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Date:      Wed, 20 Nov 2002 23:12:12 -0500
From:      Chris Pepper <pepper@reppep.com>
To:        David Schultz <dschultz@uclink.Berkeley.EDU>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: Confirmation: ext2fs requires kernel rebuild?
Message-ID:  <p05200f09ba020d2729e6@[66.92.104.201]>
In-Reply-To: <20021121035034.GA2591@HAL9000.homeunix.com>
References:  <p05200f1ab9ff72b26ae1@[66.92.104.201]> <20021119100625.GC679@HAL9000.homeunix.com> <p05200f24ba0073e6b323@[66.92.104.201]> <20021121035034.GA2591@HAL9000.homeunix.com>

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At 7:50 PM -0800 2002/11/20, David Schultz wrote:
>Thus spake Chris Pepper <pepper@reppep.com>:
>>  To use ext2fs, you can either add
>>  >the option EXT2FS to your kernel config to compile it statically
>>  >into your kernel, or you can load the ext2fs module dynamically,
>>  >even into GENERIC.  To do the latter, the module must exist;
>>  >it will be created if you make the kernel with -DWANT_EXT2FS_MODULE.
>>  >It is also installed by sysinstall, IIRC.
>>
>>  David,
>>
>>	I know they're distinct, but it's silly for a discussion of
>>  Linux applications to ignore the possibility of those apps residing
>>  on a Linux filesystem. I couldn't find ext2fs documented anywhere,
>>  which is the first issue. The second is adding a link & comment to
>>  the LABI chapter.
>
>Hmm...I think you're right.  I don't see any documentation for the
>option.  I would just as soon hook the module up to the default
>build like all the other modules, but maybe the license is an issue.

	I think it's off by default for stability, but would like to 
submit a patch to the LABI Handbook chapter  linking to a discussion 
of the FS module. Unfortunately, I haven't yet found a URL that 
describes it.

	LINT says:
>#
># Add support for the EXT2FS filesystem of Linux fame.  Be a bit
># careful with this - the ext2fs code has a tendency to lag behind
># changes and not be exercised very much, so mounting read/write could
># be dangerous (and even mounting read only could result in panics.)
>#
>options         EXT2FS


						Chris Pepper
-- 
Chris Pepper:               <http://www.reppep.com/~pepper/>;
Rockefeller University:     <http://www.rockefeller.edu/>;

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