anchor.diff:          %todo VFS-4847 refactor this case, use when wherever possible
           {false, undefined, _} ->
               % remote file created on storage by open and not yet replicated
  -            false;
  +            not_updated;
   
           {true, undefined, undefined} when MTime < StMtime ->
               % file created locally and modified on storage
  
positive.code: %% Updates file's size if it has changed since last import.
  %% @end
  %%--------------------------------------------------------------------
  maybe_update_file_location(#statbuf{}, _FileCtx, ?DIRECTORY_TYPE, _StorageFileCtx) ->
      not_updated;
  maybe_update_file_location(#statbuf{st_mtime = StMtime, st_size = StSize},
  
negative.code:                 throw:?ENOENT ->
                      not_updated;
                  throw:?ENODATA ->
                      not_updated
              end
      end.
  
  