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authorAlex Elder <elder@inktank.com>2012-10-25 23:34:42 -0500
committerAlex Elder <elder@inktank.com>2012-11-01 07:55:42 -0500
commit86b00e0da6be7bbc16412f126c5b548ac5d91d50 (patch)
tree466c0dcecd75ca707f33b18265be969e385f366c /net/ceph
parenta92ffdf8a9b09f8fae9a8f418f87f30a5e459570 (diff)
downloadop-kernel-dev-86b00e0da6be7bbc16412f126c5b548ac5d91d50.zip
op-kernel-dev-86b00e0da6be7bbc16412f126c5b548ac5d91d50.tar.gz
rbd: get parent spec for version 2 images
Add support for getting the the information identifying the parent image for rbd images that have them. The child image holds a reference to its parent image specification structure. Create a new entry "parent" in /sys/bus/rbd/image/N/ to report the identifying information for the parent image, if any. Signed-off-by: Alex Elder <elder@inktank.com> Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
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