--- zzzz-none-000/linux-4.1.52/include/uapi/linux/inotify.h	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/include/uapi/linux/inotify.h	2022-03-02 11:37:13.000000000 +0000
@@ -56,6 +56,8 @@
 #define IN_ISDIR		0x40000000	/* event occurred against dir */
 #define IN_ONESHOT		0x80000000	/* only send event once */
 
+#define IN_RECURSIVE	0x10000000	/* use recursive events */
+
 /*
  * All of the events - we build the list by hand so that we can add flags in
  * the future and not break backward compatibility.  Apps will get only the