[PATCH 2/3] c/r: add checkpoint/restore methods to struct proto_ops

Oren Laadan orenl at librato.com
Mon Aug 17 14:41:34 PDT 2009

Dan Smith wrote:
> OL> I figured that if we called a sock_create() for a type that isn't
> OL> supported by checkpoint/restart, we will catch it down the code by
> OL> testing sock->ops->restore. That way, I don't need to "teach"
> OL> sock_file_restore() about socket types and protocols.
> Okay, yeah I suppose so.  In that case, why even have the check?
> certainly sock_create() checks that somewhere down the line, right?

Hmm... true.  I was distracted by the test in socket() syscalls.
Will remove the test.


> OL> Do you see any reason why it should work ?  The only difference
> OL> (for afunix) between dgram and seqpacket is the requirement that
> OL> the socket be connected - see unix_seqpacket_sendmsg().
> Not for AF_UNIX, no.  I just said I hadn't tested it :)

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