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Date: Wed, 10 Aug 2011 07:00:56 -0400
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH 0/7] Reduce filesystem writeback from page reclaim v3
Message-ID: <20110810110056.GA31756@infradead.org>
References: <1312973240-32576-1-git-send-email-mgorman@suse.de>
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To: Mel Gorman <mgorman@suse.de>
Cc: Linux-MM <linux-mm@kvack.org>, LKML <linux-kernel@vger.kernel.org>, XFS <xfs@oss.sgi.com>, Dave Chinner <david@fromorbit.com>, Christoph Hellwig <hch@infradead.org>, Johannes Weiner <jweiner@redhat.com>, Wu Fengguang <fengguang.wu@intel.com>, Jan Kara <jack@suse.cz>, Rik van Riel <riel@redhat.com>, Minchan Kim <minchan.kim@gmail.com>

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.

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