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H A D | rbd.c | 9b17eb2c Thu Feb 28 08:51:39 CST 2019 Ilya Dryomov <idryomov@gmail.com> rbd: whole-object write and zeroout should copyup when snapshots exist
Otherwise, once the parent snapshot is removed, the clone's snapshot wouldn't reflect the state of the clone prior to whole-object write or zeroout because a deep-copyup was never done ("rbd flatten" wouldn't do it because the modified object would exist in HEAD).
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
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