From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:35439) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QXCmu-0006dc-OW for qemu-devel@nongnu.org; Thu, 16 Jun 2011 09:39:18 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QXCmn-000795-8O for qemu-devel@nongnu.org; Thu, 16 Jun 2011 09:39:12 -0400 Received: from mx1.redhat.com ([209.132.183.28]:18684) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QXCml-000788-Hc for qemu-devel@nongnu.org; Thu, 16 Jun 2011 09:39:04 -0400 Message-ID: <4DFA0770.8080307@redhat.com> Date: Thu, 16 Jun 2011 16:38:56 +0300 From: Avi Kivity MIME-Version: 1.0 References: <1308075511-4745-1-git-send-email-stefanha@linux.vnet.ibm.com> <4DF9F899.5050301@redhat.com> <4DF9FBE4.9080300@redhat.com> <4DFA004E.9010001@redhat.com> In-Reply-To: <4DFA004E.9010001@redhat.com> Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] Image streaming and live block copy List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Kevin Wolf Cc: Anthony Liguori , Dor Laor , Stefan Hajnoczi , jes sorensen , Marcelo Tosatti , qemu-devel@nongnu.org, Adam Litke On 06/16/2011 04:08 PM, Kevin Wolf wrote: > Am 16.06.2011 14:49, schrieb Avi Kivity: > > On 06/16/2011 03:35 PM, Kevin Wolf wrote: > >> * Image streaming is a normal image file plus copy-on-read plus a > >> background task that copies data from the source image > > > > Or a block-mirror started in degraded mode. > > At least not in the same configuration as with live block copy: You > don't want to write to the source, you only want to read from it when > the destination doesn't have the data yet. > You're right, it's not exactly the same. But I think it can use much of the same code. -- error compiling committee.c: too many arguments to function