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Date: Tue, 07 Oct 2008 22:40:18 +0200
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Subject: Re: [Qemu-devel] [5323] Implement an fd pool to get real AIO with
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To: qemu-devel@nongnu.org

Anthony Liguori wrote:
>> Are there plans to support vectored block requests with the thread pool
>> implementation?
>>   
> 
> Yes, that's the primary reason for doing a new thread pool
> implementation.

Cool.

> Of course, we need a zero-copy DMA API before such a
> thing would make sense.

Hmm, quick check of the IDE code indeed shows a copy happening there.
Why is it needed?  My xen disk backend doesn't copy data.  Does that
mean might have done something wrong?  Does the virtio backend copy data
too?

Disclaimer: I don't know much about ide dma ...

cheers,
  Gerd