From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38582) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eJJxR-0005Gk-BS for qemu-devel@nongnu.org; Mon, 27 Nov 2017 09:00:34 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eJJxN-00036T-9G for qemu-devel@nongnu.org; Mon, 27 Nov 2017 09:00:25 -0500 Date: Mon, 27 Nov 2017 15:00:07 +0100 From: Kevin Wolf Message-ID: <20171127140007.GE4903@localhost.localdomain> References: <20171121115253.14923-1-kchamart@redhat.com> <20171127115307.GB4903@localhost.localdomain> <20171127130026.i5mwityh5pmny6k6@eukaryote> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20171127130026.i5mwityh5pmny6k6@eukaryote> Subject: Re: [Qemu-devel] [Qemu-block] [PATCH v5 for-2.11] QAPI & interop: Clarify events emitted by 'block-job-cancel' List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Kashyap Chamarthy Cc: qemu-devel@nongnu.org, qemu-block@nongnu.org, armbru@redhat.com, mreitz@redhat.com Am 27.11.2017 um 14:00 hat Kashyap Chamarthy geschrieben: > On Mon, Nov 27, 2017 at 12:53:07PM +0100, Kevin Wolf wrote: > > Am 21.11.2017 um 12:52 hat Kashyap Chamarthy geschrieben: > > [...] > > > > Signed-off-by: Kashyap Chamarthy > > > Reviewed-by: Eric Blake > > > > > +(1) Issuing the command ``block-job-cancel`` (after it emits the event > > > + ``BLOCK_JOB_COMPLETED``) will create a point-in-time (which is at > > > + the time of *triggering* the cancel command) copy of the entire disk > > > image chain (or only the top-most image, depending on the ``sync`` > > > - mode). > > > + mode), contained in the target image [E]. One use case for this is > > > + live storage migration. > > > > As commented on v4, > > You're right, I agree with your comment on v4. > > > I dropped the last sentence here for now. Please > > suggest an unambiguous wording if you'd prefer to keep it. > > If you can still add, and are happy with it, please go with the less > ambiguous wording: "One use case for this is live VM migration with > non-shared storage". > > Just that I feel it immediately gives the use case in context. Ok, I'll change it accordingly. Kevin