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From: David Howells <dhowells@redhat.com>
To: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: dhowells@redhat.com, casey@schaufler-ca.com,
	viro@ftp.linux.org.uk, hch@infradead.org,
	linux-kernel@vger.kernel.org
Subject: Re: Credentials test patch
Date: Tue, 18 Sep 2007 19:24:45 +0100	[thread overview]
Message-ID: <6388.1190139885@redhat.com> (raw)
In-Reply-To: <1190138621.6656.39.camel@heimdal.trondhjem.org>

Trond Myklebust <trond.myklebust@fys.uio.no> wrote:

> > What I don't really understand is what value is gained by this exercise.
> > Are the savings sufficiently significant to justify the effort?
> 
> It is not about savings, but about new functionality. Basically, the
> existence of reference-counted credentials will allow AFS and NFS to
> cache that information and use it for deferred writes etc.

And also make it easier for cachefiles and hopefully NFSd to override the
active security.

There's a comment somewhere in, I think, the SunRPC code in the Linux kernel
bemoaning the lack of this very feature:-)

David

      reply	other threads:[~2007-09-18 18:25 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-09-13 19:56 Credentials test patch David Howells
2007-09-13 20:09 ` Linus Torvalds
2007-09-13 21:19   ` David Howells
2007-09-13 21:33     ` Linus Torvalds
2007-09-15 15:51 ` Ulrich Drepper
2007-09-17 11:02   ` David Howells
2007-09-17 14:28     ` Ulrich Drepper
2007-09-17 15:27 ` David Howells
2007-09-18 16:33 ` David Howells
2007-09-18 16:44   ` Trond Myklebust
2007-09-18 17:25     ` David Howells
2007-09-18 17:58     ` Casey Schaufler
2007-09-18 18:03       ` Trond Myklebust
2007-09-18 18:24         ` David Howells [this message]

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