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Subject: Re: [PATCH 01/35] writeback: enabling gate limit for light dirtied
 bdi
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Wu Fengguang <fengguang.wu@intel.com>
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Date: Thu, 13 Jan 2011 20:26:10 +0100
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On Thu, 2011-01-13 at 11:44 +0800, Wu Fengguang wrote:
> When testing 10-disk JBOD setup, I
> find that bdi_dirty_limit fluctuations too much. So I'm considering
> use global_dirty_limit as control target. 

Is this because the bandwidth is equal or larger than the dirty period?