drivers/vhost/vringh.c

449 				    unsigned int num_used,
466 	/* Compiler knows num_used == 1 sometimes, hence extra check */
467 	if (num_used > 1 && unlikely(off + num_used >= vrh->vring.num)) {
472 				      num_used - part);
474 		err = putused(vrh, &used_ring->ring[off], used, num_used);
478 			   num_used, off, &used_ring->ring[off]);
485 	err = putu16(vrh, &vrh->vring.used->idx, used_idx + num_used);
492 	vrh->completed += num_used;
822  * @num_used: the number of used elements.
829 			       unsigned num_used)
831 	return __vringh_complete(vrh, used, num_used,