FR_ISREPLY
if (!test_bit(FR_ISREPLY, &req->flags)) {
__set_bit(FR_ISREPLY, &req->flags);
__set_bit(FR_ISREPLY, &req->flags);
__clear_bit(FR_ISREPLY, &req->flags);
if (!test_bit(FR_ISREPLY, &req->flags))
if (test_bit(FR_ISREPLY, &req->flags)) {