Messages in this thread | | | Subject | Re: sendfile support in linux | From | Gianni Tedesco <> | Date | 28 Jan 2003 09:32:05 +0000 |
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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] | |