message: nydusd: disable no_opendir for passthrough_fs
  Otherwise, there would be inconsistency between host and guest readdir()
  results.
  Fixes:
  Reported-by: Daowen Luo
diff: @@ -586,6 +586,7 @@ fn process_default_fs_service(
  // passthroughfs requires !no_open
  opts.no_open = false;
  + opts.no_opendir = false;
  opts.killpriv_v2 = true;
  Some(cmd)
  @@ -617,6 +618,7 @@ fn process_default_fs_service(
  // Enable all options required by passthroughfs
  if args.is_present("hybrid-mode") {
  opts.no_open = false;
  + opts.no_opendir = false;
  opts.killpriv_v2 = true;
  }
  