The 'setxattr' variant modifies the semantics of the generic REINT
fields as follows:
-There is only one FID to be operated upon, and the 'sx_valid',
-and the second 'struct lu_fid' is just "padding".
+There is only one FID to be operated upon, and the 'sx_valid', and the
+second 'struct lu_fid' from the generic <<struct-mdt-rec-reint>> is
+just "padding". See also <<struct-lu-fid>>.
The 'sx_valid' field identifies which of the other fields in the
structure are to be honored. If the corresponding flag bit is not set
values draw from the same set of definitions as
<<struct-mdt-rec-setattr>>.
+.SX Valid
+****
.Flags for 'sx_valid' field of 'struct mdt_rec_setxattr'
[options="header"]
|====
| Flag | Meaning
| OBD_MD_FLCTIME | ctime attribute
|====
+****
The 'sx_time' field is set to the 'ctime' value for the update and the
OBD_MD_FLCTIME value is used in the 'sx_valid' field to indicate the