include/linux/dnotify.h

   1 /*
   2  * Directory notification for Linux
   3  *
   4  * Copyright (C) 2000,2002 Stephen Rothwell
   5  */
   6
   7 #include <linux/fs.h>
   8
   9 struct dnotify_struct {
  10         struct dnotify_struct * dn_next;
  11         unsigned long           dn_mask;        /* Events to be notified
  12                                                    see linux/fcntl.h */
  13         int                     dn_fd;
  14         struct file *           dn_filp;
  15         fl_owner_t              dn_owner;
  16 };
  17
  18 extern void __inode_dir_notify(struct inode *, unsigned long);
  19 extern void dnotify_flush(struct file *filp, fl_owner_t id);
  20 extern int fcntl_dirnotify(int, struct file *, unsigned long);
  21 void dnotify_parent(struct dentry *dentry, unsigned long event);
  22
  23 static inline void inode_dir_notify(struct inode *inode, unsigned long event)
  24 {
  25         if ((inode)->i_dnotify_mask & (event))
  26                 __inode_dir_notify(inode, event);
  27 }