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Date: Mon, 14 Sep 2009 11:41:19 +0200
From: Jens Axboe <jens.axboe@oracle.com>
To: Linux Kernel <linux-kernel@vger.kernel.org>
Cc: linux-fsdevel@vger.kernel.org, Christoph Hellwig <hch@infradead.org>
Subject: bdev->bd_inode_backing_dev_info?
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Hi,

This looks a bit odd, what is the purpose of that? It also appears
currently to be unused, it's never set to anything but NULL.

-- 
Jens Axboe