ima: force re-appraisal on filesystems with FS_IMA_NO_CACHE

This patch forces files to be re-measured, re-appraised and re-audited
on file systems with the feature flag FS_IMA_NO_CACHE. In that way,
cached integrity results won't be used.

Cc: linux-kernel@vger.kernel.org
Cc: linux-integrity@vger.kernel.org
Cc: linux-security-module@vger.kernel.org
Cc: linux-fsdevel@vger.kernel.org
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: Christoph Hellwig <hch@infradead.org>
Acked-by: "Serge E. Hallyn" <serge@hallyn.com>
Acked-by: Seth Forshee <seth.forshee@canonical.com>
Tested-by: Dongsu Park <dongsu@kinvolk.io>
Signed-off-by: Alban Crequy <alban@kinvolk.io>
Signed-off-by: Dongsu Park <dongsu@kinvolk.io>
Signed-off-by: Mimi Zohar <zohar@linux.vnet.ibm.com>
2 files changed