xen/blkback: Add some comments.
authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Thu, 14 Apr 2011 21:05:23 +0000 (17:05 -0400)
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Thu, 14 Apr 2011 22:26:28 +0000 (18:26 -0400)
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

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