From: Andrew Morton <akpm@linux-foundation.org>
To: "Pekka Enberg" <penberg@cs.helsinki.fi>
Cc: linux-kernel@vger.kernel.org, hch@infradead.org,
alan@lxorguk.ukuu.org.uk, Al Viro <viro@zeniv.linux.org.uk>
Subject: Re: [PATCH 2/5] revoke: core code
Date: Fri, 16 Mar 2007 12:54:21 -0800 [thread overview]
Message-ID: <20070316125421.ea2ae3bd.akpm@linux-foundation.org> (raw)
In-Reply-To: <84144f020703161337o3a6519cfn34d4b2620062264d@mail.gmail.com>
On Fri, 16 Mar 2007 22:37:57 +0200 "Pekka Enberg" <penberg@cs.helsinki.fi> wrote:
> What we could do is add a "I am revoked" flag to struct file which
> blocks any future ->readpage, ->readpages, and ->direct_IO on the
> file. Alternatively, we could change the ->f_mapping to point to an
> address space that has "revoked address space" operations. Hmm.
iirc, that was part of the rationale for the introduction of f_mapping.
I'll cc he-who-never-replies, who did that work.
prev parent reply other threads:[~2007-03-16 20:54 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-11 11:30 [PATCH 2/5] revoke: core code Pekka J Enberg
2007-03-16 1:34 ` Andrew Morton
2007-03-16 6:44 ` Pekka Enberg
2007-03-16 11:26 ` Andrew Morton
2007-03-16 11:44 ` Pekka J Enberg
2007-03-16 12:26 ` Andrew Morton
2007-03-16 14:45 ` Pekka J Enberg
2007-03-16 14:58 ` Alan Cox
2007-03-16 14:27 ` Pekka Enberg
2007-03-16 14:46 ` Pekka Enberg
2007-03-16 14:30 ` Pekka Enberg
2007-03-16 20:37 ` Pekka Enberg
2007-03-16 20:54 ` Andrew Morton [this message]
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