UnmarkBusy
void UnmarkBusy(bool includeDescendants);
device->UnmarkBusy(true);
device->UnmarkBusy(true);
device->UnmarkBusy(true);
device->UnmarkBusy(true);
device->UnmarkBusy(true);
partition->UnmarkBusy(true);
partition->UnmarkBusy(true);
partition->UnmarkBusy(true);
partition->UnmarkBusy(false);
child->UnmarkBusy(true);
child->UnmarkBusy(true);
partition->UnmarkBusy(false);
partition->UnmarkBusy(false);
partition->UnmarkBusy(false);