1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _LINUX_DNOTIFY_H
 3#define _LINUX_DNOTIFY_H
 4/*
 5 * Directory notification for Linux
 6 *
 7 * Copyright (C) 2000,2002 Stephen Rothwell
 8 */
 9
10#include <linux/fs.h>
11
12struct dnotify_struct {
13	struct dnotify_struct *	dn_next;
14	__u32			dn_mask;
15	int			dn_fd;
16	struct file *		dn_filp;
17	fl_owner_t		dn_owner;
18};
19
20#ifdef __KERNEL__
21
22
23#ifdef CONFIG_DNOTIFY
24
25#define DNOTIFY_ALL_EVENTS (FS_DELETE | FS_DELETE_CHILD |\
26			    FS_MODIFY | FS_MODIFY_CHILD |\
27			    FS_ACCESS | FS_ACCESS_CHILD |\
28			    FS_ATTRIB | FS_ATTRIB_CHILD |\
29			    FS_CREATE | FS_DN_RENAME |\
30			    FS_MOVED_FROM | FS_MOVED_TO)
31
32extern int dir_notify_enable;
33extern void dnotify_flush(struct file *, fl_owner_t);
34extern int fcntl_dirnotify(int, struct file *, unsigned long);
35
36#else
37
38static inline void dnotify_flush(struct file *filp, fl_owner_t id)
39{
40}
41
42static inline int fcntl_dirnotify(int fd, struct file *filp, unsigned long arg)
43{
44	return -EINVAL;
45}
46
47#endif /* CONFIG_DNOTIFY */
48
49#endif /* __KERNEL __ */
50
51#endif /* _LINUX_DNOTIFY_H */

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _LINUX_DNOTIFY_H
 3#define _LINUX_DNOTIFY_H
 4/*
 5 * Directory notification for Linux
 6 *
 7 * Copyright (C) 2000,2002 Stephen Rothwell
 8 */
 9
10#include <linux/fs.h>
11
12struct dnotify_struct {
13	struct dnotify_struct *	dn_next;
14	__u32			dn_mask;
15	int			dn_fd;
16	struct file *		dn_filp;
17	fl_owner_t		dn_owner;
18};
19
20#ifdef __KERNEL__
21
22
23#ifdef CONFIG_DNOTIFY
24
25#define DNOTIFY_ALL_EVENTS (FS_DELETE | FS_DELETE_CHILD |\
26			    FS_MODIFY | FS_MODIFY_CHILD |\
27			    FS_ACCESS | FS_ACCESS_CHILD |\
28			    FS_ATTRIB | FS_ATTRIB_CHILD |\
29			    FS_CREATE | FS_RENAME |\
30			    FS_MOVED_FROM | FS_MOVED_TO)
31
 
32extern void dnotify_flush(struct file *, fl_owner_t);
33extern int fcntl_dirnotify(int, struct file *, unsigned int);
34
35#else
36
37static inline void dnotify_flush(struct file *filp, fl_owner_t id)
38{
39}
40
41static inline int fcntl_dirnotify(int fd, struct file *filp, unsigned int arg)
42{
43	return -EINVAL;
44}
45
46#endif /* CONFIG_DNOTIFY */
47
48#endif /* __KERNEL __ */
49
50#endif /* _LINUX_DNOTIFY_H */