bch_keylist_nkeys
size_t oldsize = bch_keylist_nkeys(l);
return bch_keylist_nkeys(l) * sizeof(uint64_t);
if (bch_keylist_nkeys(insert_keys) > insert_u64s_remaining(b)) {
w = journal_wait_for_write(c, bch_keylist_nkeys(keys));
w->data->keys += bch_keylist_nkeys(keys);
size_t oldsize = bch_keylist_nkeys(l);