Date: Fri, 07 Nov 2008 11:44:27 +0100 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-arch@freebsd.org Subject: Re: Directory rename semantics. Message-ID: <gf168k$48o$1@ger.gmane.org> In-Reply-To: <20081106195558.GG2281@submonkey.net> References: <20081027193545.GA95872@pin.if.uz.zgora.pl> <20081028161855.GA45129@zim.MIT.EDU> <20081106192829.GA98742@pin.if.uz.zgora.pl> <20081106195558.GG2281@submonkey.net>
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This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig29C47C12AA531272E280C275 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Ceri Davies wrote: > On Thu, Nov 06, 2008 at 08:28:29PM +0100, Edward Tomasz Napierala wrote= : >> After discussion about this with rwatson and pjd, I decided to do >> the opposite: change ZFS behaviour to match UFS. Reason is simple: >> this is security, and we want to be conservative here. It's impossibl= e >> to make sure this change wouldn't cause security problems. >=20 > Perhaps it would have been better to either do nothing or create a zfs > property that toggled this behaviour so that people who expect ZFS to > behave a certain way get it. I'm not sure why we would want all > filesystems to behave the same way, to be honest. That would be desirable if we want file system semantics to be a property of the OS instead of individual file systems. (Though I don't know if there's ever been a conscious decision about this particular goal). If so, a knob that toggles between the behaviours should toggle it for all file systems. Having them behave differently can create problems in migration to and from ZFS. --------------enig29C47C12AA531272E280C275 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFJFBxXldnAQVacBcgRApmAAJ9BiNfkOqtTLi7QvKpkOlqnRAjK6ACghKZH H3O7sJEjfNmLY5xFLypdY7s= =JlPJ -----END PGP SIGNATURE----- --------------enig29C47C12AA531272E280C275--
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