[PATCH 08/12] fs: remove mapping->backing_dev_info

[Tejun Heo]

On Thu, Jan 08, 2015 at 06:45:29PM +0100, Christoph Hellwig wrote:
> 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 at lst.de>
> Acked-by: Ryusuke Konishi <konishi.ryusuke at lab.ntt.co.jp>

Reviewed-by: Tejun Heo <tj at kernel.org>

Thanks.

-- 
tejun