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SubjectRe: Zerocopy NBD

On Wed, 30 May 2001, Steve Whitehouse wrote:

> Hi,
> Attached is a patch I came up with recently to do add zerocopy support to
> NBD for writes. I'm not intending that this should go into the kernel
> before at least 2.5, I'm just sending it here in case it is useful to anyone.
> I wrote it is a simple way to experiment with the new zerocopy code
> rather than in a bid to improve the efficiency NBD dramatically. I'm
> currently preparing a paper for the UKUUG Linux Conference which will
> present some results obtained with the patch and discuss it in more
> detail. The paper will be available on the web too nearer the time.


Are you seeing performance improvements with the patch ?

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