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Subject: Re: [PATCH 01/45] writeback: reduce calls to global_page_state in
 balance_dirty_pages()
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Wu Fengguang <fengguang.wu@intel.com>
Cc: Jan Kara <jack@suse.cz>, Andrew Morton <akpm@linux-foundation.org>,
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Date: Sun, 11 Oct 2009 12:58:01 +0200
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On Sun, 2009-10-11 at 18:50 +0800, Wu Fengguang wrote:
> 
> Sorry for the confusion, but I mean, filesystems have to limit
> nr_writeback (directly or indirectly via the block io queue),
> otherwise it either hit nr_dirty to 0 (with the loop), or let
> nr_writeback grow out of control (without the loop).

OK, it seems we are indeed in agreement.

Just making sure ;-)