---
other:
  - |
    Unified how cinder calculates the virtual free storage space for a pool.
    Previously Cinder had 2 different mechanisms for calculating the
    virtual free storage.  Now both the Capacity Filter and the Capacity
    Weigher use the same mechanism, which is based upon the defined terms in
    https://specs.openstack.org/openstack/cinder-specs/specs/queens/provisioning-improvements.html