rbd: allow null image name

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Format 2 parent images are partially identified by their image id,
but it may not be possible to determine their image name.  The name
is not strictly needed for correct operation, so we won't be
treating it as an error if we don't know it.  Handle this case
gracefully in rbd_name_show().

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 2c0d0a10ea

commit a92ffdf8a9

1 changed files with 4 additions and 1 deletions

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drivers/block/rbd.c

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