netdev - Re: [PATCHv3] sctp: ABORT if receive, reassmbly, or reodering queue is not empty while closing socket

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Date:	Fri, 08 Jul 2011 09:37:49 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	tgraf@...radead.org
Cc:	vladislav.yasevich@...com, netdev@...r.kernel.org,
	yjwei@...fujitsu.com, sri@...ibm.com, linux-sctp@...r.kernel.org
Subject: Re: [PATCHv3] sctp: ABORT if receive, reassmbly, or reodering
 queue is not empty while closing socket

From: Thomas Graf <tgraf@...radead.org>
Date: Fri, 8 Jul 2011 10:37:46 -0400

> Trigger user ABORT if application closes a socket which has data
> queued on the socket receive queue or chunks waiting on the
> reassembly or ordering queue as this would imply data being lost
> which defeats the point of a graceful shutdown.
> 
> This behavior is already practiced in TCP.
> 
> We do not check the input queue because that would mean to parse
> all chunks on it to look for unacknowledged data which seems too
> much of an effort. Control chunks or duplicated chunks may also
> be in the input queue and should not be stopping a graceful
> shutdown.
> 
> Signed-off-by: Thomas Graf <tgraf@...radead.org>

Vlad please ACK/NACK this updated patch.

Thanks.
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