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SubjectRe: [PATCH v4 00/12] virtio: s4 support
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On Wed, 7 Dec 2011 13:14:56 +0530, Amit Shah <amit.shah@redhat.com> wrote:
> On (Wed) 07 Dec 2011 [17:54:29], Rusty Russell wrote:
> > I figure there's a reason, but it seems a bit weird :)
>
> Well, there is one reason right now: migrating storage along with
> VMs. The guest needs to sync all data to the disk before the target
> host accesses the image file.

I don't see why. Sure, if qemu (or whatever) is doing buffering, it
needs to flush that. It doesn't, last I looked, it just maps to
read/write.

What am I missing?

Thanks,
Rusty.


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