 > I added support to the Block Stream API for streaming to an > intermediate layer. >=20 > 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. --=20 Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org --gTwFOF8AFkf9gbiupEpckWuAkfMLeOrvC Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 Comment: Public key at http://people.redhat.com/eblake/eblake.gpg Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBCAAGBQJU53BCAAoJEKeha0olJ0NqtNAH+wVvAboA/osW1ClxYJU/nJSO 7VWhUcFMK8LDUeWFV43yOIT6gkSInOr8G2iGuCAZT7ZsdQ6I0FjkKviyOw1zW+uJ fKyUp/CzU1tFcLM6pgiTfDmpuHPZlQuZjWbh77TR+6Ir+R9whXfU97o+FSnF6QuY WqCeA8x5/9VK+ZAbp2wsmPkkSLDleQLDvC9ww5e9zqjl5dnT34wrZ1Ubbsmh2fzT HgTjRSsNfxIneTwwKTnBGM5YjZUVXyLdSjUzqvj57Tqd20aRDI28sQxn6lR2S2Fh 2F6ENh1tJcKUQH7xjC83UCo5J0rBojUuHzo8cnmSog4jVuGpLngKJfZBihf2tTo= =7TNv -----END PGP SIGNATURE----- --gTwFOF8AFkf9gbiupEpckWuAkfMLeOrvC--