aufs: for linux-v5.9-rc1, arg of ->handle_event()

Simply follows the commit in mainline,
b54cecf5e2293 2020-07-27 fsnotify: pass dir argument to handle_event() callback
Signed-off-by: J. R. Okajima <hooanon05g@gmail.com>

fs/aufs/hfsnotify.c

@@ -147,8 +147,8 @@ static void au_hfsn_free_group(struct fsnotify_group *group)
 }
 
 static int au_hfsn_handle_event(struct fsnotify_group *group,
-				struct inode *inode,
 				u32 mask, const void *data, int data_type,
+				struct inode *dir,
 				const struct qstr *file_name, u32 cookie,
 				struct fsnotify_iter_info *iter_info)
 {
@@ -165,7 +165,7 @@ static int au_hfsn_handle_event(struct fsnotify_group *group,
 	if (mask & (FS_IN_IGNORED | FS_UNMOUNT))
 		goto out;
 
-	h_dir = inode;
+	h_dir = dir;
 	h_inode = NULL;
 #ifdef AuDbgHnotify
 	au_debug_on();