Re: [Qemu-devel] [PATCH 1/2 v16] fsdev: add IO throttle support to fsdev devices

[Pradeep Jagadeesh]

On 2/6/2017 8:36 PM, Eric Blake wrote:
> On 02/03/2017 05:57 AM, Pradeep Jagadeesh wrote:
> > This patchset adds the throttle support for the 9p-local driver.
> > For now this functionality can be enabled only through qemu cli options.
> > QMP interface and support to other drivers need further extensions.
>
> This part is a bit scary - if 2.9 is released with just the cli option
> and not the QMP interface, then how does someone like libvirt introspect
> whether the feature is available for use?
I do have plans to extend the qmp interface for this feature.
Already started looking into it.Do not know, I can push it for 2.9. 
Because I am busy with some other work.
> Please make sure we don't reach 2.9 with only a half-baked feature;
> whether that means finishing the QMP work or temporarily disabling the
> cli additions until a later release can finish the work.