netdev - Re: [PATCH] sendfile() and UDP socket

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Message-Id: <20080921.220605.129235191.davem@davemloft.net>
Date:	Sun, 21 Sep 2008 22:06:05 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	johnpol@....mipt.ru
Cc:	johaahn@...il.com, netdev@...r.kernel.org
Subject: Re: [PATCH] sendfile() and UDP socket

From: Evgeniy Polyakov <johnpol@....mipt.ru>
Date: Mon, 22 Sep 2008 08:40:52 +0400

> Why sendfile() should be completely different compared to stream case?

Because datagram sockets are completely different from stream sockets.

You program them differently, segmentation is made by the socket user
not within by the protocol itself.

sendfile() should behave in a way congruent to the other data transfer
APIs of the BSD socket layer.
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