aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/include/linux/fs_stack.h
blob: 2b1f74b2407070040f36e0c376e31f31e4190b3d (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
/* SPDX-License-Identifier: GPL-2.0 */
#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)
{
	inode_set_atime_to_ts(dest, inode_get_atime(src));
}

static inline void fsstack_copy_attr_times(struct inode *dest,
					   const struct inode *src)
{
	inode_set_atime_to_ts(dest, inode_get_atime(src));
	inode_set_mtime_to_ts(dest, inode_get_mtime(src));
	inode_set_ctime_to_ts(dest, inode_get_ctime(src));
}

#endif /* _LINUX_FS_STACK_H */