Date: Thu, 23 Jun 2005 23:03:13 +0200 From: Marius Strobl <marius@alchemy.franken.de> To: Gregg Cooper <bsdcrank@squbes.com> Cc: =?iso-8859-1?Q?Dag-Erling_Sm=F8rgrav?= <des@des.no>, Scott Long <scottl@samsco.org>, freebsd-hackers@freebsd.org Subject: Re: Duplicate inodes in 5.4-RELEASE-i386-disc1.iso Message-ID: <20050623230313.D80563@newtrinity.zeist.de> In-Reply-To: <42BAEA23.70802@squbes.com>; from bsdcrank@squbes.com on Thu, Jun 23, 2005 at 12:58:11PM -0400 References: <42BAC058.3040603@squbes.com> <42BAC1CB.30402@samsco.org> <86mzphcc0z.fsf@xps.des.no> <42BAEA23.70802@squbes.com>
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On Thu, Jun 23, 2005 at 12:58:11PM -0400, Gregg Cooper wrote: > Dag-Erling Smørgrav wrote: > > >Scott Long <scottl@samsco.org> writes: > > > > > >>Gregg Cooper wrote: > >> > >> > >>>15005 -r--r--r-- 2 root wheel 0 May 8 03:05 dumpdates > >>>15005 -r--r--r-- 2 root wheel 142 May 8 03:05 fbtab > >>>83266 -r--r--r-- 2 root wheel 0 May 8 03:01 locale > >>>83266 -r--r--r-- 2 root wheel 31 May 8 03:01 mm.tmac > >>>83269 -r--r--r-- 2 root wheel 0 May 8 03:01 se_locale > >>>83269 -r--r--r-- 2 root wheel 97 May 8 03:01 se_ms.cov > >>>99056 -r--r--r-- 2 root wheel 0 May 8 03:05 utmp > >>>99056 -r--r--r-- 2 root wheel 18425 May 8 03:04 Makefile.dist > >>> > >>> > >>Maybe it's a bug in mkisofs? > >> > >> > > > >ISO 9660 filesystems donn't have inode numbers. The cd9660 code fakes > >them based on the location of each file's contents. This model breaks > >down for empty files, which have no contents and thus no meaningful > >location. Apparently, mkisofs simply keeps track of the last extent > >written and uses that for the location of the next file regardless of > >whether it actually has any contents, so empty files get the same > >inode number as the previous non-empty file. > > > >The attached patch will make mkisofs assign the lowest valid non-zero > >address to all empty files. They will therefore appear to be hard > >links to eachother, but not to random non-empty files. > > > >DES > > > > > Scott: Thanks for the Makefile snippet. > > DES: So fast - thanks! You provided a solution in less time than I spent > scratching my head ... > > marius: As port maintainer, can you shepherd this change into the > cdrtools project? > Please run it through the author of cdrtools first (Joerg Schilling <schilling@fokus.fraunhofer.de>). If he thinks it's the right thing to do I'm happy to add it to the port. Marius
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