lkml.org 
[lkml]   [2003]   [Jan]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: sendfile support in linux
From
Date
On Tue, 2003-01-28 at 01:45, Stanley Yee wrote:
> I'm trying to find out more about sendfile(2). So far, from what I've
> gathered, it sounds like the requirements for it are (please correct me if
> I'm wrong):
>
> 1. A kernel with sendfile support (i.e. 2.4.X)
> 2. A network card capable of doing the TCP checksum in the hardware
> 3. The application must support sendfile

Those are the user requirements yes. Of course the programmer only needs
to assume (1) to start writing applications. Oh and its probably worth
mentioning:

4. You can't do zero-copy receive.

> Do you know what applications support zerocopy (sendfile)? I noticed that a
> zerocopy NFS patch was added to the 2.5.x tree. Does the 2.4.X NFS daemon
> support zerocopy? Does samba support zerocopy and if so what version?

Samba, tux2, apache?, all the big stuff.

Dunno about NFS.

--
// Gianni Tedesco (gianni at scaramanga dot co dot uk)
lynx --source www.scaramanga.co.uk/gianni-at-ecsc.asc | gpg --import
8646BE7D: 6D9F 2287 870E A2C9 8F60 3A3C 91B5 7669 8646 BE7D
[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2005-03-22 13:32    [W:0.065 / U:0.652 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site