Re: [Qemu-devel] [PATCH 4/5] savevm: improve subsections detection on load

[Paolo Bonzini]

On 10/06/2011 06:21 PM, Juan Quintela wrote:
> +
> +int qemu_get_buffer(QEMUFile *f, uint8_t *buf, int size)
> +{
> +    int pending = size;
> +    int done = 0;
> +
> +    while (pending>  0) {
> +        int res;
> +
> +        res = qemu_peek_buffer(f, buf, pending, 0);
> +        if (res == 0) {
> +            return 0;
>           }
> -        memcpy(buf, f->buf + f->buf_index, l);
> -        f->buf_index += l;
> -        buf += l;
> -        size -= l;
> +        qemu_file_skip(f, res);
> +        buf += res;
> +        pending -= res;
> +        done += res;
>       }
> -    return size1 - size;
> +    return done;
>   }

This changes semantics for reads above 32KB.  It should be in the commit 
message, or preferably v1 could be committed instead. :)

Paolo