--- zzzz-none-000/linux-5.4.213/Documentation/filesystems/nfs/exporting.rst 2022-09-15 10:04:56.000000000 +0000 +++ miami-7690-761/linux-5.4.213/Documentation/filesystems/nfs/exporting.rst 2024-05-29 11:19:50.000000000 +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