netdev - Re: [PATCH v2 net-next 2/4] net: af_unix: implement stream sendpage support

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Message-ID: <1432217514.4060.93.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Thu, 21 May 2015 07:11:54 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Hannes Frederic Sowa <hannes@...essinduktion.org>
Cc:	netdev@...r.kernel.org, edumazet@...gle.com, cwang@...pensource.com
Subject: Re: [PATCH v2 net-next 2/4] net: af_unix: implement stream sendpage
 support

On Thu, 2015-05-21 at 11:39 +0200, Hannes Frederic Sowa wrote:
> This patch implements sendpage support for AF_UNIX SOCK_STREAM
> sockets. This is also required for a complete splice implementation.
> 
> The implementation is a bit tricky because we append to already existing
> skbs and so have to hold unix_sk->readlock to protect the reading side
> from either advancing UNIXCB.consumed or freeing the skb at the socket
> receive tail.
> 
> Signed-off-by: Hannes Frederic Sowa <hannes@...essinduktion.org>
> ---

Acked-by: Eric Dumazet <edumazet@...gle.com>



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