Linux kernel mirror (for testing)
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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
11struct dnotify_struct {
12 struct dnotify_struct * dn_next;
13 unsigned long dn_mask;
14 int dn_fd;
15 struct file * dn_filp;
16 fl_owner_t dn_owner;
17};
18
19#ifdef __KERNEL__
20
21#include <linux/config.h>
22
23#ifdef CONFIG_DNOTIFY
24
25extern void __inode_dir_notify(struct inode *, unsigned long);
26extern void dnotify_flush(struct file *, fl_owner_t);
27extern int fcntl_dirnotify(int, struct file *, unsigned long);
28extern void dnotify_parent(struct dentry *, unsigned long);
29
30static inline void inode_dir_notify(struct inode *inode, unsigned long event)
31{
32 if (inode->i_dnotify_mask & (event))
33 __inode_dir_notify(inode, event);
34}
35
36#else
37
38static inline void __inode_dir_notify(struct inode *inode, unsigned long event)
39{
40}
41
42static inline void dnotify_flush(struct file *filp, fl_owner_t id)
43{
44}
45
46static inline int fcntl_dirnotify(int fd, struct file *filp, unsigned long arg)
47{
48 return -EINVAL;
49}
50
51static inline void dnotify_parent(struct dentry *dentry, unsigned long event)
52{
53}
54
55static inline void inode_dir_notify(struct inode *inode, unsigned long event)
56{
57}
58
59#endif /* CONFIG_DNOTIFY */
60
61#endif /* __KERNEL __ */
62
63#endif /* _LINUX_DNOTIFY_H */