linux-kernel - Using sendfile() between sockets

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Message-ID: <522CE948.5050800@gmail.com>
Date:	Sun, 08 Sep 2013 14:16:56 -0700
From:	mark zhu <mhz.dybf@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: Using sendfile() between sockets

Hi there,

Two splice() system calls are needed for splicing 2 sockets.
It is costly with respect to context switching. What would be
the reason for_not_  letting sendfile() support socket-to-socket
splicing if the offset argument is ignored?

Thanks,
-Mark

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