From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755290AbYHRRRK (ORCPT ); Mon, 18 Aug 2008 13:17:10 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753316AbYHRRQ5 (ORCPT ); Mon, 18 Aug 2008 13:16:57 -0400 Received: from gw.goop.org ([64.81.55.164]:37134 "EHLO mail.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752827AbYHRRQ5 (ORCPT ); Mon, 18 Aug 2008 13:16:57 -0400 Message-ID: <48A9AE88.3060507@goop.org> Date: Mon, 18 Aug 2008 10:16:56 -0700 From: Jeremy Fitzhardinge User-Agent: Thunderbird 2.0.0.16 (X11/20080723) MIME-Version: 1.0 To: Chris Lalancette CC: "xen-devel@lists.xensource.com" , linux-kernel@vger.kernel.org Subject: Re: [PATCH]: Expand Xen blkfront for > 16 xvd References: <48A400EC.9040407@redhat.com> In-Reply-To: <48A400EC.9040407@redhat.com> X-Enigmail-Version: 0.95.7 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Chris Lalancette wrote: > Jeremy, > Until recently, the maximum number of xvd block devices you could attach to > a Xen domU was 16. This limitation turned out to be problematic for some users, > so it was expanded to handle a much larger number of disks. However, this > requires a couple of changes in the way that blkfront scans for disks. This > functionality is already present in the Xen linux-2.6.18-xen.hg tree; the > attached patch adds this functionality to the mainline xen-blkfront > implementation. I haven't tested this yet. You have tested it OK with some pvops kernel? If so, send it to Jens Axboe with my ack. > I successfully tested it on a 2.6.25 tree. I build tested it > on 2.6.27-rc3, but couldn't get that tree to boot due to some other bug. What other bug? J