rcbag_next_edge
int rcbag_next_edge(struct rcbag *bag, struct xfs_trans *tp,
error = rcbag_next_edge(rcstack, sc->tp, &rmap, have, &nbno);
error = rcbag_next_edge(rcstack, sc->tp, &rmap, have,
error = rcbag_next_edge(rcstack, sc->tp, &rmap, have, &nbno);
error = rcbag_next_edge(rcstack, sc->tp, &rmap, have,