+ return (s32)(s1 - s2) > 0;
+}
+
+static void
+pnfs_verify_layout_stateid(struct pnfs_layout_hdr *lo,
+ const nfs4_stateid *new,
+ struct list_head *free_me_list)
+{
+ if (nfs4_stateid_match_other(&lo->plh_stateid, new))
+ return;
+ /* Layout is new! Kill existing layout segments */
+ pnfs_mark_matching_lsegs_invalid(lo, free_me_list, NULL);