/*
 * Copyright (c) 2006-2009 Erez Zadok
 * Copyright (c) 2006-2007 Josef 'Jeff' Sipek
 * Copyright (c) 2006-2009 Stony Brook University
 * Copyright (c) 2006-2009 The Research Foundation of SUNY
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifndef _LINUX_FS_STACK_H
#define _LINUX_FS_STACK_H

/*
 * This file defines generic functions used primarily by stackable
 * filesystems; none of these functions require i_mutex to be held.
 */

#include <linux/fs.h>

/* externs for fs/stack.c */
extern void fsstack_copy_attr_all(struct inode *dest, const struct inode *src);
extern void fsstack_copy_inode_size(struct inode *dst, struct inode *src);

/* inlines */
static inline void fsstack_copy_attr_atime(struct inode *dest,
					   const struct inode *src)
{
	dest->i_atime = src->i_atime;
}

static inline void fsstack_copy_attr_times(struct inode *dest,
					   const struct inode *src)
{
	dest->i_atime = src->i_atime;
	dest->i_mtime = src->i_mtime;
	dest->i_ctime = src->i_ctime;
}

#endif /* _LINUX_FS_STACK_H */