linux/include/linux/integrity.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2009 IBM Corporation
 * Author: Mimi Zohar <[email protected]>
 */

#ifndef _LINUX_INTEGRITY_H
#define _LINUX_INTEGRITY_H

#include <linux/fs.h>
#include <linux/iversion.h>

enum integrity_status { … };

#ifdef CONFIG_INTEGRITY
extern void __init integrity_load_keys(void);

#else
static inline void integrity_load_keys(void)
{
}
#endif /* CONFIG_INTEGRITY */

/* An inode's attributes for detection of changes */
struct integrity_inode_attributes { … };

/*
 * On stacked filesystems the i_version alone is not enough to detect file data
 * or metadata change. Additional metadata is required.
 */
static inline void
integrity_inode_attrs_store(struct integrity_inode_attributes *attrs,
			    u64 i_version, const struct inode *inode)
{ … }

/*
 * On stacked filesystems detect whether the inode or its content has changed.
 */
static inline bool
integrity_inode_attrs_changed(const struct integrity_inode_attributes *attrs,
			      const struct inode *inode)
{ … }


#endif /* _LINUX_INTEGRITY_H */