linux-kernel - Re: [patch 04/14] gfs2: dont call permission()

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Date:	Sun, 25 May 2008 15:24:14 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Miklos Szeredi <miklos@...redi.hu>
Cc:	hch@...radead.org, linux-fsdevel@...r.kernel.org,
	viro@...IV.linux.org.uk, linux-kernel@...r.kernel.org,
	swhiteho@...hat.com
Subject: Re: [patch 04/14] gfs2: dont call permission()

On Fri, May 23, 2008 at 12:00:26PM +0200, Miklos Szeredi wrote:
> And that's true of lookup_one_len() as well, the last bit of horror
> left in this permission() saga.  It's called from lots of places,
> often for doing things it's not at all meant to do (e.g. where caller
> _knows_ it will return negative, etc...).  One day maybe I'll have
> strength to clean that up as well..., but not now.

lookup_one_len is not just a horror for permission, it's a nighmare
in general.  I'm not convinced any use of it except for silly renames
is actually valid.

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