pnfs_seqid_is_newer
if (pnfs_seqid_is_newer(newseq, oldseq))
return lo->plh_barrier && pnfs_seqid_is_newer(lo->plh_barrier, seqid);
if (pnfs_seqid_is_newer(newseq, lo->plh_barrier) || !lo->plh_barrier)
if (!lo->plh_return_seq || pnfs_seqid_is_newer(seq, lo->plh_return_seq))
if (seq != 0 && pnfs_seqid_is_newer(lseg->pls_seq, seq))