Backport #44020
Updated by Ramana Raja over 4 years ago
https://github.com/ceph/ceph/pull/33122/ Old description: Manila's cephfs driver does not support recovering data from snapshots,The driver uses the ceph_volume_client library. If implement cephfs_volume_client's `_cp_r` method[1], it useful for data recovery of manila cephfs drivers. [1]: https://github.com/ceph/ceph/blob/master/src/pybind/ceph_volume_client.py#L1390