Re: [Qemu-devel] Proposal for extensions of block job commands in QEMU 1.2

[Anthony Liguori]

On 05/21/2012 08:59 AM, Luiz Capitulino wrote:
> On Fri, 18 May 2012 19:08:42 +0200
> Paolo Bonzini<address@hidden>  wrote:
>
> > Modified QMP commands
> > =====================
>
> As we have discussed on the ML, we're not going to extend QMP commands.
>
> I understand your reasoning, and since the beginning I thought this was
> something useful to do, but we've already settled for not doing this.
>
> I also think that we shouldn't have exceptions, as in practice this means
> we're extending commands anyway. So either, we do it or we don't.

Well, I think we should ask ourselves the following question:

How would a client figure out if the new options are available?

This is the primary reason for not extending existing commands.

Regards,

Anthony Liguori

>