From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1KdQxg-0004lt-Eq for qemu-devel@nongnu.org; Wed, 10 Sep 2008 10:46:28 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1KdQxe-0004lL-Pt for qemu-devel@nongnu.org; Wed, 10 Sep 2008 10:46:27 -0400 Received: from [199.232.76.173] (port=44556 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1KdQxe-0004lF-MV for qemu-devel@nongnu.org; Wed, 10 Sep 2008 10:46:26 -0400 Received: from wf-out-1314.google.com ([209.85.200.173]:52486) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1KdQxe-0004Lz-G9 for qemu-devel@nongnu.org; Wed, 10 Sep 2008 10:46:26 -0400 Received: by wf-out-1314.google.com with SMTP id 27so2542763wfd.4 for ; Wed, 10 Sep 2008 07:46:25 -0700 (PDT) Message-ID: <5d6222a80809100746kd4bcf21h5c3fd9afbec1067d@mail.gmail.com> Date: Wed, 10 Sep 2008 11:46:25 -0300 From: "Glauber Costa" Subject: Re: [Qemu-devel] [PATCH 3/10] Add bdrv_flush_all() In-Reply-To: <48C7CB05.8070107@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <1220989802-13706-1-git-send-email-aliguori@us.ibm.com> <1220989802-13706-4-git-send-email-aliguori@us.ibm.com> <48C7CB05.8070107@redhat.com> Reply-To: qemu-devel@nongnu.org List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Chris Wright , Uri Lublin , Anthony Liguori , kvm@vger.kernel.org On Wed, Sep 10, 2008 at 10:26 AM, Chris Lalancette wrote: > Anthony Liguori wrote: >> This patch adds a bdrv_flush_all() function. It's necessary to ensure that all >> IO operations have been flushed to disk before completely a live migration. >> >> N.B. we don't actually use this now. We really should flush the block drivers >> using an live savevm callback to avoid unnecessary guest down time. > > Simple enough, and follows the pattern in the KVM migration. > > Chris Lalancette > sounds ok. > -- Glauber Costa. "Free as in Freedom" http://glommer.net "The less confident you are, the more serious you have to act."