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kernel/linux-imx6_3.14.28/include/linux/dnotify.h 1008 Bytes
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  #ifndef _LINUX_DNOTIFY_H
  #define _LINUX_DNOTIFY_H
  /*
   * Directory notification for Linux
   *
   * Copyright (C) 2000,2002 Stephen Rothwell
   */
  
  #include <linux/fs.h>
  
  struct dnotify_struct {
  	struct dnotify_struct *	dn_next;
  	__u32			dn_mask;
  	int			dn_fd;
  	struct file *		dn_filp;
  	fl_owner_t		dn_owner;
  };
  
  #ifdef __KERNEL__
  
  
  #ifdef CONFIG_DNOTIFY
  
  #define DNOTIFY_ALL_EVENTS (FS_DELETE | FS_DELETE_CHILD |\
  			    FS_MODIFY | FS_MODIFY_CHILD |\
  			    FS_ACCESS | FS_ACCESS_CHILD |\
  			    FS_ATTRIB | FS_ATTRIB_CHILD |\
  			    FS_CREATE | FS_DN_RENAME |\
  			    FS_MOVED_FROM | FS_MOVED_TO)
  
  extern int dir_notify_enable;
  extern void dnotify_flush(struct file *, fl_owner_t);
  extern int fcntl_dirnotify(int, struct file *, unsigned long);
  
  #else
  
  static inline void dnotify_flush(struct file *filp, fl_owner_t id)
  {
  }
  
  static inline int fcntl_dirnotify(int fd, struct file *filp, unsigned long arg)
  {
  	return -EINVAL;
  }
  
  #endif /* CONFIG_DNOTIFY */
  
  #endif /* __KERNEL __ */
  
  #endif /* _LINUX_DNOTIFY_H */