From fb65d2284c117cfc28d30217d25a14a8e7a75a94 Mon Sep 17 00:00:00 2001
From: Alex Elder <elder@inktank.com>
Date: Wed, 8 May 2013 22:50:04 -0500
Subject: [PATCH] rbd: define rbd_dev_unparent()

Define rbd_dev_unparent() to encapsulate cleaning up parent data
structures from a layered rbd image.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
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Reading git-format-patch failed