opendir, fsetattr, fsync, lk were sending NULL xdata to the server even though it (xdata) had values within it. Change-Id: Ic274ab903c5c1e443409dd250ede80cd85d10b36 BUG: 826923 Signed-off-by: Raghavendra Bhat <raghavendra@redhat.com> Reviewed-on: http://review.gluster.com/3502 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Amar Tumballi <amarts@redhat.com> Reviewed-by: Anand Avati <avati@redhat.com>