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Message-ID: <20070531122723.GT32105@kernel.dk> Date: Thu, 31 May 2007 14:27:23 +0200 From: Jens Axboe <jens.axboe@...cle.com> To: Neil Brown <neilb@...e.de> Cc: Christoph Hellwig <hch@...radead.org>, linux-kernel@...r.kernel.org, cotte@...ibm.com, hugh@...itas.com, zanussi@...ibm.com, Linus Torvalds <torvalds@...l.org> Subject: Re: [PATCH] sendfile removal On Thu, May 31 2007, Neil Brown wrote: > On Thursday May 31, jens.axboe@...cle.com 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. Woo, thanks Neil :-) -- Jens Axboe - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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