From: Jeff Garzik <jgarzik@mandrakesoft.com>
To: David Woodhouse <dwmw2@infradead.org>
Cc: "David S. Miller" <davem@redhat.com>,
linux-kernel@vger.kernel.org, todd-lkml@osogrande.com,
hadi@cyberus.ca, tcw@tempest.prismnet.com, netdev@oss.sgi.com,
pfeather@cs.unm.edu
Subject: Re: Early SPECWeb99 results on 2.5.33 with TSO on e1000
Date: Mon, 16 Sep 2002 19:08:15 -0400 [thread overview]
Message-ID: <3D86645F.5030401@mandrakesoft.com> (raw)
In-Reply-To: 12293.1032217399@redhat.com
David Woodhouse wrote:
> davem@redhat.com said:
>
>>> Er, surely the same goes for sys_sendfile? Why have a new system
>>> call rather than just swapping the 'in' and 'out' fds?
>>
>
>>There is an assumption that one is a linear stream of output (in this
>>case a socket) and the other one is a page cache based file.
>
>
> That's an implementation detail and it's not clear we should be exposing it
> to the user. It's not entirely insane to contemplate socket->socket or
> file->file sendfile either -- would we invent new system calls for those
> too? File descriptors are file descriptors.
I was rather disappointed when file->file sendfile was [purposefully?]
broken in 2.5.x...
Jeff
next prev parent reply other threads:[~2002-09-16 23:03 UTC|newest]
Thread overview: 102+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-09-05 18:30 Early SPECWeb99 results on 2.5.33 with TSO on e1000 Troy Wilson
2002-09-05 20:59 ` jamal
2002-09-05 22:11 ` Troy Wilson
2002-09-05 22:39 ` Nivedita Singhvi
2002-09-05 23:01 ` Dave Hansen
2002-09-05 22:48 ` Nivedita Singhvi
2002-09-06 1:47 ` jamal
2002-09-06 3:38 ` Nivedita Singhvi
2002-09-06 3:58 ` David S. Miller
2002-09-06 4:20 ` Nivedita Singhvi
2002-09-06 4:17 ` David S. Miller
2002-09-07 0:05 ` Troy Wilson
2002-09-06 3:56 ` David S. Miller
2002-09-06 3:47 ` David S. Miller
2002-09-06 6:48 ` Martin J. Bligh
2002-09-06 6:51 ` David S. Miller
2002-09-06 7:36 ` Andrew Morton
2002-09-06 7:22 ` David S. Miller
2002-09-06 9:54 ` jamal
2002-09-06 14:29 ` Martin J. Bligh
2002-09-06 15:38 ` Dave Hansen
2002-09-06 16:11 ` Martin J. Bligh
2002-09-06 16:21 ` Nivedita Singhvi
2002-09-06 15:29 ` Dave Hansen
2002-09-06 16:29 ` Martin J. Bligh
2002-09-06 17:36 ` Dave Hansen
2002-09-06 18:26 ` Andi Kleen
2002-09-06 18:31 ` John Levon
2002-09-06 18:33 ` Dave Hansen
2002-09-06 18:36 ` David S. Miller
2002-09-06 18:45 ` Martin J. Bligh
2002-09-06 18:43 ` David S. Miller
2002-09-06 19:19 ` Nivedita Singhvi
2002-09-06 19:21 ` David S. Miller
2002-09-06 19:45 ` Nivedita Singhvi
2002-09-06 19:26 ` Andi Kleen
2002-09-06 19:24 ` David S. Miller
2002-09-06 19:45 ` Martin J. Bligh
2002-09-06 17:26 ` Gerrit Huizenga
2002-09-06 17:37 ` David S. Miller
2002-09-06 18:19 ` Gerrit Huizenga
2002-09-06 18:26 ` Martin J. Bligh
2002-09-06 18:36 ` David S. Miller
2002-09-06 18:51 ` Martin J. Bligh
2002-09-06 18:48 ` David S. Miller
2002-09-06 19:05 ` Gerrit Huizenga
2002-09-06 19:01 ` David S. Miller
2002-09-06 20:29 ` Alan Cox
2002-09-06 18:34 ` David S. Miller
2002-09-06 18:57 ` Gerrit Huizenga
2002-09-06 18:58 ` David S. Miller
2002-09-06 19:52 ` Gerrit Huizenga
2002-09-06 19:49 ` David S. Miller
2002-09-06 20:03 ` Gerrit Huizenga
2002-09-06 23:48 ` Troy Wilson
2002-09-11 9:11 ` Eric W. Biederman
2002-09-11 14:10 ` Martin J. Bligh
2002-09-11 15:06 ` Eric W. Biederman
2002-09-11 15:15 ` David S. Miller
2002-09-11 15:31 ` Eric W. Biederman
2002-09-11 15:27 ` Martin J. Bligh
2002-09-12 7:28 ` Todd Underwood
2002-09-12 12:30 ` jamal
2002-09-12 13:57 ` Todd Underwood
2002-09-12 14:11 ` Alan Cox
2002-09-12 14:41 ` todd-lkml
2002-09-12 23:12 ` David S. Miller
2002-09-13 21:59 ` todd-lkml
2002-09-13 22:04 ` David S. Miller
2002-09-15 20:16 ` jamal
2002-09-16 4:23 ` David S. Miller
2002-09-16 14:16 ` todd-lkml
2002-09-16 19:52 ` David S. Miller
2002-09-16 21:32 ` todd-lkml
2002-09-16 21:29 ` David S. Miller
2002-09-16 22:53 ` David Woodhouse
2002-09-16 22:46 ` David S. Miller
2002-09-16 23:03 ` David Woodhouse
2002-09-16 23:08 ` Jeff Garzik [this message]
2002-09-16 23:02 ` David S. Miller
2002-09-16 23:48 ` Jeff Garzik
2002-09-16 23:43 ` David S. Miller
2002-09-17 0:01 ` Jeff Garzik
2002-09-17 10:31 ` jamal
2002-09-13 22:12 ` Nivedita Singhvi
2002-09-12 17:18 ` Nivedita Singhvi
2002-09-06 23:56 ` Troy Wilson
2002-09-06 23:52 ` David S. Miller
2002-09-07 0:18 ` Nivedita Singhvi
2002-09-07 0:27 ` Troy Wilson
-- strict thread matches above, loose matches on Subject: below --
2002-09-05 20:47 Feldman, Scott
2002-09-06 11:44 Robert Olsson
2002-09-06 14:37 ` Martin J. Bligh
2002-09-06 15:38 ` Robert Olsson
2002-09-06 18:35 Manfred Spraul
2002-09-06 18:38 ` David S. Miller
2002-09-06 19:40 ` Manfred Spraul
2002-09-06 19:34 ` David S. Miller
2002-09-10 12:02 ` Robert Olsson
2002-09-10 16:55 ` Manfred Spraul
2002-09-11 7:46 ` Robert Olsson
2002-09-10 14:59 Mala Anand
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