Re: [Qemu-devel] RFC: moving fsfreeze support from the userland guest agent to the guest kernel

[Luiz Capitulino]

On Sun, 07 Aug 2011 21:28:17 +0300
Ronen Hod <address@hidden> wrote:

> Well, we want to support Microsoft's VSS, and that requires a guest 
> agent that communicates with all the "writers" (applications), waiting 
> for them to flush their app data in order to generate a consistent 
> app-level snapshot. The VSS platform does most of the work.
> Still, at the bottom line, the agent's role is only to find the right 
> moment in time. This moment can be relayed back to libvirt, and from 
> there do it according to your suggestion, so that the guest agent does 
> not do the freeze, and it is actually not a mandatory component.

I think this discussion has reached the point where patches will speak
louder than words.