linux-kernel - Re: [PATCH] ocfs2: Make OCFS2_FS depend on CONFIGFS

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Message-ID: <20110118230936.GD13251@ZenIV.linux.org.uk>
Date:	Tue, 18 Jan 2011 23:09:36 +0000
From:	Joel Becker <jlbec@...lplan.org>
To:	"Nicholas A. Bellinger" <nab@...ux-iscsi.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	James Bottomley <James.Bottomley@...e.de>
Subject: Re: [PATCH] ocfs2: Make OCFS2_FS depend on CONFIGFS_FS

On Sat, Jan 15, 2011 at 03:16:10PM -0800, Nicholas A. Bellinger wrote:
> From: Nicholas Bellinger <nab@...ux-iscsi.org>
> 
> This patch fixes the following kconfig error after changing
> CONFIGFS_FS -> select SYSFS:
> 
> fs/sysfs/Kconfig:1:error: recursive dependency detected!
> fs/sysfs/Kconfig:1:	symbol SYSFS is selected by CONFIGFS_FS
> fs/configfs/Kconfig:1:	symbol CONFIGFS_FS is selected by OCFS2_FS
> fs/ocfs2/Kconfig:1:	symbol OCFS2_FS depends on SYSFS

<snip>

> diff --git a/fs/ocfs2/Kconfig b/fs/ocfs2/Kconfig
> index ab152c0..77a8de5 100644
> --- a/fs/ocfs2/Kconfig
> +++ b/fs/ocfs2/Kconfig
> @@ -1,7 +1,6 @@
>  config OCFS2_FS
>  	tristate "OCFS2 file system support"
> -	depends on NET && SYSFS
> -	select CONFIGFS_FS
> +	depends on NET && SYSFS && CONFIGFS_FS

	Isn't this exactly what Linus just said not to do?  I don't want
to know that I need to select configfs.  Shouldn't it instead just be:

	select NET
	select CONFIGFS_FS

Linus?

Joel

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