xen/blkback: add accessor for xenbus backend device
authorJeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Thu, 18 Mar 2010 22:35:05 +0000 (15:35 -0700)
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Thu, 14 Apr 2011 22:26:12 +0000 (18:26 -0400)
Since backend_info is hidden away now.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>

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