Subject: Re: [patch 0/1][RFC] add a private field to the sock structure

From: Arnaldo Carvalho de Melo <[email-masked]>
Date: Wed, 29 Aug 2007 16:18:31 -0300

Em Wed, Aug 29, 2007 at 11:23:16AM -0700, David Miller escreveu:
> From: [email-masked]
> Date: Wed, 29 Aug 2007 18:41:14 +0200
> 
> > When a socket is created it is sometime useful to store a specific information
> > for this socket.
> >  
> > This information can be for examples: 
> > 	* a creation time
> > 	* a pid
> > 	* a uid/gid
> > 	* a container identifier
> > 	* a pointer to a more specific structure
> > 	* ...
> > 
> > The following patch is a proposition to add a private anonymous pointer
> > field to the common part of the sock structure.
> 
> We got rid of the private field a long time ago because not only
> is it not needed, it tends to get abused.

Nah, it still there, sk_protinfo, its just ax25 that uses it
(nudge(Ralf)). How do we state that a struct field is deprecated and
will be removed soon(tm)?

There is another, sk_user_data, that is used only by the rpc, pppol2tp,
iscsi, ncpfs, smbfs and dlm guys, see? We need a deprecate flag for
sk_protinfo, if not people will use it! :-)

- Arnaldo