[PATCH] ima: define new policy condition based on the filesystem name

[Christoph Hellwig]

On Mon, Jan 15, 2018 at 11:20:36AM -0500, Mimi Zohar wrote:
> Some filesystems do not export the filesystem's magic number, as it is
> considered internal, private data.  In other cases, the policy rule
> needs to identify a specifically mounted filesystem (eg. rootfs).

No, it doesn't.  Policies based on a file system type are complete and
utterly bogus.   rootfs should not be treated any different from other
file systems.
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