From: Jamie Lokier <lk@tantalophile.demon.co.uk>
To: Ingo Molnar <mingo@elte.hu>
Cc: dean gaudet <dean-list-linux-kernel@arctic.org>,
Rick Jones <raj@cup.hp.com>,
Linus Torvalds <torvalds@transmeta.com>,
Linux Kernel List <linux-kernel@vger.kernel.org>
Subject: Re: [Fwd: [Fwd: Is sendfile all that sexy? (fwd)]]
Date: Thu, 25 Jan 2001 18:58:16 +0100 [thread overview]
Message-ID: <20010125185816.B5109@pcep-jamie.cern.ch> (raw)
In-Reply-To: <Pine.LNX.4.30.0101171231420.16292-100000@twinlark.arctic.org> <Pine.LNX.4.30.0101181345020.823-100000@elte.hu>
In-Reply-To: <Pine.LNX.4.30.0101181345020.823-100000@elte.hu>; from mingo@elte.hu on Thu, Jan 18, 2001 at 01:56:55PM +0100
Ingo Molnar wrote:
> this is what TUX uses. When a eg. static HTTP request arrives it sends
> reply headers shortly after having checked file permissions and stuff (but
> the file is not yet sent), with MSG_MORE set. Then it sends the file, and
> sendfile() keeps MSG_MORE set right until the end of the request, when it
> clears it for the last fragment so the last partial packet gets flushed to
> the network. In fact there is one more optimization here, if the request
> is not keepalive then TUX still kees MSG_MORE set, and closes the socket -
> which will implicitly flush the output queue anyway and send any partial
> packet, but will also have the FIN packet merged with the last outgoing
> packet.
... is it possible to do control the MSG_MORE flag for sendfile's final
packet from user space, or do you have to use TCP_CORK to get the control?
-- Jamie
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next prev parent reply other threads:[~2001-01-25 18:02 UTC|newest]
Thread overview: 84+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <3A65E825.FFEB194@cup.hp.com>
2001-01-17 19:27 ` Linus Torvalds
2001-01-17 20:03 ` Rick Jones
2001-01-17 20:38 ` dean gaudet
2001-01-17 20:57 ` Rick Jones
2001-01-18 13:06 ` Ingo Molnar
2001-01-18 14:57 ` Andi Kleen
2001-01-18 18:24 ` Rick Jones
2001-01-19 2:46 ` dean gaudet
2001-01-19 3:03 ` dean gaudet
2001-01-19 19:07 ` Rick Jones
2001-01-19 20:03 ` kuznet
2001-01-19 21:20 ` Rick Jones
2001-01-20 18:03 ` kuznet
2001-01-22 18:44 ` Rick Jones
2001-01-20 14:56 ` Kai Henningsen
2001-01-23 7:20 ` dean gaudet
2001-01-20 23:09 ` Lincoln Dale
2001-01-20 23:27 ` James Sutherland
2001-01-21 0:02 ` Chris Wedgwood
2001-01-18 12:56 ` Ingo Molnar
2001-01-25 17:58 ` Jamie Lokier [this message]
2001-01-17 21:22 ` Linus Torvalds
2001-01-17 22:17 ` Rick Jones
2001-01-17 22:53 ` Linus Torvalds
2001-01-17 22:44 ` Jonathan Walther
2001-01-18 13:18 ` Ingo Molnar
2001-01-18 16:49 ` Linus Torvalds
2001-01-18 17:32 ` Ingo Molnar
2001-01-18 17:49 ` Zach Brown
2001-01-19 3:16 ` dean gaudet
2001-01-19 3:56 ` David Ford
2001-01-18 18:29 ` Rick Jones
2001-01-18 18:50 ` Linus Torvalds
2001-01-18 19:38 ` Andrea Arcangeli
2001-01-18 19:43 ` Ingo Molnar
2001-01-18 19:52 ` Linus Torvalds
2001-01-18 20:11 ` kuznet
2001-01-18 20:33 ` Ingo Molnar
2001-01-18 21:14 ` Andrea Arcangeli
2001-01-18 20:24 ` Andrea Arcangeli
2001-01-18 20:37 ` kuznet
2001-01-18 21:04 ` Andrea Arcangeli
2001-01-19 0:27 ` Olivier Galibert
2001-01-19 0:59 ` Rick Jones
2001-01-19 17:52 ` kuznet
2001-01-19 20:54 ` Andrea Arcangeli
2001-01-18 20:44 ` Ingo Molnar
2001-01-18 21:54 ` Andrea Arcangeli
2001-01-18 21:57 ` Ingo Molnar
2001-01-18 22:16 ` Andrea Arcangeli
2001-01-18 22:18 ` Ingo Molnar
2001-01-19 15:25 ` Andrea Arcangeli
2001-01-19 18:18 ` kuznet
2001-01-19 21:13 ` Andrea Arcangeli
2001-01-20 17:28 ` kuznet
2001-01-20 18:14 ` Abramo Bagnara
2001-01-20 18:23 ` Andrea Arcangeli
2001-01-20 19:05 ` kuznet
2001-01-20 19:30 ` Andrea Arcangeli
2001-01-20 19:39 ` Linus Torvalds
2001-01-20 20:22 ` kuznet
2001-01-20 21:20 ` Andrea Arcangeli
2001-01-20 20:56 ` Andrea Arcangeli
2001-01-21 18:37 ` kuznet
2001-01-20 19:39 ` kuznet
2001-01-20 21:05 ` Andrea Arcangeli
2001-01-20 21:31 ` Guus Sliepen
2001-01-18 22:20 ` Ingo Molnar
2001-01-18 19:45 ` Linus Torvalds
2001-01-18 19:59 ` kuznet
2001-01-18 20:44 ` Andrea Arcangeli
2001-01-19 3:25 ` dean gaudet
2001-01-19 3:35 ` dean gaudet
2001-01-18 9:34 ` Andi Kleen
2001-01-18 18:20 ` Rick Jones
2001-01-18 19:45 ` Andi Kleen
2001-01-18 20:30 ` kuznet
2001-01-18 20:50 ` Ingo Molnar
2001-01-18 22:49 ` Rick Jones
2001-01-18 13:29 ` Ingo Molnar
2001-01-18 16:51 ` Linus Torvalds
2001-01-18 17:04 ` Ingo Molnar
2001-01-17 21:51 Dan Kegel
2001-01-24 0:19 Cacophonix
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