From: Trond Myklebust <trond.myklebust@fys.uio.no>
To: Ingo Oeser <ingo.oeser@informatik.tu-chemnitz.de>
Cc: David Howells <dhowells@warthog.cambridge.redhat.com>,
Linus Torvalds <torvalds@transmeta.com>,
David Howells <dhowells@redhat.com>,
linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org,
openafs-devel@openafs.org
Subject: Re: [PATCH] PAG support, try #2
Date: 18 May 2003 16:51:27 +0200 [thread overview]
Message-ID: <shs8yt4l34g.fsf@charged.uio.no> (raw)
In-Reply-To: <20030515131825.G672@nightmaster.csn.tu-chemnitz.de>
>>>>> " " == Ingo Oeser <ingo.oeser@informatik.tu-chemnitz.de> writes:
> On Wed, May 14, 2003 at 06:37:00PM +0100, David Howells wrote:
>> And then you have to have some method of prioritisation. You
>> may find that user dhowells has a token for
>> (fs=AFS,cell=redhat.com) and group engineering has a token for
>> (fs=AFS,cell=redhat.com). Which do you use?
> Union of both. And remember to subtract negative ACLs from
> positive ACLs. Prioritize users over groups in case of explicit
> mention.
> This is standard permission checking.
> Hmm, sounds too simple, so it must be wrong ;-)
Quite. Now that you've done the math, please explain how this should
be implemented efficiently. These are *networked* filesystems...
Cheers,
Trond
next prev parent reply other threads:[~2003-05-18 14:38 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-14 10:43 [PATCH] PAG support, try #2 David Howells
2003-05-14 10:56 ` Christoph Hellwig
2003-05-14 11:56 ` David Howells
2003-05-14 12:35 ` Christoph Hellwig
2003-05-14 12:45 ` William Lee Irwin III
2003-05-14 12:57 ` Jeff Garzik
2003-05-14 11:49 ` Matthew Wilcox
2003-05-14 12:03 ` David Howells
2003-05-14 16:49 ` Linus Torvalds
2003-05-14 17:37 ` David Howells
2003-05-15 11:18 ` Ingo Oeser
2003-05-18 14:51 ` Trond Myklebust [this message]
2003-05-14 19:28 ` H. Peter Anvin
2003-05-14 16:58 ` Jan Harkes
2003-05-14 17:11 ` Jan Harkes
2003-05-14 20:45 ` [OpenAFS-devel] " Harald Barth
2003-05-15 0:14 ` Garance A Drosihn
2003-05-15 0:57 ` Linus Torvalds
2003-05-15 1:34 ` Trond Myklebust
2003-05-15 2:30 ` Linus Torvalds
2003-05-15 14:04 ` Dean Anderson
2003-05-15 16:20 ` Linus Torvalds
2003-05-15 16:41 ` David Howells
2003-05-15 17:23 ` Linus Torvalds
2003-05-16 12:12 ` David Howells
2003-05-15 23:00 ` Garance A Drosihn
2003-05-15 23:21 ` QM_MODULES Function not implemented John Shillinglaw
2003-05-16 0:53 ` [OpenAFS-devel] Re: [PATCH] PAG support, try #2 Nathan Neulinger
2003-05-15 4:26 ` Russ Allbery
2003-05-15 4:59 ` Linus Torvalds
2003-05-15 15:34 ` Booker Bense
2003-05-15 13:12 ` Garance A Drosihn
2003-05-15 15:55 ` Douglas E. Engert
2003-05-15 13:35 ` David Howells
2003-05-15 13:55 ` chas williams
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