linux-kernel - Re: [PATCH 0/7] Reduce filesystem writeback from page reclaim v3

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Message-ID: <20110811234516.GA21649@infradead.org>
Date:	Thu, 11 Aug 2011 19:45:16 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Mel Gorman <mgorman@...e.de>
Cc:	Christoph Hellwig <hch@...radead.org>,
	Rik van Riel <riel@...hat.com>, Jan Kara <jack@...e.cz>,
	LKML <linux-kernel@...r.kernel.org>, XFS <xfs@....sgi.com>,
	Linux-MM <linux-mm@...ck.org>,
	Minchan Kim <minchan.kim@...il.com>,
	Wu Fengguang <fengguang.wu@...el.com>,
	Johannes Weiner <jweiner@...hat.com>
Subject: Re: [PATCH 0/7] Reduce filesystem writeback from page reclaim v3

On Wed, Aug 10, 2011 at 12:15:47PM +0100, Mel Gorman wrote:
> > 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

It seems like btrfs is indeed the only important one missing.

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