From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail143.messagelabs.com (mail143.messagelabs.com [216.82.254.35]) by kanga.kvack.org (Postfix) with ESMTP id B40AF6B004A for ; Fri, 1 Jul 2011 11:15:18 -0400 (EDT) Date: Fri, 1 Jul 2011 11:15:09 -0400 From: Christoph Hellwig Subject: Re: [PATCH 03/27] xfs: use write_cache_pages for writeback clustering Message-ID: <20110701151509.GA30620@infradead.org> References: <20110629140109.003209430@bombadil.infradead.org> <20110629140336.950805096@bombadil.infradead.org> <20110701022248.GM561@dastard> <20110701041851.GN561@dastard> <20110701093305.GA28531@infradead.org> <20110701145935.GB29530@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20110701145935.GB29530@suse.de> Sender: owner-linux-mm@kvack.org List-ID: To: Mel Gorman Cc: Christoph Hellwig , Johannes Weiner , Wu Fengguang , Dave Chinner , xfs@oss.sgi.com, jack@suse.cz, linux-mm@kvack.org On Fri, Jul 01, 2011 at 03:59:35PM +0100, Mel Gorman wrote: > On Fri, Jul 01, 2011 at 05:33:05AM -0400, Christoph Hellwig wrote: > > Johannes, Mel, Wu, > > Am adding Jan Kara as he has been working on writeback efficiency > recently as well. > > > Dave has been stressing some XFS patches of mine that remove the XFS > > internal writeback clustering in favour of using write_cache_pages. > > > > Against what kernel? 2.6.38 was a disaster for reclaim I've been > finding out this week. I don't know about 2.6.38.8. 2.6.39 was better. The patch series is against current 3.0-rc, I assume that's what Dave tested as well. > I'm assuming "test 180" is from xfstests which was not one of the tests > I used previously. To run with 1000 files instead of 100, was the file > "180" simply editted to make it look like this loop instead? Yes. to both questions. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org