struct lu_ucred;
-extern void lustre_groups_from_list(cfs_group_info_t *ginfo, gid_t *glist);
-extern void lustre_groups_sort(cfs_group_info_t *group_info);
+extern void lustre_groups_from_list(struct group_info *ginfo, gid_t *glist);
+extern void lustre_groups_sort(struct group_info *group_info);
extern int lustre_in_group_p(struct lu_ucred *mu, gid_t grp);
extern int lustre_idmap_add(struct lustre_idmap_table *t,