<commit_before>#ifndef _LINUX_FS_NOTIFY_H
#define _LINUX_FS_NOTIFY_H

/*
 * include/linux/fsnotify.h - generic hooks for filesystem notification, to
 * reduce in-source duplication from both dnotify and inotify.
 *
 * We don't compile any of this away in some complicated menagerie of ifdefs.
 * Instead, we rely on the code inside to optimize away as needed.
 *
 * (C) Copyright 2005 <NAME>
 */

#include <linux/dnotify.h>
#include <linux/inotify.h>
#include <linux/fsnotify_backend.h>
#include <linux/audit.h>

/*
 * fsnotify_d_instantiate - instantiate a dentry for inode
 * Called with dcache_lock held.
 */
static inline void fsnotify_d_instantiate(struct dentry *entry,
						struct inode *inode)
{
	__fsnotify_d_instantiate(entry, inode);

	inotify_d_instantiate(entry, inode);
}

/* Notify this dentry's parent about a child's events. */
static inline void fsnotify_parent(struct dentry *dentry, __u32 mask)
{
	__fsnotify_parent(dentry, mask);

	inotify_dentry_parent_queue_event(dentry, mask, 0, dentry->d_name.name);
}

/*
 * fsnotify_d_move - entry has been moved
 * Called with dcache_lock and entry->d_lock held.
 */
static inline void fsnotify_d_move(struct dentry *entry)
{
	/*
	 * On move we need to update entry->d_flags to indicate if the new parent
	 * cares about events from this entry.
	 */
	__fsnotify_update_dcache_flags(entry);

	inotify_d_move(entry);
}

/*
 * fsnotify_link_count - inode's link count changed
 */
static inline void fsnotify_link_count(struct inode *inode)
{
	inotify_inode_queue_event(inode, IN_ATTRIB, 0, NULL, NULL);

	fsnotify(inode, FS_ATTRIB, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
}

/*
 * fsnotify_move - file old_name at old_dir was moved to new_name at new_dir
 */
static inline void fsnotify_move(struct inode *old_dir, struct inode *new_dir,
				 const char *old_name, const char *new_name,
				 int isdir, struct inode *target, struct dentry *moved)
{
	struct inode *source = moved->d_inode;
	u32 in_cookie = inotify_get_cookie();
	u32 fs_cookie = fsnotify_get_cookie();
	__u32 old_dir_mask = 0;
	__u32 new_dir_mask = 0;

	if (old_dir == new_dir) {
		old_dir_mask = FS_DN_RENAME;
	}

	if (isdir) {
		isdir = IN_ISDIR;
		old_dir_mask |= FS_IN_ISDIR;
		new_dir_mask |= FS_IN_ISDIR;
	}

	old_dir_mask |= FS_MOVED_FROM;
	new_dir_mask |= FS_MOVED_TO;

	inotify_inode_queue_event(old_dir, IN_MOVED_FROM|isdir, in_cookie, old_name,
				  source);
	inotify_inode_queue_event(new_dir, IN_MOVED_TO|isdir, in_cookie, new_name,
				  source);

	fsnotify(old_dir, old_dir_mask, old_dir, FSNOTIFY_EVENT_INODE, old_name, fs_cookie);
	fsnotify(new_dir, new_dir_mask, new_dir, FSNOTIFY_EVENT_INODE, new_name, fs_cookie);

	if (target) {
		inotify_inode_queue_event(target, IN_DELETE_SELF, 0, NULL, NULL);
		inotify_inode_is_dead(target);

		/* this is really a link_count change not a removal */
		fsnotify_link_count(target);
	}

	if (source) {
		inotify_inode_queue_event(source, IN_MOVE_SELF, 0, NULL, NULL);
		fsnotify(source, FS_MOVE_SELF, moved->d_inode, FSNOTIFY_EVENT_INODE, NULL, 0);
	}
	audit_inode_child(new_name, moved, new_dir);
}

/*
 * fsnotify_inode_delete - and inode is being evicted from cache, clean up is needed
 */
static inline void fsnotify_inode_delete(struct inode *inode)
{<commit_msg>fsnotify: move events should indicate the event was on a child<commit_after>#ifndef _LINUX_FS_NOTIFY_H
#define _LINUX_FS_NOTIFY_H

