UNIONFS_OPENEXTU
if ((tvp == unp->un_uppervp && (unp->un_flag & UNIONFS_OPENEXTU)) ||
unp->un_flag |= UNIONFS_OPENEXTU;
if (unp->un_flag & UNIONFS_OPENEXTU)
unp->un_flag &= ~UNIONFS_OPENEXTU;
if (unp->un_flag & UNIONFS_OPENEXTU)
if (unp->un_flag & UNIONFS_OPENEXTU)
unp->un_flag |= UNIONFS_OPENEXTU;
if (unp->un_flag & UNIONFS_OPENEXTU)
if (unp->un_flag & UNIONFS_OPENEXTU)
unp->un_flag |= UNIONFS_OPENEXTU;