Re: [PATCH] sendfile removal

[Neil Brown]

On Thursday May 31, jens.axboe@xxxxxxxxxx wrote:
> On Thu, May 31 2007, Christoph Hellwig wrote:
> > On Thu, May 31, 2007 at 12:33:16PM +0200, Jens Axboe wrote:
> > > - nfds: The ->rq_sendfile_ok optimization is gone for now. I can't
> > >   determine the value of it, but I'm assuming it's there for a reason.
> > >   Any chance this can be converted to splice, or use something else than
> > >   ->sendfile()? CC'ed Neil.
> > 
> > sendfile useage in nfsd avoids a data copy and allows to use checksum
> > offloading.  it's quite important for nfs server workloads.
> 
> OK, I hope Neil can provide some input on how to convert it. Of course
> I'm just fishing for Neil to actually do that work :-)

Well, seeing you did that zero-length-barrier thing for me, how can I
complain :-)

I'll have a look in the morning.

NeilBrown
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