linux-kernel - Re: why usr/include/linux/if

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Message-ID: <20090121053310.GA26395@uranus.ravnborg.org>
Date:	Wed, 21 Jan 2009 06:33:10 +0100
From:	Sam Ravnborg <sam@...nborg.org>
To:	Jaswinder Singh Rajput <jaswinderlinux@...il.com>
Cc:	Krzysztof Halasa <khc@...waw.pl>,
	Jaswinder Singh Rajput <jaswinder@...nel.org>,
	Arnd Bergmann <arnd@...db.de>, Ingo Molnar <mingo@...e.hu>,
	netdev@...r.kernel.org, davem@...emloft.net,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: why usr/include/linux/if_frad.h is required

On Wed, Jan 21, 2009 at 10:20:17AM +0530, Jaswinder Singh Rajput wrote:
> On Wed, Jan 21, 2009 at 6:36 AM, Krzysztof Halasa <khc@...waw.pl> wrote:
> > Jaswinder Singh Rajput <jaswinder@...nel.org> writes:
> >
> >> usr/include/linux/if_frad.h is covered with CONFIG_DLCI from many years
> >> and no body is complaining about it so it means no body is using it.
> >>
> >> So should we need to drop #if / #endif pair or the whole file from
> >> userspace.
> >
> > I think the file. "Empty file exported to userspace", long unused. We
> > can also have it back there, and it being not exported is an indicator
> > that it's not used. I guess the #ifdef __KERNEL__ can be removed, too.
> 
> I will definately define #ifdef __KERNEL__ but I am also curious after
> defining it there is no point of making empty
> usr/include/linux/if_frad.h

Googling a bit did not turn up _any_ non-kernel hits that has relevance.
So based on the information given in this thread I strongly
suggest to drop the export of this header.

	Sam
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