Re: [patch 5/8] vfs: annotate permission operations

[Christoph Hellwig]

On Thu, May 29, 2008 at 01:32:50PM +0200, Miklos Szeredi wrote:
> From: Miklos Szeredi <mszeredi@xxxxxxx>
> 
> Add more PERM_OP_ flags to permission() calls.  This allows
> filesystems like NFS and security modules like AppArmor to make
> precise decisions about whent permissions need to be checked, and when
> they will be checked later together with the actual operation.

Where the heck does this PERM_OP crap come from?  More MAY_ flags make
sense in some cases, but we should introduce them on a per-need basis
(e.g. to replace lookup intents in many cases), and without a new
PERM_OP_ namespace.

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