/*
 * include/linux/fsnotify.h - generic hooks for filesystem notification, to
 * reduce in-source duplication from both dnotify and inotify.
 *
 * We don't compile any of this away in some complicated menagerie of ifdefs.
 * Instead, we rely on the code inside to optimize away as needed.
 *
 * (C) Copyright 2005 <NAME>
 */

#include <linux/dnotify.h>
#include <linux/inotify.h>
#include <linux/fsnotify_backend.h>
#include <linux/audit.h>

/*
 * fsnotify_d_instantiate - instantiate a dentry for inode
 * Called with dcache_lock held.
 */
static inline void fsnotify_d_instantiate(struct dentry *entry,
						struct inode *inode)
{
	__fsnotify_d_instantiate(entry, inode);

	inotify_d_instantiate(entry, inode);
}

/* Notify this dentry's parent about a child's events. */
static inline void fsnotify_parent(struct dentry *dentry, __u32 mask)
{
	__fsnotify_parent(dentry, mask);

	inotify_dentry_parent_queue_event(dentry, mask, 0, dentry->d_name.name);
}

/*
 * fsnotify_d_move - entry has been moved
 * Called with dcache_lock and entry->d_lock held.
 */
static inline void fsnotify_d_move(struct dentry *entry)
{
	/*
	 * On move we need to update entry->d_flags to indicate if the new parent
	 * cares about events from this entry.
	 */
	__fsnotify_update_dcache_flags(entry);

	inotify_d_move(entry);
}

/*
 * fsnotify_link_count - inode's link count changed
 */
static inline void fsnotify_link_count(struct inode *inode)
{
	inotify_inode_queue_event(inode, IN_ATTRIB, 0, NULL, NULL);

	fsnotify(inode, FS_ATTRIB, inode, FSNOTIFY_EVENT_INODE, NULL, 0);
}

/*
 * fsnotify_move - file old_name at old_dir was moved to new_name at new_dir
 */
static inline void fsnotify_move(struct inode *old_dir, struct inode *new_dir,
				 const char *old_name, const char *new_name,
				 int isdir, struct inode *target, struct dentry *moved)
{
	struct inode *source = moved->d_inode;
	u32 in_cookie = inotify_get_cookie();
	u32 fs_cookie = fsnotify_get_cookie();
	__u32 old_dir_mask = (FS_EVENT_ON_CHILD | FS_MOVED_FROM);
	__u32 new_dir_mask = (FS_EVENT_ON_CHILD | FS_MOVED_TO);

	if (old_dir == new_dir)
		old_dir_mask |= FS_DN_RENAME;

	if (isdir) {
		isdir = IN_ISDIR;
		old_dir_mask |= FS_IN_ISDIR;
		new_dir_mask |= FS_IN_ISDIR;
	}

	inotify_inode_queue_event(old_dir, IN_MOVED_FROM|isdir, in_cookie, old_name,
				  source);
	inotify_inode_queue_event(new_dir, IN_MOVED_TO|isdir, in_cookie, new_name,
				  source);

	fsnotify(old_dir, old_dir_mask, old_dir, FSNOTIFY_EVENT_INODE, old_name, fs_cookie);
	fsnotify(new_dir, new_dir_mask, new_dir, FSNOTIFY_EVENT_INODE, new_name, fs_cookie);

	if (target) {
		inotify_inode_queue_event(target, IN_DELETE_SELF, 0, NULL, NULL);
		inotify_inode_is_dead(target);

		/* this is really a link_count change not a removal */
		fsnotify_link_count(target);
	}

	if (source) {
		inotify_inode_queue_event(source, IN_MOVE_SELF, 0, NULL, NULL);
		fsnotify(source, FS_MOVE_SELF, moved->d_inode, FSNOTIFY_EVENT_INODE, NULL, 0);
	}
	audit_inode_child(new_name, moved, new_dir);
}

/*
 * fsnotify_inode_delete - and inode is being evicted from cache, clean up is needed
 */
static inline void fsnotify_inode_delete(struct inode *inode)
{
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