linux-kernel - Re: [2.6.22 regression fix] DLM must depend on SYSFS

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Date:	Sat, 7 Jul 2007 23:11:10 +0200
From:	Adrian Bunk <bunk@...sta.de>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Michal Piotrowski <michal.k.k.piotrowski@...il.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Patrick Caulfield <pcaulfie@...hat.com>,
	Steven Whitehouse <swhiteho@...hat.com>, teigland@...hat.com,
	cluster-devel@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: [2.6.22 regression fix] DLM must depend on SYSFS

On Sat, Jul 07, 2007 at 01:51:55PM -0700, Linus Torvalds wrote:
> 
> 
> On Sat, 7 Jul 2007, Adrian Bunk wrote:
> >
> > The dependency of DLM on SYSFS got lost in
> > commit 6ed7257b46709e87d79ac2b6b819b7e0c9184998 resulting in the 
> > following compile error with CONFIG_DLM=y, CONFIG_SYSFS=n:
> 
> Hmm. Shouldn't we make that a "select", the way we already do for 
> CONFIGFS_FS? 

"select" is more user friendly while "depends on" makes it easier to 
disable options.

Usually I'm for the usage of "select" in such cases, but since this is 
with CONFIG_EMBEDDED=y where users can be expected to know better what 
they are doing I'd say a "depends on" is fine.

CONFIGFS_FS as a helper for some few file systems is also a different 
situation from SYSFS that is a dependency of much more options.

> 		Linus

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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