There is only one FID to be operated upon, and the 'sa_valid',
'sa_uid', and 'sa_gid' values take the place of the second 'struct
-lu_fid' in the generic <<struct-mdt-rec-reint>>. See also
-<<struct-lu-fid>>.
+lu_fid' in the generic 'mdt_rec_reint'. See also <<struct-lu-fid>>.
The 'sa_valid' field identifies which of the other fields in the
structure are to be honored. If the corresponding flag bit is not set