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Date:      Wed, 24 Oct 2001 16:35:31 -0700 (PDT)
From:      John Baldwin <jhb@FreeBSD.org>
To:        Peter Jeremy <peter.jeremy@alcatel.com.au>
Cc:        cvs-all@FreeBSD.ORG, cvs-committers@FreeBSD.ORG, Jordan Hubbard <jkh@FreeBSD.ORG>, ru@FreeBSD.ORG
Subject:   Re: cvs commit: src/release/i386 dokern.sh
Message-ID:  <XFMail.011024163531.jhb@FreeBSD.org>
In-Reply-To: <20011025085614.S75481@gsmx07.alcatel.com.au>

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On 24-Oct-01 Peter Jeremy wrote:
> On Tue, Oct 02, 2001 at 01:51:14AM -0700, Jordan Hubbard wrote:
>>> I was just pointing out that lack of MSDOSFS option will lack the
>>> ability to install from the DOS partition, which is essential part
>>> of installation, no?
>>
>>Thank you Ruslan, but this I already knew since it's pretty obvious to
>>even the slowest reader that removing MSDOSFS will remove this as an
>>installation option.
> 
> How about only removing part of MSDOSFS?  For installation purposes,
> you only need to be able to read from the various filesystems (other
> than UFS).  A read-only FS implementation will normally be
> significantly smaller than a R/W implementation (boot2 includes a R/O
> UFS implementation in less than 8KB).  It should be possible to
> produce a cut-down module that is capable of reading an 8+3 FAT
> filesystem that is significantly smaller than the existing MSDOSFS
> module.
> 
> Do enough people do installs from an MS-DOS FAT filesystem to make
> implementing this worthwhile?
> 
> Of potentially more widespread use: The recent split of NFS into
> client and server modules means that supporting NFS installs now
> translates to less kernel bloat.  Would it be worthwhile implementing
> a read-only NFS client?

There is already a NFS_NOSERVER kernel option.  I think we use it on the boot
kernel already.  If we don't we probably should.

> Peter

-- 

John Baldwin <jhb@FreeBSD.org> -- http://www.FreeBSD.org/~jhb/
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