742 				 unsigned int *out_num, unsigned int *in_num)  in wait_for_vq_desc()  argument
810 	*out_num = *in_num = 0;  in wait_for_vq_desc()
886 		iov[*out_num + *in_num].iov_len = desc[i].len;  in wait_for_vq_desc()
887 		iov[*out_num + *in_num].iov_base  in wait_for_vq_desc()
900 			(*out_num)++;  in wait_for_vq_desc()
904 		if (*out_num + *in_num > max)  in wait_for_vq_desc()
956 	unsigned int head, in_num, out_num;  in console_input()  local
961 	head = wait_for_vq_desc(vq, iov, &out_num, &in_num);  in console_input()
962 	if (out_num)  in console_input()
2941 	unsigned int head, out_num, in_num, wlen;  in blk_request()  local
2952 	head = wait_for_vq_desc(vq, iov, &out_num, &in_num);  in blk_request()
2955 	iov_consume(vq->dev, iov, out_num, &out, sizeof(out));  in blk_request()
2959 	for (i = out_num + in_num - 1; i >= out_num; i--) {  in blk_request()
2985 		ret = writev(vblk->fd, iov, out_num);  in blk_request()
3018 		ret = readv(vblk->fd, iov + out_num, in_num);  in blk_request()
3083 	unsigned int head, in_num, out_num, totlen = 0;  in rng_input()  local
3088 	head = wait_for_vq_desc(vq, iov, &out_num, &in_num);  in rng_input()
3089 	if (out_num)  in rng_input()