linux-kernel - Re: [-mm patch] fix the DLM dependencies, part 2

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Message-ID: <20061115102351.GR22565@stusta.de>
Date:	Wed, 15 Nov 2006 11:23:51 +0100
From:	Adrian Bunk <bunk@...sta.de>
To:	Patrick Caulfield <pcaulfie@...hat.com>
Cc:	Andrew Morton <akpm@...l.org>,
	Steven Whitehouse <swhiteho@...hat.com>, teigland@...hat.com,
	linux-kernel@...r.kernel.org, cluster-devel@...hat.com
Subject: Re: [-mm patch] fix the DLM dependencies, part 2

On Wed, Nov 15, 2006 at 10:11:35AM +0000, Patrick Caulfield wrote:
> Adrian Bunk wrote:
> > On Tue, Nov 14, 2006 at 07:33:24PM +0100, Adrian Bunk wrote:
> >> On Tue, Nov 14, 2006 at 01:41:25AM -0800, Andrew Morton wrote:
> >>> ...
> >>> - A nasty Kconfig warning comes out during the build.  It's due to
> >>>   git-gfs2-nmw.patch.
> >>> ...
> >> So let's fix it.  ;-)
> >> ...
> > 
> > And let's also fix another bug...
> > 
> > 
> > <--  snip  -->
> > 
> > 
> > IPV6=m, DLM=m, DLM_SCTP=y mustn't result in IP_SCTP=y.
> > 
> > Signed-off-by: Adrian Bunk <bunk@...sta.de>
> > 
> > --- linux-2.6.19-rc5-mm2/fs/dlm/Kconfig.old	2006-11-14 22:25:01.000000000 +0100
> > +++ linux-2.6.19-rc5-mm2/fs/dlm/Kconfig	2006-11-14 22:25:19.000000000 +0100
> > @@ -5,6 +5,7 @@ config DLM
> >  	tristate "Distributed Lock Manager (DLM)"
> >  	depends on IPV6 || IPV6=n
> >  	select CONFIGFS_FS
> > +	select IP_SCTP if DLM_SCTP
> >  	help
> >  	A general purpose distributed lock manager for kernel or userspace
> >  	applications.
> > @@ -23,7 +24,6 @@ config DLM_TCP
> >  
> >  config DLM_SCTP
> >  	bool "SCTP"
> > -	select IP_SCTP
> >  
> >  endchoice
> 
> Thanks Adrian. I need to read the kconfig docs a little more closely :)
> 
> Incidentally, I think the 'depends on IPV6 || IPV6=n' can go too; it's in a patch I sent to Steve and it's basically just a line
> copied from SCTP which is obsoleted by these other changes and the addition of the TCP transport.

As long as you select IP_SCTP, the "depends on IPV6 || IPV6=n" can't go:
Otherwise, the illegal configuration DLM=y, IP_SCTP=y, IPV6=m would 
become possible.

> patrick

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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