DR_INPLACE
if (reqp->dr_flags & DR_INPLACE) {
if (reqp->dr_flags & DR_INPLACE) {
if (reqp->dr_flags & DR_INPLACE) {
reqp->dr_flags |= DR_INPLACE;
reqp->dr_flags |= DR_INPLACE;
reqp->dr_flags |= DR_INPLACE;
reqp->dr_flags |= DR_INPLACE;
|= DR_INPLACE;
|= DR_INPLACE;