Re: file_type_auto_trans is not sufficient

[Stephen Smalley]

On Tue, 2005-05-31 at 22:21 +0100, Luke Kenneth Casson Leighton wrote:
>  thinking "sideways" again - as i am wont to do.
> 
>  how about... a "sideways" solution to this - at the kernel level?
> 
>  a "silent" redirection / remount, on a per-application basis?
> 
>  no, i'm not joking.
> 
>  an option to "mount" which allows a specific APPLICATION (or group of
>  applications) to have any files/directories it creates/accesses in a
>  subdirectory ACTUALLY occur ELSEWHERE.

That's polyinstantiated directories.  See Chad Seller's postings.
However, it uses the kernel's existing support for per-process
namespaces and bind mounts rather than anything new in the kernel.

-- 
Stephen Smalley
National Security Agency

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