diff --git a/protobuf/fsnotify.proto b/protobuf/fsnotify.proto
index d75177025..1c8ae4c62 100644
--- a/protobuf/fsnotify.proto
+++ b/protobuf/fsnotify.proto
@@ -16,3 +16,31 @@ message inotify_file_entry {
 	required uint32		flags		= 2;
 	required fown_entry	fown		= 4;
 }
+
+enum mark_type {
+	INODE	= 1;
+	MOUNT	= 2;
+}
+
+message fanotify_mark_entry {
+	required uint32		id		= 1;
+	required mark_type	type		= 2;
+
+	required uint64		i_ino		= 3;
+	required uint32		s_dev		= 4;
+	required uint32		mflags		= 5;
+	required uint32		mask		= 6;
+	required uint32		ignored_mask	= 7;
+
+	optional uint32		mnt_id		= 8;
+	optional fh_entry	f_handle	= 9;
+}
+
+message fanotify_file_entry {
+	required uint32		id		= 1;
+	required uint32		flags		= 2;
+	required fown_entry	fown		= 3;
+
+	required uint32		faflags		= 4;
+	required uint32		evflags		= 5;
+}