Re: [PATCH] Extended attribute fixes, etc.

[Christoph Hellwig]

On Tue, Feb 11, 2003 at 08:18:58PM +0100, Andreas Gruenbacher wrote:
> The third to fifth are all steps towards trusted extended attributes, 
> which are useful for privileged processes (mostly daemons). One use for 
> this is Hierarchical Storage Management, in which a user space daemon 
> stores online/offline information for files in trusted EA's, and the 
> kernel communicates requests to bring files online to that daemon. This 
> class of EA's will also find its way into XFS and ReiserFS, and 
> expectedly also into JFS in this form. (Trusted EAs are included in the 
> 2.4.19/2.4.20 patches as well.)

Please don't do the ugly flags stuff.  We have fsuids and fsgids for exactly
that reason (and because we're still lacking a credentials cache..).