linux-ext4 - Re: [PATCH] ext4/super.c: Replace CONTIG_EXT{2,3}_FS by CONFIG_EXT{2,3}

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Date:	Wed, 24 Mar 2010 11:21:59 -0500
From:	Eric Sandeen <sandeen@...hat.com>
To:	tytso@....edu
CC:	linux-ext4@...r.kernel.org, Jan Kara <jack@...e.cz>
Subject: Re: [PATCH] ext4/super.c: Replace CONTIG_EXT{2,3}_FS by CONFIG_EXT{2,3}_FS

On 03/24/2010 11:12 AM, tytso@....edu wrote:
> Thanks for catching this!  This should fix it up...
> 
>        	   	    	   	       	   - Ted
> 
> ext4: Fix build error when EXT4_USE_FOR_EXT23 disabled
> 
> Fix a stupid type (CONTIG != CONFIG) and a stupid assumption that
> ext3_fs_type would always be defined.
> 
> (The build failure could also happen when EXT4_USE_FOR_EXT23 is
> enabled and ext3 is built as a module.)

A little late, but right now we have this in Kconfig:

config EXT4_USE_FOR_EXT23
        bool "Use ext4 for ext2/ext3 file systems"
        depends on EXT4_FS
        depends on EXT3_FS=n || EXT2_FS=n

do we really want "||" ?

so, if you turn off ext2, but leave ext3 on, it will ask you if you want
to use ext4 for ext3?  That doesn't make sense to me.

Shouldn't it be:

-        depends on EXT3_FS=n || EXT2_FS=n
+        depends on EXT3_FS=n && EXT2_FS=n

?

-Eric
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