Re: O_DIRECT sockets? (was [RESEND] tuning linux for high network performance?)

• Next message: Jean Tourrilhes: "Re: feature request - why not make netif_rx() a pointer?"
• Previous message: Dan Kegel: "Re: epoll (was Re: [PATCH] async poll for 2.5)"
• In reply to: Roy Sigurd Karlsbakk: "O_DIRECT sockets? (was [RESEND] tuning linux for high network performance?)"
• Next in thread: Roy Sigurd Karlsbakk: "Re: [RESEND] tuning linux for high network performance?"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

Roy Sigurd Karlsbakk wrote:

> I'm doing O_DIRECT read (from disk), so it needs to be user -> kernel, then.
>
> any chance of using O_DIRECT to the socket?

Hmm, I'm still not clear on why you cannot use sendfile()?
I was not aware of any upper limit to the file size in order
for sendfile() to be used? From what little I know, this
is exactly the kind of situation that sendfile was intended
to benefit.

thanks,
Nivedita
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

• Next message: Jean Tourrilhes: "Re: feature request - why not make netif_rx() a pointer?"
• Previous message: Dan Kegel: "Re: epoll (was Re: [PATCH] async poll for 2.5)"
• In reply to: Roy Sigurd Karlsbakk: "O_DIRECT sockets? (was [RESEND] tuning linux for high network performance?)"
• Next in thread: Roy Sigurd Karlsbakk: "Re: [RESEND] tuning linux for high network performance?"
• Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

This archive was generated by hypermail 2b29 : Wed Oct 23 2002 - 22:01:05 EST