Merge pull request ceph#61004 from rishabh-d-dave/mgr-vol-EINVAL

mgr/vol: use error number instead of error message

Reviewed-by: Venky Shankar <[email protected]>
Reviewed-by: Patrick Donnelly <[email protected]>

Author: rishabh-d-dave

src/pybind/mgr/volumes/fs/stats_util.py

@@ -5,6 +5,7 @@
 cloning) and pass, print, log and convert them to human readable format
 conveniently.
 '''
+import errno
 from os.path import join as os_path_join
 from typing import Optional
 from logging import getLogger
@@ -190,7 +191,7 @@ def _get_info_for_all_clones(self):
                                  f'Printing the exception: {e}')
                         continue
                     except VolumeException as e:
-                        if e.error_str != 'error fetching subvolume metadata':
+                        if e.errno != -errno.EINVAL:
                             raise
                         log.info('Exception VolumeException was raised. Apparently '
                                  'an entry from the metadata file of clone source '