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Date:      Fri, 02 Sep 2005 13:05:02 +0200
From:      "Poul-Henning Kamp" <phk@phk.freebsd.dk>
To:        Bruce Evans <bde@zeta.org.au>
Cc:        Dmitry Pryanishnikov <dmitry@atlantis.dp.ua>, freebsd-arch@freebsd.org
Subject:   Re: kern/85503: panic: wrong dirclust using msdosfs in RELENG_6 
Message-ID:  <35359.1125659102@phk.freebsd.dk>
In-Reply-To: Your message of "Thu, 01 Sep 2005 23:47:15 %2B1000." <20050901201602.X99455@delplex.bde.org> 

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In message <20050901201602.X99455@delplex.bde.org>, Bruce Evans writes:

>So all current file systems need to generate unique 32-bit inode
>numbers.  This may be difficult, but once it is done I think the inode
>number can be used as a key to pass to the hash functions.  (The key
>is bogusly named "hash" in the hash function args and in v_hash above.)

Almost, but not quite correct:  The hash and inode are not and can
not be identical for remote filesystems like NFS.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.



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