Re: [Qemu-devel] [PATCH v5 2/9] dump: Add API to write header of flatten format

[Stefan Hajnoczi]

On Tue, Jul 09, 2013 at 03:30:07PM +0800, Qiao Nuohan wrote:
> +static int write_start_flat_header(int fd)
> +{
> +    char buf[MAX_SIZE_MDF_HEADER];
> +    MakedumpfileHeader mh;

Why is buf[] necessary?  You can write mh directly.