fs_stack.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _LINUX_FS_STACK_H
 3#define _LINUX_FS_STACK_H
 4
 5/* This file defines generic functions used primarily by stackable
 6 * filesystems; none of these functions require i_rwsem to be held.
 7 */
 8
 9#include <linux/fs.h>
10
11/* externs for fs/stack.c */
12extern void fsstack_copy_attr_all(struct inode *dest, const struct inode *src);
13extern void fsstack_copy_inode_size(struct inode *dst, struct inode *src);
14
15/* inlines */
16static inline void fsstack_copy_attr_atime(struct inode *dest,
17					   const struct inode *src)
18{
19	inode_set_atime_to_ts(dest, inode_get_atime(src));
20}
21
22static inline void fsstack_copy_attr_times(struct inode *dest,
23					   const struct inode *src)
24{
25	inode_set_atime_to_ts(dest, inode_get_atime(src));
26	inode_set_mtime_to_ts(dest, inode_get_mtime(src));
27	inode_set_ctime_to_ts(dest, inode_get_ctime(src));
28}
29
30#endif /* _LINUX_FS_STACK_H */