SMBFS: Enable in-use volume snapshots

Change-Id: I63aaafb7897646d0e244ac1d24d597fc59b44dd3

cinder/volume/drivers/smbfs.py

@@ -193,6 +193,8 @@ def do_setup(self, context):
         self._ensure_shares_mounted()
         self._setup_allocation_data()
 
+        super(SmbfsDriver, self).do_setup(context)
+
     def _setup_allocation_data(self):
         if not os.path.exists(self._alloc_info_file_path):
             fileutils.ensure_tree(
@@ -452,15 +454,6 @@ def _is_share_eligible(self, smbfs_share, volume_size_in_gib):
             return False
         return True
 
-    def _create_snapshot_online(self, snapshot, backing_filename,
-                                new_snap_path):
-        msg = _("This driver does not support snapshotting in-use volumes.")
-        raise exception.SmbfsException(msg)
-
-    def _delete_snapshot_online(self, context, snapshot, info):
-        msg = _("This driver does not support deleting in-use snapshots.")
-        raise exception.SmbfsException(msg)
-
     def _do_create_snapshot(self, snapshot, backing_filename, new_snap_path):
         self._check_snapshot_support(snapshot)
         super(SmbfsDriver, self)._do_create_snapshot(