spin_lock(&rbd_dev_list_lock);
        list_add_tail(&rbd_dev->node, &rbd_dev_list);
        spin_unlock(&rbd_dev_list_lock);
-       dout("rbd_dev %p given dev id %llu\n", rbd_dev,
-               (unsigned long long) rbd_dev->dev_id);
+       dout("rbd_dev %p given dev id %d\n", rbd_dev, rbd_dev->dev_id);
 }
 
 /*
 
        rbd_assert(rbd_id > 0);
 
-       dout("rbd_dev %p released dev id %llu\n", rbd_dev,
-               (unsigned long long) rbd_dev->dev_id);
+       dout("rbd_dev %p released dev id %d\n", rbd_dev, rbd_dev->dev_id);
        spin_lock(&rbd_dev_list_lock);
        list_del_init(&rbd_dev->node);