xfs_rmap_count_owners
int xfs_rmap_count_owners(struct xfs_btree_cur *cur, xfs_agblock_t bno,
error = xfs_rmap_count_owners(sc->sa.rmap_cur, bno, len, oinfo, &res);
error = xfs_rmap_count_owners(sc->sa.rmap_cur, bno, len, oinfo, &res);
error = xfs_rmap_count_owners(sc->sr.rmap_cur, bno, len, oinfo, &res);