Comment 3 for bug 1901241

Reviewed: https://review.opendev.org/760923
Committed: https://git.openstack.org/cgit/openstack/cinder/commit/?id=23a821b2a4bbb5696bc27044a455fc7837641111
Submitter: Zuul
Branch: stable/victoria

commit 23a821b2a4bbb5696bc27044a455fc7837641111
Author: David Hill <email address hidden>
Date: Thu Oct 22 18:56:19 2020 -0400

    Do not fail when depth is greater than rbd_max_clone_depth

    Removed a sanity check in the code that raised an exception
    if the clone depth of a volume to be cloned exceeded the
    rbd_max_clone_depth config value. A consequence of this
    check was that if an operator lowered the value, volumes
    whose clone depth was greater than the new value (as would
    be allowed by the previous, higher setting) could no longer
    be cloned.

    Change-Id: I8c445058a25c2eca2fda91bdeb6befedae34ccf2
    Closes-bug: #1901241
    (cherry picked from commit 8d8d242c3924037e6774a681efabce4893a26646)