Re: [Qemu-block] [Qemu-devel] [PATCH v2 02/11] blockjob: centralize QMP event emissions

[John Snow]

On 10/06/2016 02:16 PM, Eric Blake wrote:
> On 10/06/2016 11:57 AM, John Snow wrote:
> > Mirrors "internal bitmaps," too.
> >
> > I can rig it such that if a job has no ID, it will cease to show up via
> > query and no longer emit events.
> >
> > Downside: Whether or not a device is busy or can accept another job
> > becomes opaque to the management layer.
>
> A bit, but isn't the point of this exercise to ultimately reach the
> point where we can support multiple simultaneous jobs, so long as
> op-blockers prove the jobs don't collide?

Yes, exactly. It's only a temporary drawback. If libvirt can cope for 
now, I am happy.