From: Jens Axboe <jens.axboe@oracle.com>
To: Neil Brown <neilb@suse.de>
Cc: Christoph Hellwig <hch@infradead.org>,
linux-kernel@vger.kernel.org, cotte@de.ibm.com, hugh@veritas.com,
zanussi@us.ibm.com, Linus Torvalds <torvalds@osdl.org>
Subject: Re: [PATCH] sendfile removal
Date: Thu, 31 May 2007 14:27:23 +0200 [thread overview]
Message-ID: <20070531122723.GT32105@kernel.dk> (raw)
In-Reply-To: <18014.48878.442628.260297@notabene.brown>
On Thu, May 31 2007, Neil Brown wrote:
> On Thursday May 31, jens.axboe@oracle.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
next prev parent reply other threads:[~2007-05-31 12:28 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-31 10:33 [PATCH] sendfile removal Jens Axboe
2007-05-31 10:47 ` Jens Axboe
2007-05-31 10:47 ` Eric Dumazet
2007-05-31 10:53 ` Jens Axboe
2007-06-01 4:09 ` H. Peter Anvin
2007-06-01 5:41 ` Jens Axboe
2007-06-01 5:50 ` H. Peter Anvin
2007-06-01 7:22 ` Eric Dumazet
2007-06-01 15:52 ` H. Peter Anvin
2007-06-01 16:18 ` Linus Torvalds
2007-06-01 16:47 ` Eric Dumazet
2007-06-01 16:53 ` H. Peter Anvin
2007-06-02 15:02 ` Jens Axboe
2007-06-02 15:01 ` Jens Axboe
2007-06-02 15:40 ` Linus Torvalds
2007-06-02 16:35 ` Jens Axboe
[not found] ` <20070603130507.GA11170@mail.ustc.edu.cn>
2007-06-03 13:05 ` Fengguang Wu
[not found] ` <20070603142931.GA5916@mail.ustc.edu.cn>
2007-06-03 14:29 ` Fengguang Wu
[not found] ` <20070604004647.GA8076@mail.ustc.edu.cn>
2007-06-04 0:46 ` Fengguang Wu
2007-06-04 8:05 ` Jens Axboe
[not found] ` <20070604112214.GA7457@mail.ustc.edu.cn>
2007-06-04 11:22 ` Fengguang Wu
2007-06-01 16:22 ` Pádraig Brady
2007-05-31 10:55 ` Christoph Hellwig
2007-05-31 11:05 ` Jens Axboe
2007-05-31 12:26 ` Neil Brown
2007-05-31 12:27 ` Jens Axboe [this message]
2007-06-01 2:44 ` [PATCH] sendfile removal (nfsd update) Neil Brown
2007-06-01 5:44 ` Jens Axboe
2007-06-01 8:01 ` Jens Axboe
2007-06-01 8:15 ` [PATCH] sendfile removal Jens Axboe
2007-05-31 11:04 ` Carsten Otte
2007-05-31 11:06 ` Jens Axboe
2007-05-31 15:33 ` Tom Zanussi
2007-05-31 19:01 ` Jens Axboe
2007-05-31 17:06 ` Hugh Dickins
2007-05-31 17:31 ` Christoph Hellwig
2007-05-31 19:03 ` Jens Axboe
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