linux-kernel - Re: [-mm patch] fix GFS2 circular dependency

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Date:	Mon, 29 Jan 2007 09:12:07 +0000
From:	Steven Whitehouse <swhiteho@...hat.com>
To:	Adrian Bunk <bunk@...sta.de>
Cc:	Jiri Slaby <jirislaby@...il.com>, Andrew Morton <akpm@...l.org>,
	linux-kernel@...r.kernel.org,
	Randy Dunlap <randy.dunlap@...cle.com>,
	cluster-devel@...hat.com
Subject: Re: [-mm patch] fix GFS2 circular dependency

Hi,

Now applied to the GFS2 -nmw git tree. Thanks,

Steve.

On Sun, 2007-01-28 at 17:19 +0100, Adrian Bunk wrote:
> On Sun, Jan 28, 2007 at 11:08:18AM +0100, Jiri Slaby wrote:
> > Andrew Morton napsal(a):
> > >Temporarily at
> > >
> > >	http://userweb.kernel.org/~akpm/2.6.20-rc6-mm1/
> > 
> > Unable to select IPV6. Menuconfig doesn't offer it when INET is selected. 
> > When it's not it appears in the menu, but after state change it gets away. 
> > The same behaviour in xconfig, gconfig.
> > 
> > $ mkdir ../a/tst
> > $ make O=../a/tst menuconfig
> >   HOSTCC  scripts/basic/fixdep
> > [...]
> >   HOSTLD  scripts/kconfig/mconf
> > scripts/kconfig/mconf arch/i386/Kconfig
> > Warning! Found recursive dependency: INET GFS2_FS_LOCKING_DLM SYSFS 
> > OCFS2_FS INET
> > 
> > Maybe this is the problem?
> 
> Yes, patch below.
> 
> > regards,
> 
> cu
> Adrian
> 
> 
> <--  snip  -->
> 
> 
> This patch fixes a circular dependency by letting GFS2_FS_LOCKING_DLM 
> and DLM depend on instead of select SYSFS.
> 
> Since SYSFS depends on EMBEDDED this change shouldn't cause any problems 
> for users.
> 
> Signed-off-by: Adrian Bunk <bunk@...sta.de>
> 
> ---
> 
>  fs/dlm/Kconfig  |    3 +--
>  fs/gfs2/Kconfig |    3 +--
>  2 files changed, 2 insertions(+), 4 deletions(-)
> 
> --- linux-2.6.20-rc6-mm1/fs/gfs2/Kconfig.old	2007-01-28 16:44:17.000000000 +0100
> +++ linux-2.6.20-rc6-mm1/fs/gfs2/Kconfig	2007-01-28 16:44:59.000000000 +0100
> @@ -34,11 +34,10 @@
>  
>  config GFS2_FS_LOCKING_DLM
>  	tristate "GFS2 DLM locking module"
> -	depends on GFS2_FS && NET && INET && (IPV6 || IPV6=n)
> +	depends on GFS2_FS && SYSFS && NET && INET && (IPV6 || IPV6=n)
>  	select IP_SCTP if DLM_SCTP
>  	select CONFIGFS_FS
>  	select DLM
> -	select SYSFS
>  	help
>  	Multiple node locking module for GFS2
>  
> --- linux-2.6.20-rc6-mm1/fs/dlm/Kconfig.old	2007-01-28 16:56:57.000000000 +0100
> +++ linux-2.6.20-rc6-mm1/fs/dlm/Kconfig	2007-01-28 16:57:16.000000000 +0100
> @@ -3,9 +3,8 @@
>  
>  config DLM
>  	tristate "Distributed Lock Manager (DLM)"
> -	depends on IPV6 || IPV6=n
> +	depends on SYSFS && (IPV6 || IPV6=n)
>  	select CONFIGFS_FS
> -	select SYSFS
>  	select IP_SCTP if DLM_SCTP
>  	help
>  	A general purpose distributed lock manager for kernel or userspace
> 

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