From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:38853) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TGsD5-0005eO-7z for qemu-devel@nongnu.org; Wed, 26 Sep 2012 10:03:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1TGsCv-0005ws-Rl for qemu-devel@nongnu.org; Wed, 26 Sep 2012 10:03:31 -0400 Received: from mx1.redhat.com ([209.132.183.28]:12525) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1TGsCv-0005wl-JU for qemu-devel@nongnu.org; Wed, 26 Sep 2012 10:03:21 -0400 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q8QE3Ktk008993 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Wed, 26 Sep 2012 10:03:21 -0400 Message-ID: <50630B25.9080203@redhat.com> Date: Wed, 26 Sep 2012 16:03:17 +0200 From: Kevin Wolf MIME-Version: 1.0 References: <1efc2c8c9b7c215b787507afa5a34c0175f7f4f0.1348589526.git.jcody@redhat.com> In-Reply-To: <1efc2c8c9b7c215b787507afa5a34c0175f7f4f0.1348589526.git.jcody@redhat.com> Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v2 2/7] block: add live block commit functionality List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Jeff Cody Cc: pbonzini@redhat.com, eblake@redhat.com, qemu-devel@nongnu.org Am 25.09.2012 18:29, schrieb Jeff Cody: > This adds the live commit coroutine. This iteration focuses on the > commit only below the active layer, and not the active layer itself. > > The behaviour is similar to block streaming; the sectors are walked > through, and anything that exists above 'base' is committed back down > into base. At the end, intermediate images are deleted, and the > chain stitched together. Images are restored to their original open > flags upon completion. > > Signed-off-by: Jeff Cody Reviewed-by: Kevin Wolf