+// volume_unused(dcr);
+ dev->set_unload(); /* Unload any volume that is on our drive */
+ dcr->dev = vol->dev; /* temp point to other dev */
+ slot = get_autochanger_loaded_slot(dcr); /* get slot on other drive */
+ dcr->dev = dev; /* restore dev */
+ vol->set_slot(slot); /* save slot */
+ vol->dev->set_unload(); /* unload the other drive */