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Date:      Thu, 25 Oct 2001 08:56:14 +1000
From:      Peter Jeremy <peter.jeremy@alcatel.com.au>
To:        ru@FreeBSD.ORG, Jordan Hubbard <jkh@FreeBSD.ORG>
Cc:        cvs-committers@FreeBSD.ORG, cvs-all@FreeBSD.ORG
Subject:   Re: cvs commit: src/release/i386 dokern.sh
Message-ID:  <20011025085614.S75481@gsmx07.alcatel.com.au>
In-Reply-To: <20011002015114T.jkh@freebsd.org>; from jkh@FreeBSD.ORG on Tue, Oct 02, 2001 at 01:51:14AM -0700
References:  <20011002095946.A71912@sunbay.com> <20011002004926I.jkh@freebsd.org> <20011002114601.K74839@sunbay.com> <20011002015114T.jkh@freebsd.org>

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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?

Peter

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