XLOG_FMT
iclog->ic_header->h_fmt = cpu_to_be32(XLOG_FMT);
recp->h_fmt = cpu_to_be32(XLOG_FMT);
__func__, &mp->m_sb.sb_uuid, XLOG_FMT);
if (XFS_IS_CORRUPT(mp, head->h_fmt != cpu_to_be32(XLOG_FMT))) {