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List:       opensolaris-ufs-discuss
Subject:    [ufs-discuss] Something new - review via opensolaris.org,
From:       Frank Hofmann <Frank.Hofmann () Sun ! COM>
Date:       2006-08-24 17:06:09
Message-ID: Pine.SOC.4.62.0608241842330.22562 () sr1-eber02-01
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Hi,

there's a first time for everything; so I thought it might be a good idea 
to give you people early access to some of the changes we're currently 
making to the hsfs filesystem driver, even before all of this pops up in a 
coming opensolaris.org code drop. I haven't seen anyone try this as a 
general request yet, but here we go.

I've put a unified diff of sourcecode changes to hsfs that implement the 
Joliet and ISO9660:1999 (v2) extensions, and make the hsfs filesystem 
module unloadable, at:

 	http://cr.grommit.com/~frankho/

If you wish to look at the codechanges, the webrev/ subdirectory contains 
pretty-ized diffs nicely viewable via your webbrowser of choice.

Thanks to Joerg Schilling for most of this code. We are aware of one bug 
that exists in this code (a filename length validation issue), so this is 
not yet final until we've got the fix for that. But if you wish to have 
your go with Joliet/IOS9660-v2, try the above. If you wish to comment on 
it, have a go - I'd be delighted :)

We're planning to do the same (make review webrevs and udiffs available 
via cr.grommit.com, before the actual integration) for all future changes
to the HSFS and PCFS filesystems as we do them within Sun. And yes, there 
is more to come. As far as HSFS goes, we want code for multi-extent (files 
larger than 4GB), for hardlink support, and others, and PCFS is in sore 
need of some significant overhaul. It's only fair to give early access.

As said, to a degree this is an experiment, trying to find out the best 
way to make this work, release early release often. Sorry if you feel like 
I'm cluttering your mailboxes.


Thanks to anyone who has a look, or better a try !

Frank Hofmann


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