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 p664A0aK065775 for ; Tue, 5 Jul 2011 23:10:00 -0500 Received: from ipmail06.adl2.internode.on.net (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id A93934D8C6 for ; Tue, 5 Jul 2011 20:56:09 -0700 (PDT) Received: from ipmail06.adl2.internode.on.net (ipmail06.adl2.internode.on.net [150.101.137.129]) by cuda.sgi.com with ESMTP id S5XnYs23sPUfu2zJ for ; Tue, 05 Jul 2011 20:56:09 -0700 (PDT) Date: Wed, 6 Jul 2011 13:55:57 +1000 From: Dave Chinner Subject: Re: [PATCH 27/27] xfs: avoid a few disk cache flushes Message-ID: <20110706035557.GV1026@dastard> References: <20110701094321.936534538@bombadil.infradead.org> <20110701094607.799498339@bombadil.infradead.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20110701094607.799498339@bombadil.infradead.org> 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: Christoph Hellwig Cc: xfs@oss.sgi.com On Fri, Jul 01, 2011 at 05:43:48AM -0400, Christoph Hellwig wrote: > There is no need for a pre-flush when doing writing the second part of a > split log buffer, and if we are using an external log there is no need > to do a full cache flush of the log device at all given that all writes > to it use the FUA flag. > > Signed-off-by: Christoph Hellwig Reviewed-by: Dave Chinner Cheers, Dave. -- Dave Chinner david@fromorbit.com _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs