From: Alex Elder <elder@inktank.com>
Date: Fri, 26 Oct 2012 22:25:24 +0000 (-0500)
Subject: rbd: add reference counting to rbd_spec
X-Git-Tag: v3.8-rc1~21^2~34
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8b8fb99c5c93a0bdfe7b0c0c9fd2d41a3244555e;p=pandora-kernel.git

rbd: add reference counting to rbd_spec

With layered images we'll share rbd_spec structures, so add a
reference count to it.  It neatens up some code also.

A silly get/put pair is added to the alloc routine just to avoid
"defined but not used" warnings.  It will go away soon.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
---

Reading git-diff-tree failed