--- zzzz-none-000/linux-5.4.213/Documentation/filesystems/nfs/exporting.rst	2022-09-15 10:04:56.000000000 +0000
+++ alder-5690pro-762/linux-5.4.213/Documentation/filesystems/nfs/exporting.rst	2024-08-14 09:01:24.000000000 +0000
@@ -122,12 +122,9 @@
 super_block.  This field must point to a "struct export_operations"
 struct which has the following members:
 
- encode_fh  (optional)
-    Takes a dentry and creates a filehandle fragment which can later be used
-    to find or create a dentry for the same object.  The default
-    implementation creates a filehandle fragment that encodes a 32bit inode
-    and generation number for the inode encoded, and if necessary the
-    same information for the parent.
+  encode_fh (mandatory)
+    Takes a dentry and creates a filehandle fragment which may later be used
+    to find or create a dentry for the same object.
 
   fh_to_dentry (mandatory)
     Given a filehandle fragment, this should find the implied object and