netdev - Re: [PATCH 6/6] unix: Support peeking offset for stream sockets

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Message-ID: <1329846679.18384.27.camel@edumazet-laptop>
Date:	Tue, 21 Feb 2012 18:51:19 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Pavel Emelyanov <xemul@...allels.com>
Cc:	David Miller <davem@...emloft.net>,
	Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: [PATCH 6/6] unix: Support peeking offset for stream sockets

Le mardi 21 février 2012 à 21:32 +0400, Pavel Emelyanov a écrit :
> The same here -- we can protect the sk_peek_off manipulations with
> the unix_sk->readlock mutex.
> 
> The peeking of data from a stream socket is done in the datagram style,
> i.e. even if there's enough room for more data in the user buffer, only
> the head skb's data is copied in there. This feature is preserved when
> peeking data from a given offset -- the data is read till the nearest
> skb's boundary.
> 
> Signed-off-by: Pavel Emelyanov <xemul@...allels.com>
> 
> ---

Acked-by: Eric Dumazet <eric.dumazet@...il.com>



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