---
upgrade:
  - |
    Services using os-brick need to set the ``lock_path`` configuration option
    in their ``[oslo_concurrency]`` section since it doesn't have a valid
    default (related `bug #1947370
    <https://bugs.launchpad.net/cinder/+bug/1947370>`_).
fixes:
  - |
    `Bug #1947370 <https://bugs.launchpad.net/cinder/+bug/1947370>`_: Fixed
    race conditions on iSCSI with shared targets and NVMe ``connect_volume``
    and ``disconnect_volume`` calls.
