if (!bitmap_init (&free_map, disk_size (filesys_disk)))
return false;
bitmap_read (&free_map, &free_map_file);
bitmap_dump (&free_map);
bitmap_destroy (&free_map);
if (!bitmap_init (&free_map, disk_size (filesys_disk)))
return false;
bitmap_read (&free_map, &free_map_file);
bitmap_dump (&free_map);
bitmap_destroy (&free_map);