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Date: Mon, 12 Jan 2015 13:33:51 +0100
From: Christoph Hellwig <hch@lst.de>
To: Tejun Heo <tj@kernel.org>
Subject: Re: [PATCH 04/12] block_dev: only write bdev inode on close
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On Sun, Jan 11, 2015 at 12:32:09PM -0500, Tejun Heo wrote:
> Is this an optimization or something necessary for the following
> changes?  If latter, maybe it's a good idea to state why this is
> necessary in the description?  Otherwise,

It gets rid of a bdi reassignment, and thus makes life a lot simpler.
I'll update the commit message.