Re: [Qemu-devel] Re: [PATCH v3 5/5] qed: Consistency check support

[Avi Kivity]

 On 10/28/2010 12:51 PM, Stefan Hajnoczi wrote:
> >
> >  Opening the file read-only first and reopening it read-write when the
> >  migration has completed would be much better. No image format driver
> >  would have to be changed for that.
>
> I agree.  I'm not sure whether NFS guarantees we see the latest data
> when reopening read-write (cached pages will be left on the
> destination host from the initial read-only access).

AFAICT the re-open has to re-validate the metadata.  If ctime has 
changed since the previous stat, the client has to drop local caches.

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error compiling committee.c: too many arguments to function