From: Jeff Garzik <jgarzik@pobox.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Roland Dreier <roland@topspin.com>,
"David S. Miller" <davem@redhat.com>,
Alan Shih <alan@storlinksemi.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-net@vger.kernel.org, netdev@oss.sgi.com
Subject: Re: TCP IP Offloading Interface
Date: Sun, 13 Jul 2003 12:58:01 -0400 [thread overview]
Message-ID: <3F118F99.1020104@pobox.com> (raw)
In-Reply-To: <1058113895.554.7.camel@dhcp22.swansea.linux.org.uk>
Alan Cox wrote:
> Finally if you are streaming objects by non mapped references (eg
> sendfile or see LM's paper from long ago on splice()) then the problem
> goes away.
As an aside, I really like sendfile's semantics except for
* People occasionally want to add a receivefile(2). I disagree...
sendfile(2) interface should be really be considered a universal
"fdcopy" interface, regardless of what the 'to' and 'from' file
descriptors are attached to. File to socket. Socket to file. File to
file. socket to socket. All should be supported, even if the fallback
is a stupid (but small!) in-kernel copy loop.
* Copy-until-EOF semantics are either undefined, or, unclear to me
personally.
Jeff
next prev parent reply other threads:[~2003-07-13 16:58 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <ODEIIOAOPGGCDIKEOPILCEMBCMAA.alan@storlinksemi.com>
2003-07-13 7:48 ` TCP IP Offloading Interface David S. Miller
2003-07-13 16:22 ` Roland Dreier
2003-07-13 16:31 ` Alan Cox
2003-07-13 16:49 ` Jeff Garzik
2003-07-13 16:58 ` Jeff Garzik [this message]
2003-07-13 23:02 ` David S. Miller
2003-07-13 23:35 ` Larry McVoy
2003-07-13 23:40 ` David S. Miller
2003-07-13 23:54 ` Larry McVoy
2003-07-13 23:53 ` David S. Miller
2003-07-14 0:22 ` Larry McVoy
2003-07-14 0:24 ` David S. Miller
2003-07-14 0:48 ` Larry McVoy
2003-07-14 0:46 ` Valdis.Kletnieks
2003-07-14 0:42 ` David S. Miller
2003-07-16 2:46 ` Matt Porter
2003-07-14 0:20 ` Roland Dreier
2003-07-14 0:28 ` David S. Miller
2003-07-16 2:37 ` Matt Porter
2003-07-15 5:42 Jordi Ros
2003-07-15 5:51 ` David S. Miller
2003-07-16 5:02 ` jamal
2003-07-16 1:51 ` Roland Dreier
2003-07-15 19:01 ` Ralph Doncaster
2003-07-15 19:36 ` Chris Dukes
-- strict thread matches above, loose matches on Subject: below --
2003-07-15 16:28 David griego
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