Date: Thu, 28 Feb 2008 12:03:04 -0700 From: Scott Long <scottl@samsco.org> To: pav@FreeBSD.org Cc: Bruce Evans <bde@zeta.org.au>, freebsd-hackers@FreeBSD.org, scottl@FreeBSD.org, Andriy Gapon <avg@icyb.net.ua>, freebsd-fs@FreeBSD.org, Julian Elischer <julian@elischer.org>, Remko Lodder <remko@FreeBSD.org> Subject: Re: fs/udf: vm pages "overlap" while reading large dir [patch] Message-ID: <47C70568.7070208@samsco.org> In-Reply-To: <1204192787.54462.1.camel@pav.hide.vol.cz> References: <200612221824.kBMIOhfM049471@freefall.freebsd.org> <47A2EDB0.8000801@icyb.net.ua> <47A2F404.7010208@icyb.net.ua> <47A735A4.3060506@icyb.net.ua> <47A75B47.2040604@elischer.org> <1202155663.62432.0.camel@ikaros.oook.cz> <47A8754C.5010607@icyb.net.ua> <1202235368.68281.12.camel@ikaros.oook.cz> <1204053786.1799.0.camel@ikaros.oook.cz> <47C671CF.9020101@icyb.net.ua> <1204192787.54462.1.camel@pav.hide.vol.cz>
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Pav Lucistnik wrote: > Andriy Gapon píše v čt 28. 02. 2008 v 10:33 +0200: > > And while I have your attention, I have a related question. > > I have produced a bunch of ISO9660 Level 3 / UDF hybrid media with > mkisofs, and when I mount the UDF part of them, the mount point (root > directory of media) have 0x000 permissions. Yes that's right, d--------- > in ls -l. That makes the whole volume inaccessible for everyone except > root. > > Is this something you can mend in our UDF driver, or should I go dig > inside mkisofs guts? Windows handle these media without any visible > problems. > I wonder if Windows even observes the permissions bits. You'd have to special-case the UDF driver code in FreeBSD, which certainly possible but not terribly attractive. I'd be interested to see what exactly mkiso is doing. Maybe it's putting permissions into extended attributes and assuming the filesystem driver will read those instead. Scott
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