rbd: encapsulate probing for parent devices
authorAlex Elder <elder@inktank.com>
Fri, 26 Apr 2013 20:44:36 +0000 (15:44 -0500)
committerSage Weil <sage@inktank.com>
Thu, 2 May 2013 04:19:49 +0000 (21:19 -0700)
Encapsulate the code that probes for an rbd device's parent images
into a new function, rbd_dev_probe_parent().

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

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