From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id o6O06m4M230556 for ; Fri, 23 Jul 2010 19:06:49 -0500 Received: from mail.internode.on.net (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id C99E546A99E for ; Fri, 23 Jul 2010 17:09:49 -0700 (PDT) Received: from mail.internode.on.net (bld-mail18.adl2.internode.on.net [150.101.137.103]) by cuda.sgi.com with ESMTP id ZLKPOaela6Y0Z8QJ for ; Fri, 23 Jul 2010 17:09:49 -0700 (PDT) Date: Sat, 24 Jul 2010 10:09:46 +1000 From: Dave Chinner Subject: Re: [RFC, PATCH 0/3] serialise concurrent direct IO sub-block zeroing Message-ID: <20100724000946.GK32635@dastard> References: <1279881678-1660-1-git-send-email-david@fromorbit.com> <4C49EB67.6020509@sandeen.net> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <4C49EB67.6020509@sandeen.net> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: Eric Sandeen Cc: xfs@oss.sgi.com On Fri, Jul 23, 2010 at 02:20:07PM -0500, Eric Sandeen wrote: > Dave Chinner wrote: > > Patches for discussion seeing as git.kernel.org is being slow to update. > > > > I can confirm that this fixes the qemu problems, too. > > Also makes the install take about 30min vs. 10 ;) Yeah, that's no surprise - it'll be serialising all the IO even when it doesn't need to. Good to know that we've found the cause of the problem, though, so we can work from here towards a more robust solution. Cheers, Dave. -- Dave Chinner david@fromorbit.com _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs