From 495a276e1ca96af622edb67ad0f85431935b20d2 Mon Sep 17 00:00:00 2001
From: Christoph Hellwig <hch@lst.de>
Date: Wed, 14 Jan 2015 10:42:34 +0100
Subject: [PATCH] block_dev: get bdev inode bdi directly from the block device

Directly grab the backing_dev_info from the request_queue instead of
detouring through the address_space.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
---
Reading git-format-patch failed