netdev - RE: [PATCH net-next 04/14] tipc: add sock dump to new netlink api

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Date:	Mon, 15 Sep 2014 16:35:34 +0000
From:	Jon Maloy <jon.maloy@...csson.com>
To:	David Miller <davem@...emloft.net>,
	Richard Alpe <richard.alpe@...csson.com>
CC:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"tipc-discussion@...ts.sourceforge.net" 
	<tipc-discussion@...ts.sourceforge.net>
Subject: RE: [PATCH net-next 04/14] tipc: add sock dump to new netlink api



> -----Original Message-----
> From: netdev-owner@...r.kernel.org [mailto:netdev-
> owner@...r.kernel.org] On Behalf Of David Miller
> Sent: September-15-14 11:39 AM
> To: Richard Alpe
> Cc: netdev@...r.kernel.org; tipc-discussion@...ts.sourceforge.net
> Subject: Re: [PATCH net-next 04/14] tipc: add sock dump to new netlink api
> 
> From: Richard Alpe <richard.alpe@...csson.com>
> Date: Mon, 15 Sep 2014 09:55:24 +0200
> 
> > The amount of publications a socket can have is large (~65 000). Do
> > you still think this a viable solution?
> 
> Then maybe you want to have a completely separate netlink operation to
> dump the publications, the request would provide a key saying which
> socket's publications to dump.

A compromise could be to list a fix maximum number (100?) of publications
 that cover all "normal" cases, and return a hint indicating that there is
more if this was not enough. For 99% of the sockets this would be enough, 
and for the remaining ones the tool would have to use the second operation
to make the listing complete.

///jon

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