```C
471     if (mount_flags & EXT2_MF_MOUNTED) {
472         bigalloc_check(fs, force);
473         retval = online_resize_fs(fs, mtpt, &new_size, flags);
474     } else {
475         bigalloc_check(fs, force);
476         printf(_("Resizing the filesystem on "
477              "%s to %llu (%dk) blocks.\n"),
478                device_name, new_size, blocksize / 1024);
479         retval = resize_fs(fs, &new_size, flags,
480                    ((flags & RESIZE_PERCENT_COMPLETE) ?
481                     resize_progress_func : 0));
482     }
```