block/rnbd-clt: remove nr argument from send_usr_msg

The argument is not needed since all callers pass 1 for it.
Signed-off-by: Guoqing Jiang <guoqing.jiang@cloud.ionos.com>
Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

drivers/block/rnbd/rnbd-clt.c

@@ -427,7 +427,7 @@ enum wait_type {
 };
 
 static int send_usr_msg(struct rtrs_clt *rtrs, int dir,
-			struct rnbd_iu *iu, struct kvec *vec, size_t nr,
+			struct rnbd_iu *iu, struct kvec *vec,
 			size_t len, struct scatterlist *sg, unsigned int sg_len,
 			void (*conf)(struct work_struct *work),
 			int *errno, enum wait_type wait)
@@ -441,7 +441,7 @@ static int send_usr_msg(struct rtrs_clt *rtrs, int dir,
 		.conf_fn = msg_conf,
 	};
 	err = rtrs_clt_request(dir, &req_ops, rtrs, iu->permit,
-				vec, nr, len, sg, sg_len);
+				vec, 1, len, sg, sg_len);
 	if (!err && wait) {
 		wait_event(iu->comp.wait, iu->comp.errno != INT_MAX);
 		*errno = iu->comp.errno;
@@ -486,7 +486,7 @@ static int send_msg_close(struct rnbd_clt_dev *dev, u32 device_id, bool wait)
 	msg.device_id	= cpu_to_le32(device_id);
 
 	WARN_ON(!rnbd_clt_get_dev(dev));
-	err = send_usr_msg(sess->rtrs, WRITE, iu, &vec, 1, 0, NULL, 0,
+	err = send_usr_msg(sess->rtrs, WRITE, iu, &vec, 0, NULL, 0,
 			   msg_close_conf, &errno, wait);
 	if (err) {
 		rnbd_clt_put_dev(dev);
@@ -575,7 +575,7 @@ static int send_msg_open(struct rnbd_clt_dev *dev, bool wait)
 
 	WARN_ON(!rnbd_clt_get_dev(dev));
 	err = send_usr_msg(sess->rtrs, READ, iu,
-			   &vec, 1, sizeof(*rsp), iu->sglist, 1,
+			   &vec, sizeof(*rsp), iu->sglist, 1,
 			   msg_open_conf, &errno, wait);
 	if (err) {
 		rnbd_clt_put_dev(dev);
@@ -629,7 +629,7 @@ static int send_msg_sess_info(struct rnbd_clt_session *sess, bool wait)
 		goto put_iu;
 	}
 	err = send_usr_msg(sess->rtrs, READ, iu,
-			   &vec, 1, sizeof(*rsp), iu->sglist, 1,
+			   &vec, sizeof(*rsp), iu->sglist, 1,
 			   msg_sess_info_conf, &errno, wait);
 	if (err) {
 		rnbd_clt_put_sess(sess);