On Mon, Oct 5, 2015 at 8:24 PM, Casey Schaufler <casey@schaufler-ca.com> wrote:
> On 10/4/2015 12:19 PM, Andreas Gruenbacher wrote:
>> Add a hook to invalidate an inode's security label when the cached
>> information becomes invalid.
>
> Where is this used?

See the next patch in this patch queue, gfs2.

> If I need to do the same for Smack or any other module, how would I know that
> it works right?

I haven't looked at Smack but if it does the same thing as SELinux,
then label updates on one gfs2 nod ein a cluster won't become visible
on other nodes without this fix, and with this fix they will.

Andreas