From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753354Ab1HJLPv (ORCPT ); Wed, 10 Aug 2011 07:15:51 -0400 Received: from cantor2.suse.de ([195.135.220.15]:32999 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752853Ab1HJLPu (ORCPT ); Wed, 10 Aug 2011 07:15:50 -0400 Date: Wed, 10 Aug 2011 12:15:47 +0100 From: Mel Gorman To: Christoph Hellwig Cc: Linux-MM , LKML , XFS , Dave Chinner , Johannes Weiner , Wu Fengguang , Jan Kara , Rik van Riel , Minchan Kim Subject: Re: [PATCH 0/7] Reduce filesystem writeback from page reclaim v3 Message-ID: <20110810111547.GZ19099@suse.de> References: <1312973240-32576-1-git-send-email-mgorman@suse.de> <20110810110056.GA31756@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <20110810110056.GA31756@infradead.org> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Aug 10, 2011 at 07:00:56AM -0400, Christoph Hellwig wrote: > On Wed, Aug 10, 2011 at 11:47:13AM +0100, Mel Gorman wrote: > > o Dropped btrfs warning when filesystems are called from direct > > reclaim. The fallback method for migration looks indistinguishable > > from direct reclaim. > > The right fix is to simply remove that fallback, possibly in combination > with implementating real migration support for btrfs. > Removing the fallback entirely is overkill as proper migration support is not going to get 100% coverage but I agree that btrfs should have real migration support. I didn't think it belonged in this series though. -- Mel Gorman SUSE Labs