nid_in_journal
nid = le32_to_cpu(nid_in_journal(journal, i));
nid_t nid = le32_to_cpu(nid_in_journal(journal, i));
nid_in_journal(journal, offset) = cpu_to_le32(nid);
if (le32_to_cpu(nid_in_journal(journal, i)) == val)