include/linux/dnotify.h

   1 /*
   2  * Directory notification for Linux
   3  *
   4  * Copyright 2000 (C) Stephen Rothwell
   5  */
   6
   7 struct dnotify_struct {
   8         struct dnotify_struct * dn_next;
   9         int                     dn_magic;
  10         unsigned long           dn_mask;        /* Events to be notified
  11                                                    see linux/fcntl.h */
  12         int                     dn_fd;
  13         struct file *           dn_filp;
  14 };
  15
  16 #define DNOTIFY_MAGIC   0x444E4F54
  17
  18 extern void __inode_dir_notify(struct inode *, unsigned long);
  19 extern int fcntl_dirnotify(int, struct file *, unsigned long);
  20
  21 static inline void inode_dir_notify(struct inode *inode, unsigned long event)
  22 {
  23         if ((inode)->i_dnotify_mask & (event))
  24                 __inode_dir_notify(inode, event);
  25 }