From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=35468 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OoHML-0003M6-Bv for qemu-devel@nongnu.org; Wed, 25 Aug 2010 10:53:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OoH6Z-0002zP-GD for qemu-devel@nongnu.org; Wed, 25 Aug 2010 10:37:32 -0400 Received: from mx1.redhat.com ([209.132.183.28]:35898) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OoH6Z-0002zA-6X for qemu-devel@nongnu.org; Wed, 25 Aug 2010 10:37:31 -0400 Message-ID: <4C752AA1.8020203@redhat.com> Date: Wed, 25 Aug 2010 17:37:21 +0300 From: Avi Kivity MIME-Version: 1.0 References: <4C73C9CF.7090800@redhat.com> <4C73CAA9.2060104@codemonkey.ws> <4C73CB85.9010306@redhat.com> <4C73CBD6.7000900@codemonkey.ws> <4C73CCCB.6050704@redhat.com> <4C73CF8D.5060405@codemonkey.ws> <4C74C2F3.9050506@redhat.com> <4C7510C1.8080305@codemonkey.ws> <4C75195A.8050508@redhat.com> <4C751EA7.6050406@codemonkey.ws> <20100825141937.GB31307@lst.de> In-Reply-To: <20100825141937.GB31307@lst.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] Re: [RFC][STABLE 0.13] Revert "qcow2: Use bdrv_(p)write_sync for metadata writes" List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Christoph Hellwig Cc: Kevin Wolf , stefanha@gmail.com, mjt@tls.msk.ru, qemu-devel@nongnu.org On 08/25/2010 05:19 PM, Christoph Hellwig wrote: > On Wed, Aug 25, 2010 at 08:46:15AM -0500, Anthony Liguori wrote: >> BTW, something that had the features of qcow2 that people actually used >> andwas fully asynchronous, performed well, and had a high degree of >> confidence in data integrity would be a major step forward, not backwards. > That means you'll actually need to agree on a feature set first. > :) The next image format should be raw-over-btrfs. And we need to continue developing qcow2, we can't keep moving users from format to format just because it's complicated. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.