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(parent: fced84e) | patch
rbd: add reference counting to rbd_spec
authorAlex Elder <elder@inktank.com>
Fri, 26 Oct 2012 22:25:24 +0000 (17:25 -0500)
committerAlex Elder <elder@inktank.com>
Thu, 1 Nov 2012 12:55:41 +0000 (07:55 -0500)
commitc074a2f943d168c7a98cce506421cb60586e00f7
tree2d94f2e8a322f80c4f1a3e98d353c8c13f6dd082tree | snapshot
parentfced84ec867c4f3acd437979c331b3e65f9f26c1commit | diff
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>
drivers/block/rbd.c diff | blob | history
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