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From: Wu Fengguang <fengguang.wu@intel.com>
Subject: Re: [PATCH 0/2] Make task doing heavy writing killable
Date: Mon, 14 Nov 2011 20:29:32 +0800
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Cc: Jan Kara <jack@suse.cz>,
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> Can you make balance_dirty_pages(_ratelimited) return an error instead
> of opencoding the fatal signal che

Hmm that means a bigger change to the prototype of the _exported_
balance_dirty_pages_ratelimited_nr() which impacts out of tree FS...