rbd: allow null image name

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We will know the image id for format 2 parent images, but won't
initially know its image name.  Avoid making the query for an image
id in rbd_dev_image_id() if it's already known.

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

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Alex Elder 2012-10-30 19:40:33 -05:00

parent 83a0626362

commit 2c0d0a10ea

1 changed files with 8 additions and 0 deletions

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drivers/block/rbd.c

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