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