Hi,

quoted text
> I'm reading this thread on tenterhooks.
> If vfsmount is passed to VFS helper functions, that will make
> r/o bind mounts and AppArmor and TOMOYO Linux happy.
> But so far, it seems that "passing vfsmount makes things complicated".

If done right, it shouldn't.  At least it didn't seem to complicate
the parts that I've touched ;)

quoted text
> If the conclusion became "vfsmount should not be passed to
> VFS helper functions", that's OK, but I want you to consider
> the below approach for AppArmor and TOMOYO Linux. This patch is a repost of
> http://kerneltrap.org/mailarchive/linux-fsdevel/2008/2/17/882024 .

I'm not a big fan of adding new security hooks.  Nor of moving the
existing ones to callers.

Miklos
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