From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sasha Levin Subject: RE: [RFC v2 PATCH] kvm tools, qcow: Add the support for copy-on-write clusters Date: Sat, 19 Nov 2011 18:26:38 +0200 Message-ID: <1321719998.2974.9.camel@sasha> References: <1321606038-29989-1-git-send-email-tianyu.lan@intel.com> <4EC62F14.6090505@redhat.com> <625BA99ED14B2D499DC4E29D8138F1506860C491FF@shsmsx502.ccr.corp.intel.com> <625BA99ED14B2D499DC4E29D8138F1506860C49247@shsmsx502.ccr.corp.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: Kevin Wolf , "penberg@kernel.org" , "kvm@vger.kernel.org" , "asias.hejun@gmail.com" , "prasadjoshi124@gmail.com" To: "Lan, Tianyu" Return-path: Received: from mail-ww0-f44.google.com ([74.125.82.44]:38965 "EHLO mail-ww0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752196Ab1KSQ0o (ORCPT ); Sat, 19 Nov 2011 11:26:44 -0500 Received: by wwe5 with SMTP id 5so7353227wwe.1 for ; Sat, 19 Nov 2011 08:26:43 -0800 (PST) In-Reply-To: <625BA99ED14B2D499DC4E29D8138F1506860C49247@shsmsx502.ccr.corp.intel.com> Sender: kvm-owner@vger.kernel.org List-ID: On Sat, 2011-11-19 at 23:30 +0800, Lan, Tianyu wrote: > How about using the sync_file_range to sync the metadata? sync_file_range() is only a hint, it doesn't actually assure anything. -- Sasha.