ufs_bmaparray
error = ufs_bmaparray(vp, bp->b_lblkno, &blkno, NULL, &bforwards, NULL);
error = ufs_bmaparray(vp, i, &blkno, NULL, NULL, NULL);
ufs_bmaparray(bp->b_vp, bp->b_lblkno, &blkno, bp,
error = ufs_bmaparray(ap->a_vp, ap->a_bn, &blkno, NULL,
int ufs_bmaparray(struct vnode *, ufs2_daddr_t, ufs2_daddr_t *,
error = ufs_bmaparray(vp, bp->b_lblkno, &blkno, bp, NULL, NULL);