From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:38377) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S2zmy-0002Ha-Q2 for qemu-devel@nongnu.org; Thu, 01 Mar 2012 01:46:57 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1S2zmx-0003q0-3P for qemu-devel@nongnu.org; Thu, 01 Mar 2012 01:46:56 -0500 Received: from mail-ee0-f45.google.com ([74.125.83.45]:36740) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S2zmw-0003om-Qa for qemu-devel@nongnu.org; Thu, 01 Mar 2012 01:46:55 -0500 Received: by eeit10 with SMTP id t10so97627eei.4 for ; Wed, 29 Feb 2012 22:46:52 -0800 (PST) Sender: Paolo Bonzini Message-ID: <4F4F1B5A.6060100@redhat.com> Date: Thu, 01 Mar 2012 07:46:50 +0100 From: Paolo Bonzini MIME-Version: 1.0 References: <1330522650-15357-1-git-send-email-pbonzini@redhat.com> <1330522650-15357-7-git-send-email-pbonzini@redhat.com> <4F4E80C8.1010000@redhat.com> In-Reply-To: <4F4E80C8.1010000@redhat.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 6/6] add mirroring to blockdev-transaction List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Eric Blake Cc: kwolf@redhat.com, fsimonce@redhat.com, jcody@redhat.com, stefanha@linux.vnet.ibm.com, qemu-devel@nongnu.org Il 29/02/2012 20:47, Eric Blake ha scritto: > This falls out very nicely. > > Do we want to also add a 'reopen' operation to the union, for the > remaining action needed by oVirt live migration? We can add it later, I think, if need arises. Switching to the destination need not be done atomically for all disks. (In fact, neither does the start-mirroring operation if you want to migrate multiple disks; it's just the snapshot+mirror pair that needs it). Paolo