From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43580) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XONsX-0007Xb-OS for qemu-devel@nongnu.org; Mon, 01 Sep 2014 05:26:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XONsO-000418-OU for qemu-devel@nongnu.org; Mon, 01 Sep 2014 05:26:25 -0400 Received: from mail-pd0-x232.google.com ([2607:f8b0:400e:c02::232]:55299) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XONsO-00040q-HY for qemu-devel@nongnu.org; Mon, 01 Sep 2014 05:26:16 -0400 Received: by mail-pd0-f178.google.com with SMTP id y13so5722926pdi.23 for ; Mon, 01 Sep 2014 02:26:15 -0700 (PDT) Date: Mon, 1 Sep 2014 17:26:09 +0800 From: Liu Yuan Message-ID: <20140901092609.GE720@ubuntu-trusty> References: <1409557394-11853-1-git-send-email-namei.unix@gmail.com> <1409557394-11853-6-git-send-email-namei.unix@gmail.com> <20140901083526.GF15537@irqsave.net> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20140901083526.GF15537@irqsave.net> Subject: Re: [Qemu-devel] [PATCH 5/8] quorum: fix quorum_aio_cancel() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: =?iso-8859-1?Q?Beno=EEt?= Canet Cc: Kevin Wolf , qemu-devel@nongnu.org, Stefan Hajnoczi On Mon, Sep 01, 2014 at 10:35:27AM +0200, Benoît Canet wrote: > The Monday 01 Sep 2014 à 15:43:11 (+0800), Liu Yuan wrote : > > For a fifo read pattern, we only have one running aio > > >(possible other cases that has less number than num_children in the future) > I have trouble understanding this part of the commit message could you try > to clarify it ? Until this patch, we have two cases, read single or read all. But later patch allow VMs to continue if some devices are down. So the discrete number 1 and N becomes a range [1, N], that is possible running requests are from 1 to N. Thanks Yuan