secpolicy_vnode_setdac
int secpolicy_vnode_setdac(const cred_t *, uid_t);
error = secpolicy_vnode_setdac(cr, smi->smi_uid);
if (secpolicy_vnode_setdac(cr, ip->i_uid) != 0)
int secpolicy_vnode_setdac(const cred_t *, uid_t);