-/* unformatted nodes are not logged anymore, ever. This is safe now */
-#define held_by_others(bh) (atomic_read(&(bh)->b_count) > 1)
-
-/* block can not be forgotten as it is in I/O or held by someone */
-#define block_in_use(bh) (buffer_locked(bh) || (held_by_others(bh)))
-