diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c
index e52c2d1cb838..870d57a853a4 100644
--- a/drivers/block/ublk_drv.c
+++ b/drivers/block/ublk_drv.c
@@ -235,6 +235,8 @@ struct ublk_device {
 	struct completion	completion;
 	unsigned int		nr_queues_ready;
 	unsigned int		nr_privileged_daemon;
+	struct mutex cancel_mutex;
+	bool canceling;
 };
 
 /* header of ublk_params */
@@ -1589,6 +1591,7 @@ static int ublk_ch_release(struct inode *inode, struct file *filp)
 	 * All requests may be inflight, so ->canceling may not be set, set
 	 * it now.
 	 */
+	ub->canceling = true;
 	for (i = 0; i < ub->dev_info.nr_hw_queues; i++) {
 		struct ublk_queue *ubq = ublk_get_queue(ub, i);
 
@@ -1717,23 +1720,18 @@ static void ublk_abort_queue(struct ublk_device *ub, struct ublk_queue *ubq)
 	}
 }
 
-/* Must be called when queue is frozen */
-static void ublk_mark_queue_canceling(struct ublk_queue *ubq)
+static void ublk_start_cancel(struct ublk_device *ub)
 {
-	spin_lock(&ubq->cancel_lock);
-	if (!ubq->canceling)
-		ubq->canceling = true;
-	spin_unlock(&ubq->cancel_lock);
-}
-
-static void ublk_start_cancel(struct ublk_queue *ubq)
-{
-	struct ublk_device *ub = ubq->dev;
 	struct gendisk *disk = ublk_get_disk(ub);
+	int i;
 
 	/* Our disk has been dead */
 	if (!disk)
 		return;
+
+	mutex_lock(&ub->cancel_mutex);
+	if (ub->canceling)
+		goto out;
 	/*
 	 * Now we are serialized with ublk_queue_rq()
 	 *
@@ -1742,8 +1740,12 @@ static void ublk_start_cancel(struct ublk_queue *ubq)
 	 * touch completed uring_cmd
 	 */
 	blk_mq_quiesce_queue(disk->queue);
-	ublk_mark_queue_canceling(ubq);
+	ub->canceling = true;
+	for (i = 0; i < ub->dev_info.nr_hw_queues; i++)
+		ublk_get_queue(ub, i)->canceling = true;
 	blk_mq_unquiesce_queue(disk->queue);
+out:
+	mutex_unlock(&ub->cancel_mutex);
 	ublk_put_disk(disk);
 }
 
@@ -1816,8 +1818,7 @@ static void ublk_uring_cmd_cancel_fn(struct io_uring_cmd *cmd,
 	if (WARN_ON_ONCE(task && task != io->task))
 		return;
 
-	if (!ubq->canceling)
-		ublk_start_cancel(ubq);
+	ublk_start_cancel(ubq->dev);
 
 	WARN_ON_ONCE(io->cmd != cmd);
 	ublk_cancel_cmd(ubq, pdu->tag, issue_flags);
@@ -1944,6 +1945,7 @@ static void ublk_reset_io_flags(struct ublk_device *ub)
 		ubq->canceling = false;
 		ubq->fail_io = false;
 	}
+	ub->canceling = false;
 }
 
 /* device can only be started after all IOs are ready */
@@ -2652,6 +2654,7 @@ static void ublk_cdev_rel(struct device *dev)
 	ublk_deinit_queues(ub);
 	ublk_free_dev_number(ub);
 	mutex_destroy(&ub->mutex);
+	mutex_destroy(&ub->cancel_mutex);
 	kfree(ub);
 }
 
@@ -3004,6 +3007,7 @@ static int ublk_ctrl_add_dev(const struct ublksrv_ctrl_cmd *header)
 		goto out_unlock;
 	mutex_init(&ub->mutex);
 	spin_lock_init(&ub->lock);
+	mutex_init(&ub->cancel_mutex);
 
 	ret = ublk_alloc_dev_number(ub, header->dev_id);
 	if (ret < 0)
@@ -3075,6 +3079,7 @@ static int ublk_ctrl_add_dev(const struct ublksrv_ctrl_cmd *header)
 	ublk_free_dev_number(ub);
 out_free_ub:
 	mutex_destroy(&ub->mutex);
+	mutex_destroy(&ub->cancel_mutex);
 	kfree(ub);
 out_unlock:
 	mutex_unlock(&ublk_ctl_mutex);
@@ -3429,8 +3434,9 @@ static int ublk_ctrl_quiesce_dev(struct ublk_device *ub,
 	if (ub->dev_info.state != UBLK_S_DEV_LIVE)
 		goto put_disk;
 
-	/* Mark all queues as canceling */
+	/* Mark the device as canceling */
 	blk_mq_quiesce_queue(disk->queue);
+	ub->canceling = true;
 	for (i = 0; i < ub->dev_info.nr_hw_queues; i++) {
 		struct ublk_queue *ubq = ublk_get_queue(ub, i);