vop_old_rename
DO_OPS(ops, error, &ap, vop_old_rename);
vop_old_rename(*(fdvp)->v_ops, fdvp, fvp, fcnp, tdvp, tvp, tcnp)
int (*vop_old_rename)(struct vop_old_rename_args *);
int vop_old_rename(struct vop_ops *ops, struct vnode *fdvp,
.vop_old_rename = (void *)dead_badop,
.vop_old_rename = ext2_rename,
.vop_old_rename = (void *)fifo_badop,
.vop_old_rename = msdosfs_rename,
.vop_old_rename = nfs_rename,
.vop_old_rename = (void *)procfs_badop,
.vop_old_rename = smbfs_rename,
.vop_old_rename = ufs_rename,