--- zzzz-none-000/linux-4.9.231/include/linux/dcache.h	2020-07-22 07:10:54.000000000 +0000
+++ falcon-5590-729/linux-4.9.231/include/linux/dcache.h	2022-03-30 12:03:35.000000000 +0000
@@ -212,6 +212,7 @@
 
 #define DCACHE_PAR_LOOKUP		0x10000000 /* being looked up (with parent locked shared) */
 #define DCACHE_DENTRY_CURSOR		0x20000000
+#define DCACHE_FSNOTIFY_PARENT_WATCHED_RECURSIVLY	0x40000000
 
 extern seqlock_t rename_lock;