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SubjectRe: [PATCH 1/3] nbd: support FLUSH requests
On Tue, 12 Feb 2013 19:06:09 +0100
Paolo Bonzini <pbonzini@redhat.com> wrote:

> Il 12/02/2013 18:37, Alex Bligh ha scritto:
> > For my education, why remove the FUA stuff?
>
> Because I had no way to test it.
>
> >>> > > Hmmm... the underlying storage could be md/dm RAIDs in which case FUA
> >>> > > should be cheaper than FLUSH.
> >> >
> >> > If someone ever wrote a virtio-blk backend that sits directly ontop
> >> > of the Linux block layer that would be true.
> > In this case we don't know what the backend is sitting on top of
> > a-priori. It might be the current nbd server code, but it might
> > not be.
>
> Do you know of any other NBD server than the "official" one and qemu-nbd?
>

Obviously the changelog was inadequate. Please send along a new one
which fully describes the reasons for this change.



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