rbd: define image request layered flag

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Define a flag indicating whether an image request is for a layered
image (one with a parent image to which requests will be redirected
if the target object of a request does not exist).  The code that
checks this flag will be added shortly.

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

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Alex Elder 2013-01-24 16:13:36 -06:00 • committed by Sage Weil

parent 9849e98636

commit d0b2e94455

1 changed files with 16 additions and 0 deletions

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drivers/block/rbd.c

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