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/* SPDX-License-Identifier: GPL-2.0 */
#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 */