From: Alex Elder <elder@dreamhost.com>
Date: Thu, 2 Feb 2012 14:13:29 +0000 (-0600)
Subject: rbd: tie rbd_dev_list changes to rbd_id operations
X-Git-Tag: v3.4-rc1~76^2~38
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=499afd5b8e742792fda6bd7730c738ad83aecf6b;p=pandora-kernel.git

rbd: tie rbd_dev_list changes to rbd_id operations

The only time entries are added to or removed from the global
rbd_dev_list is exactly when a "put" or "get" operation is being
performed on a rbd_dev's id.  So just move the list management code
into get/put routines.

Signed-off-by: Alex Elder <elder@dreamhost.com>
Signed-off-by: Sage Weil <sage@newdream.net>
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