Merge PR #25272 into master

* refs/pull/25272/head:
	qa: add simple test-volumes.sh workunit and run it from fs/basic_functional
	vstart.sh: create default fs via 'fs volume create'
	mgr/volumes: fix oremote
	mon/MgrMonitor: enable volumes module by default
	mgr: create `volumes` module
	mgr: cleaner constructor for CommandResult
	mgr: block for latest osdmap after command execution
	mgr: add MgrModule.mon_command helper
	ceph_volume_client: enable using existing rados inst
	mon: give ceph-mgr access to 'fs' commands

Reviewed-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Jan Fajerski <jfajerski@suse.com>

diff --cc src/pybind/ceph_volume_client.py
Simple merge

diff --cc src/pybind/mgr/mgr_module.py
index b80accdd5824c12ed00ec830411ee79be3edb191,3a60dff93351c5a6b3ecff959be9c4c3b67f1470..5d582039aedab1333acf650ab8f811276d16696f
--- 1/src/pybind/mgr/mgr_module.py
--- 2/src/pybind/mgr/mgr_module.py
+++ b/src/pybind/mgr/mgr_module.py
@@@ -5,10 -6,11 +6,11 @@@ import jso
  import six
  import threading
  try:
 -    from collections.abc import defaultdict
 +    from collections.abc import defaultdict, namedtuple
  except ImportError:
 -    from collections import defaultdict
 +    from collections import defaultdict, namedtuple
  import rados
+ import time
  
  PG_STATES = [
          "active",