From: Christoph Hellwig <hch@lst.de>
Date: Wed, 14 Jan 2015 09:42:37 +0000 (+0100)
Subject: fs: remove mapping->backing_dev_info
X-Git-Tag: fixes-v4.0-rc1~119^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b83ae6d421435c6204150300f1c25bfbd39cd62b;p=pandora-kernel.git

fs: remove mapping->backing_dev_info

Now that we never use the backing_dev_info pointer in struct address_space
we can simply remove it and save 4 to 8 bytes in every inode.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp>
Reviewed-by: Tejun Heo <tj@kernel.org>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Jens Axboe <axboe@fb.com>
---

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