_drbd_uuid_set
extern void _drbd_uuid_set(struct drbd_device *device, int idx, u64 val) __must_hold(local);
_drbd_uuid_set(device, UI_BITMAP, 0);
_drbd_uuid_set(device, UI_CURRENT, p_uuid[UI_CURRENT]);
_drbd_uuid_set(device, UI_BITMAP, 0);
_drbd_uuid_set(device, UI_CURRENT, be64_to_cpu(p->uuid));
_drbd_uuid_set(device, UI_BITMAP, 0UL);
_drbd_uuid_set(device, i, device->p_uuid[i]);
_drbd_uuid_set(device, UI_CURRENT, device->p_uuid[UI_CURRENT]);