/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _LINUX_DNOTIFY_H
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#define _LINUX_DNOTIFY_H
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/*
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* Directory notification for Linux
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*
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* Copyright (C) 2000,2002 Stephen Rothwell
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*/
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#include <linux/fs.h>
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struct dnotify_struct {
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struct dnotify_struct * dn_next;
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__u32 dn_mask;
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int dn_fd;
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struct file * dn_filp;
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fl_owner_t dn_owner;
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};
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#ifdef __KERNEL__
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#ifdef CONFIG_DNOTIFY
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#define DNOTIFY_ALL_EVENTS (FS_DELETE | FS_DELETE_CHILD |\
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FS_MODIFY | FS_MODIFY_CHILD |\
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FS_ACCESS | FS_ACCESS_CHILD |\
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FS_ATTRIB | FS_ATTRIB_CHILD |\
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FS_CREATE | FS_DN_RENAME |\
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FS_MOVED_FROM | FS_MOVED_TO)
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extern int dir_notify_enable;
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extern void dnotify_flush(struct file *, fl_owner_t);
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extern int fcntl_dirnotify(int, struct file *, unsigned long);
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#else
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static inline void dnotify_flush(struct file *filp, fl_owner_t id)
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{
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}
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static inline int fcntl_dirnotify(int fd, struct file *filp, unsigned long arg)
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{
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return -EINVAL;
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}
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#endif /* CONFIG_DNOTIFY */
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#endif /* __KERNEL __ */
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#endif /* _LINUX_DNOTIFY_H */
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