linux-ext4 - Re: [PATCH, RFC] vm: Add an tuning knob for vm.max_writeback

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Date:	Mon, 31 Aug 2009 11:54:41 -0400
From:	Theodore Tso <tytso@....edu>
To:	Jens Axboe <jens.axboe@...cle.com>
Cc:	Christoph Hellwig <hch@...radead.org>, linux-mm@...ck.org,
	Ext4 Developers List <linux-ext4@...r.kernel.org>,
	linux-fsdevel@...r.kernel.org, chris.mason@...cle.com
Subject: Re: [PATCH, RFC] vm: Add an tuning knob for vm.max_writeback_pages

At the risk of asking a stupid question, what *is* range_cyclic and
what is it trying to do?  I've been looking at the code and am I'm
getting myself very confused about what the code is trying to do and
what was its original intent.

					- Ted
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