#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; unsigned long dn_mask; int dn_fd; struct file * dn_filp; fl_owner_t dn_owner; }; #ifdef __KERNEL__ #ifdef CONFIG_DNOTIFY extern void __inode_dir_notify(struct inode *, unsigned long); extern void dnotify_flush(struct file *, fl_owner_t); extern int fcntl_dirnotify(int, struct file *, unsigned long); extern void dnotify_parent(struct dentry *, unsigned long); static inline void inode_dir_notify(struct inode *inode, unsigned long event) { if (inode->i_dnotify_mask & (event)) __inode_dir_notify(inode, event); } #else static inline void __inode_dir_notify(struct inode *inode, unsigned long event) { } 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; } static inline void dnotify_parent(struct dentry *dentry, unsigned long event) { } static inline void inode_dir_notify(struct inode *inode, unsigned long event) { } #endif /* CONFIG_DNOTIFY */ #endif /* __KERNEL __ */ #endif /* _LINUX_DNOTIFY_H */