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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;
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 */
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