VDF_INVALID
vd->vd_flags |= VDF_INVALID;
if (vd->vd_flags & (VDF_INVALID | VDF_SUSPENDED)) {
vd->vd_flags &= ~VDF_INVALID;
vd->vd_flags |= VDF_INVALID;
vd->vd_flags |= VDF_INVALID;
.vd_flags = VDF_INVALID,
vd->vd_flags |= VDF_INVALID;
vd->vd_flags |= VDF_INVALID;
vd->vd_flags |= VDF_INVALID;
vd->vd_flags |= VDF_INVALID;
vw->vw_device->vd_flags |= VDF_INVALID;
vd->vd_flags |= VDF_INVALID;
vd->vd_flags |= VDF_INVALID;