On Thu, Jan 08, 2015 at 06:45:27PM +0100, Christoph Hellwig wrote: > mapping->backing_dev_info will go away, so don't rely on it. > > 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