netdev - Re: [PATCH 5/5] c/r: Add AF

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Message-ID: <87ws5jlidl.fsf@caffeine.danplanet.com>
Date:	Tue, 04 Aug 2009 08:16:06 -0700
From:	Dan Smith <danms@...ibm.com>
To:	Oren Laadan <orenl@...rato.com>
Cc:	containers@...ts.osdl.org, netdev@...r.kernel.org,
	Alexey Dobriyan <adobriyan@...il.com>
Subject: Re: [PATCH 5/5] c/r: Add AF_UNIX support (v6)

OL> Does this mean that a situation of A->B and B->C is valid only as
OL> long as A->B is done first, otherwise A->B will fail because B
OL> will already be connected to C ?

Correct.

OL> Then, the other problem is to restore correctly you need to mimic
OL> the behavior of sendto() because of the way the skb references the
OL> original socket for the write-buf accounting :(

OL> In turn, this means that during checkpoint you need to record the
OL> _origin_ of each buffer in the queue of afunix dgram sockets :((

Or return EBUSY when there are skb's that are outstanding from before
the re-connect, right?

-- 
Dan Smith
IBM Linux Technology Center
email: danms@...ibm.com
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