File-copy from v4.4.100

This is the result of 'cp' from a linux-stable tree with the 'v4.4.100'
tag checked out (commit 26d6298789e695c9f627ce49a7bbd2286405798a) on
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git

Please refer to that tree for all history prior to this point.

Change-Id: I8a9ee2aea93cd29c52c847d0ce33091a73ae6afe
diff --git a/include/linux/integrity.h b/include/linux/integrity.h
new file mode 100644
index 0000000..c2d6082
--- /dev/null
+++ b/include/linux/integrity.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2009 IBM Corporation
+ * Author: Mimi Zohar <zohar@us.ibm.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ */
+
+#ifndef _LINUX_INTEGRITY_H
+#define _LINUX_INTEGRITY_H
+
+#include <linux/fs.h>
+
+enum integrity_status {
+	INTEGRITY_PASS = 0,
+	INTEGRITY_FAIL,
+	INTEGRITY_NOLABEL,
+	INTEGRITY_NOXATTRS,
+	INTEGRITY_UNKNOWN,
+};
+
+/* List of EVM protected security xattrs */
+#ifdef CONFIG_INTEGRITY
+extern struct integrity_iint_cache *integrity_inode_get(struct inode *inode);
+extern void integrity_inode_free(struct inode *inode);
+extern void __init integrity_load_keys(void);
+
+#else
+static inline struct integrity_iint_cache *
+				integrity_inode_get(struct inode *inode)
+{
+	return NULL;
+}
+
+static inline void integrity_inode_free(struct inode *inode)
+{
+	return;
+}
+
+static inline void integrity_load_keys(void)
+{
+}
+#endif /* CONFIG_INTEGRITY */
+
+#endif /* _LINUX_INTEGRITY_H */