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Date:      Mon, 29 Jul 2002 14:00:41 -0700
From:      Alfred Perlstein <bright@mu.org>
To:        "David E. Cross" <crossd@cs.rpi.edu>
Cc:        fs@freebsd.org, guptar@cs.rpi.edu
Subject:   Re: UFS Journaling Project
Message-ID:  <20020729210041.GH76284@elvis.mu.org>
In-Reply-To: <200207291714.g6THESc08188@jenolen.cs.rpi.edu>
References:  <200207291714.g6THESc08188@jenolen.cs.rpi.edu>

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* David E. Cross <crossd@cs.rpi.edu> [020729 10:14] wrote:
> 
> Question: How do we modify struct ufsmount without causing corruption, or
> where should we store a pointer to our state information?

Several things:

first, my apologies for this being kind of silly, my access to sources
are very limited now. :)

1) have you just tried _only_ adding a spare field to the start or end
of ufsmount struct?

2) newfs, mount_ufs, fsck and tunefs all include ufs/ufs/ufsmount.h
possibly something is going wrong there because of kernel/userland
mismatch?

3) as a temp workaround why not just use a hashtable based on the 
ufsmount's address?

-- 
-Alfred Perlstein [alfred@freebsd.org] [#bsdcode/efnet/irc.prison.net]
'Instead of asking why a piece of software is using "1970s technology,"
 start asking why software is ignoring 30 years of accumulated wisdom.'

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