Re: Linux Zero Copy

From: David S. Miller (davem@redhat.com)
Date: Thu Aug 14 2003 - 21:08:12 EST


On Thu, 14 Aug 2003 17:59:37 +0100
Jamie Lokier <jamie@xxxxxxxxxxxxx> wrote:

> Nagendra Singh Tomar wrote:
> > Why do we not have a recvfile() also which copies data from the socket
> > directly to a file (page cache).
>
> Mainly because it is much harder to do than sendfile().

More specifically because we have no network devices in
the tree that can even let us take advantage of this.

Once such devices have drivers in the tree, coding up the
infrastructure isn't that hard and we will do it.

It's already been discussed on several lists.
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