From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53104) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dAxmj-0005bC-Tv for qemu-devel@nongnu.org; Wed, 17 May 2017 08:10:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dAxmj-0004LL-1h for qemu-devel@nongnu.org; Wed, 17 May 2017 08:10:33 -0400 Date: Wed, 17 May 2017 13:10:24 +0100 From: Stefan Hajnoczi Message-ID: <20170517121024.GD8260@stefanha-x1.localdomain> References: <1494842563-6534-1-git-send-email-pl@kamp.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="DrWhICOqskFTAXiy" Content-Disposition: inline In-Reply-To: <1494842563-6534-1-git-send-email-pl@kamp.de> Subject: Re: [Qemu-devel] [Qemu-block] [RFC PATCH] qemu-io: add drain/undrain cmd List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Peter Lieven Cc: qemu-block@nongnu.org, kwolf@redhat.com, qemu-devel@nongnu.org, mreitz@redhat.com --DrWhICOqskFTAXiy Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, May 15, 2017 at 12:02:43PM +0200, Peter Lieven wrote: > I would like to add a feature to Qemu to drain all traffic from a block s= o that > I can take external snaphosts without the risk to that in the middle of a= write > operation. Its meant for cases where where QGA freeze/thaw is not availab= le. >=20 > For me its enough to have this through qemu-io, but Kevin asked me to che= ck > if its not worth to have a stable API for it and present it via QMP/HMP. >=20 > What are your thoughts? Are the existing snapshot and blockjobs not sufficient for taking external snapshots? --DrWhICOqskFTAXiy Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEcBAEBAgAGBQJZHD2wAAoJEJykq7OBq3PIlYkH/2hNFZoVDELOZ9+8ddcabT+C wVwPoE5W9K7eNwL3cvkOYAg4yYRk3pY8oravkzzAvo6JvnKyEMJRC4AG2o5dXDEz EWpw/wnVwkaPWKuVp+qPTytCWO3/kOi2oJTIjMevbvlaUMFE00x5zxInV3YwTR9V +AL+GzpVcJI8wQvewb8WBB6qCiTGoyCZWi3fCCXGl12V9n/EhgjHeaumSXHZH1k4 802Kjc4xDHTx65+gK8l11I9DvEiTeEPKZ1bMeAv6rB3STFXQhCbG4YY5xoLjQCvT qonJ0sP+cgA20th5L1STrX6msQZoLyDBe585kXwIMbZ9bSrcf0yGWaK6lGkyv8c= =e7ie -----END PGP SIGNATURE----- --DrWhICOqskFTAXiy--