linux-kernel - Re: [PATCH] utimensat() non-conformances and fixes [v3]

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Message-Id: <E1K3URo-0005sj-JW@pomaz-ex.szeredi.hu>
Date:	Tue, 03 Jun 2008 13:13:00 +0200
From:	Miklos Szeredi <miklos@...redi.hu>
To:	mtk.manpages@...glemail.com
CC:	miklos@...redi.hu, drepper@...hat.com, viro@...iv.linux.org.uk,
	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org,
	linux-man@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH] utimensat() non-conformances and fixes [v3]

> > I'm not sure of the correct way to get the required nameidata (to do a
> > vfs_permission() call) from the file descriptor.  Can you give me a
> > tip there?
> 
> Could you point me at the right way of doing this?

You don't need nameidata for this at all.  Just call permission() with
a NULL nameidata.

Ugly API?  Yes, will be cleaned up if we manage to find some common
ground with the VFS maintainers.

Miklos
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