u32                     num_sge;
        int                     nents;
        bool                    inline_data;
-       bool                    need_inval;
        struct ib_reg_wr        reg_wr;
        struct ib_cqe           reg_cqe;
        struct nvme_rdma_queue  *queue;
        struct nvme_rdma_request *req = blk_mq_rq_to_pdu(rq);
        int ret = 0;
 
-       if (!req->need_inval)
+       if (!req->mr->need_inval)
                goto out;
 
        ib_dereg_mr(req->mr);
                req->mr = NULL;
        }
 
-       req->need_inval = false;
+       req->mr->need_inval = false;
 
 out:
        return ret;
        if (!blk_rq_bytes(rq))
                return;
 
-       if (req->need_inval) {
+       if (req->mr->need_inval) {
                res = nvme_rdma_inv_rkey(queue, req);
                if (res < 0) {
                        dev_err(ctrl->ctrl.device,
                             IB_ACCESS_REMOTE_READ |
                             IB_ACCESS_REMOTE_WRITE;
 
-       req->need_inval = true;
+       req->mr->need_inval = true;
 
        sg->addr = cpu_to_le64(req->mr->iova);
        put_unaligned_le24(req->mr->length, sg->length);
 
        req->num_sge = 1;
        req->inline_data = false;
-       req->need_inval = false;
+       req->mr->need_inval = false;
 
        c->common.flags |= NVME_CMD_SGL_METABUF;
 
 
        if ((wc->wc_flags & IB_WC_WITH_INVALIDATE) &&
            wc->ex.invalidate_rkey == req->mr->rkey)
-               req->need_inval = false;
+               req->mr->need_inval = false;
 
        blk_mq_complete_request(rq, status);
 
        if (rq->cmd_type == REQ_TYPE_FS && req_op(rq) == REQ_OP_FLUSH)
                flush = true;
        ret = nvme_rdma_post_send(queue, sqe, req->sge, req->num_sge,
-                       req->need_inval ? &req->reg_wr.wr : NULL, flush);
+                       req->mr->need_inval ? &req->reg_wr.wr : NULL, flush);
        if (ret) {
                nvme_rdma_unmap_data(queue, rq);
                goto err;