* refs/pull/21948/head:
ceph_volume_client: use integer division for pg_num
packages.yaml: install py3 compatible cephfs and rados bindings...
qa: test py2 and py3 for volume client
qa: make test_volume_client.py py3 compatible
qa/ceph-volume: allow executing python pyloads using python3
cephfs.pyx: add py3 compatibility
ceph-volume-client: add py3 compatibility
Reviewed-by: Patrick Donnelly <pdonnell@redhat.com>