VOPNAME_DUMPCTL
VOPNAME_DUMPCTL, offsetof(struct vnodeops, vop_dumpctl),
{ VOPNAME_DUMPCTL, (femop_t *)vhead_dumpctl },
VOPNAME_DUMPCTL, { .error = fs_error }, /* XXX - why? */
VOPNAME_DUMPCTL, { .vop_dumpctl = ufs_dumpctl },
VOPNAME_DUMPCTL, offsetof(struct vnodeops, vop_dumpctl),