Date: Thu, 23 Jun 2005 12:58:11 -0400 From: Gregg Cooper <bsdcrank@squbes.com> To: =?ISO-8859-1?Q?Dag-Erling_Sm=F8rgrav?= <des@des.no> Cc: freebsd-hackers@freebsd.org, Scott Long <scottl@samsco.org>, marius@freebsd.org Subject: Re: Duplicate inodes in 5.4-RELEASE-i386-disc1.iso Message-ID: <42BAEA23.70802@squbes.com> In-Reply-To: <86mzphcc0z.fsf@xps.des.no> References: <42BAC058.3040603@squbes.com> <42BAC1CB.30402@samsco.org> <86mzphcc0z.fsf@xps.des.no>
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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? Gregg
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