[Qemu-devel] Re: [PATCH 09/16] scsi-disk: Allocate iovec dynamically

[Gerd Hoffmann]

  Hi,

> +static size_t scsi_req_iov_len(SCSIDiskReq *r)
> +{
> +    size_t iov_len = 0;
> +    int i;
> +
> +    for (i = 0; i<  r->iov_num; i++)
> +        iov_len += r->iov[i].iov_len;
> +
> +    return iov_len;
> +}

You are aware that there is a QEMUIOVector type with helper functions 
which keeps track of both number of elements and total size?

cheers,
  Gerd