set_seen
set_seen(ubi, ubi->fm_pool.pebs[i], seen_pebs);
set_seen(ubi, ubi->fm_wl_pool.pebs[i], seen_pebs);
set_seen(ubi, wl_e->pnum, seen_pebs);
set_seen(ubi, wl_e->pnum, seen_pebs);
set_seen(ubi, wl_e->pnum, seen_pebs);
set_seen(ubi, wl_e->pnum, seen_pebs);
set_seen(ubi, wl_e->pnum, seen_pebs);
set_seen(ubi, new_fm->e[i]->pnum, seen_pebs);