From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40749) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YUsGp-0004Mw-SI for qemu-devel@nongnu.org; Mon, 09 Mar 2015 03:38:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YUsGn-0006rp-1P for qemu-devel@nongnu.org; Mon, 09 Mar 2015 03:38:35 -0400 Received: from mx1.redhat.com ([209.132.183.28]:38544) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YUsGm-0006rE-Pj for qemu-devel@nongnu.org; Mon, 09 Mar 2015 03:38:32 -0400 Message-ID: <54FD4DF1.5060805@redhat.com> Date: Mon, 09 Mar 2015 08:38:25 +0100 From: Paolo Bonzini MIME-Version: 1.0 References: <201503031452510425241@sangfor.com.cn>, <54F58618.6050200@redhat.com> <201503091502590266464@sangfor.com.cn> In-Reply-To: <201503091502590266464@sangfor.com.cn> Content-Type: text/plain; charset=gbk Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [RFC] introduce bitmap to bdrv_commit to track dirty sector List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Zhang Haoyu , qemu-devel Cc: Kevin Wolf , Marcelo Tosatti , Fam Zheng , Stefan Hajnoczi On 09/03/2015 08:03, Zhang Haoyu wrote: > > On 2015-03-03 18:00:09, Paolo Bonzini wrote: >> >> On 03/03/2015 07:52, Zhang Haoyu wrote: >>> Hi, >>> If introducing bitmap to bdrv_commit to track dirty sector, >>> could we implement guest non-disruption while performing commit? >> >> That is already implemented. It uses the same code that implements >> storage migration (block/mirror.c). >> > Hi Paolo, > do you mean commit_active_start()? Yes. Paolo