rbd: add reference counting to rbd_spec

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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>

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Alex Elder 2012-10-26 17:25:24 -05:00

parent 0d7dbfce9d

commit 8b8fb99c5c

1 changed files with 42 additions and 10 deletions

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drivers/block/rbd.c

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