Re: [RFC][PATCH 00/12] Enhanced file stat system call

[Casey Schaufler]

On 11/24/2015 12:15 AM, Christoph Hellwig wrote:
> On Fri, Nov 20, 2015 at 08:50:22AM -0800, Casey Schaufler wrote:
> > How about relevant xattrs? SELinux context, ACL, that sort of thing.
> > The fact that these are optional should be taken care of by (4).
> Those are not simple, fixed size stat data and would make the system
> call a giant mess.
I didn't say it would be easy. I do think that adding a system call
that only deals with simple, fixed size data is going to fall short
of solving "the problem".

Actually, a Smack label is fixed size (256 bytes). I suspect there
is a maximum for SELinux contexts as well. ACLs I'll grant you are
infinite.

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