rbd: define image specification structure

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Group the fields that uniquely specify an rbd image into a new
reference-counted rbd_spec structure.  This structure will be used
to describe the desired image when mapping an image, and when
probing parent images in layered rbd devices.  Replace the set of
fields in the rbd device structure with a pointer to a dynamically
allocated rbd_spec.

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

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Alex Elder 2012-10-25 23:34:41 -05:00

parent dc79b113d6

commit 0d7dbfce9d

1 changed files with 90 additions and 68 deletions

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drivers/block/rbd.c

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