[PATCH] new helper - inotify_clone_watch()

}

EXPORT_SYMBOL_GPL(inotify_add_watch);

/**

 * inotify_clone_watch - put the watch next to existing one

 * @old: already installed watch

 * @new: new watch

 *

 * Caller must hold the inotify_mutex of inode we are dealing with;

 * it is expected to remove the old watch before unlocking the inode.

 */

s32 inotify_clone_watch(struct inotify_watch *old, struct inotify_watch *new)

{

	struct inotify_handle *ih = old->ih;

	int ret = 0;

	new->mask = old->mask;

	new->ih = ih;

	mutex_lock(&ih->mutex);

	/* Initialize a new watch */

	ret = inotify_handle_get_wd(ih, new);

	if (unlikely(ret))

		goto out;

	ret = new->wd;

	get_inotify_handle(ih);

	new->inode = igrab(old->inode);

	list_add(&new->h_list, &ih->watches);

	list_add(&new->i_list, &old->inode->inotify_watches);

out:

	mutex_unlock(&ih->mutex);

	return ret;

}

/**

 * inotify_rm_wd - remove a watch from an inotify instance

 * @ih: inotify handle

				       u32);

extern __s32 inotify_add_watch(struct inotify_handle *, struct inotify_watch *,

			       struct inode *, __u32);

extern __s32 inotify_clone_watch(struct inotify_watch *, struct inotify_watch *);

extern int inotify_rm_watch(struct inotify_handle *, struct inotify_watch *);

extern int inotify_rm_wd(struct inotify_handle *, __u32);

extern void inotify_remove_watch_locked(struct inotify_handle *,