librbd:
  copy-on-read: fix typo in AioRead state machine notation.
librbd:
  copy-on-read:
    force rbd_clone_copy_on_read in unit test.
librbd:
  copy-on-read:
    after we've read from the child and close it once, make sure copy-on-read
    worked by using rados_list() and checking for objects named after the
    child's block_name_prefix reported by rbd_stat().
Merge branch 'wip-copy-on-read-review' into wip-copy-on-read