rbd: expose the correct size of the device in sysfs

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If an image was mapped to a snapshot, the size of the head version
would be shown. Protect capacity with header_rwsem, since it may
change.

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

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Josh Durgin 2011-12-05 10:35:04 -08:00 • committed by Sage Weil

parent 474ef7ce83

commit a51aa0c042

1 changed files with 8 additions and 3 deletions

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11

drivers/block/rbd.c

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