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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Jan Dittmer <jdi@l4x.org>
Cc: David Howells <dhowells@redhat.com>,
	sds@tycho.nsa.gov, jmorris@namei.org, chrisw@sous-sol.org,
	selinux@tycho.nsa.gov, linux-kernel@vger.kernel.org,
	aviro@redhat.com
Subject: Re: Security issues with local filesystem caching
Date: Thu, 26 Oct 2006 12:52:21 +0100	[thread overview]
Message-ID: <1161863541.12781.32.camel@localhost.localdomain> (raw)
In-Reply-To: <45407C71.5070407@l4x.org>

Ar Iau, 2006-10-26 am 11:14 +0200, ysgrifennodd Jan Dittmer:
> Why again no local userspace daemon to do the caching? That would
> put the policy out of the kernel. The additional context switches
> are probably pretty cheap compared to the io operations.

It costs a lot in latency, and you don't need a daemon in the first
place. If you want to do a user space caching fs of course you can
already do it with FUSE..


  parent reply	other threads:[~2006-10-26 11:49 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-10-25 10:14 Security issues with local filesystem caching David Howells
2006-10-25 16:52 ` Nate Diller
2006-10-25 16:48   ` Jeff V. Merkey
2006-10-25 17:21     ` David Howells
2006-10-25 17:42       ` Jeff V. Merkey
2006-10-25 18:15         ` David Howells
2006-10-25 20:21 ` Josef Sipek
2006-10-25 20:28   ` Josef Sipek
2006-10-26  9:56   ` David Howells
2006-10-27 15:54     ` Josef Sipek
2006-10-25 21:12 ` Stephen Smalley
2006-10-26 10:40   ` David Howells
2006-10-26 12:51     ` Stephen Smalley
2006-10-26 16:04       ` David Howells
2006-10-26 16:34         ` Stephen Smalley
2006-10-26 17:09           ` David Howells
2006-10-26 17:45             ` Stephen Smalley
2006-10-26 22:53               ` David Howells
2006-10-27 14:48                 ` Stephen Smalley
2006-10-27 15:42                   ` David Howells
2006-10-27 16:10                     ` Stephen Smalley
2006-10-27 16:25                       ` David Howells
2006-10-27 17:09                         ` Stephen Smalley
2006-10-27 17:34                           ` David Howells
2006-10-27 14:41               ` David Howells
2006-10-25 23:37 ` Alan Cox
2006-10-26  0:32   ` Al Viro
2006-10-26 10:45     ` David Howells
2006-10-26 10:54     ` Alan Cox
2006-10-26  9:14 ` Jan Dittmer
2006-10-26 10:55   ` David Howells
2006-10-26 11:52   ` Alan Cox [this message]
2006-10-31 21:26 ` David Howells
2006-11-01 13:28   ` Stephen Smalley
2006-11-01 15:34     ` David Howells
2006-11-01 15:58       ` Karl MacMillan
2006-11-01 17:45         ` Stephen Smalley
2006-11-02 16:29           ` Karl MacMillan
2006-11-02 18:04             ` Stephen Smalley
2006-11-01 17:30       ` Stephen Smalley
2006-11-02 17:16         ` David Howells
2006-11-02 19:49           ` Trond Myklebust
2006-11-02 20:38             ` David Howells
2006-11-02 21:24               ` Trond Myklebust
2006-11-03 10:27                 ` David Howells
2006-11-03 13:41                   ` Trond Myklebust
2006-11-03 15:23                     ` David Howells
2006-11-03 17:30                       ` Trond Myklebust
2006-11-14 19:22                         ` David Howells
2006-11-15 14:05                           ` Trond Myklebust
2006-11-15 15:28                             ` David Howells
2006-11-15 16:41                               ` Trond Myklebust
2006-11-15 18:17                                 ` David Howells
2006-11-03 15:33                     ` David Howells
2006-11-02 20:33           ` Stephen Smalley
2006-11-02 21:05             ` David Howells

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