1 files changed, 8 insertions, 7 deletions

diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index efa5535a8e1d..505026f0025c 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -609,12 +609,12 @@ static void virtblk_config_changed(struct virtio_device *vdev)
 static int init_vq(struct virtio_blk *vblk)
 {
 	int err;
-	int i;
+	unsigned short i;
 	vq_callback_t **callbacks;
 	const char **names;
 	struct virtqueue **vqs;
 	unsigned short num_vqs;
-	unsigned int num_poll_vqs;
+	unsigned short num_poll_vqs;
 	struct virtio_device *vdev = vblk->vdev;
 	struct irq_affinity desc = { 0, };
 
@@ -658,13 +658,13 @@ static int init_vq(struct virtio_blk *vblk)
 
 	for (i = 0; i < num_vqs - num_poll_vqs; i++) {
 		callbacks[i] = virtblk_done;
-		snprintf(vblk->vqs[i].name, VQ_NAME_LEN, "req.%d", i);
+		snprintf(vblk->vqs[i].name, VQ_NAME_LEN, "req.%u", i);
 		names[i] = vblk->vqs[i].name;
 	}
 
 	for (; i < num_vqs; i++) {
 		callbacks[i] = NULL;
-		snprintf(vblk->vqs[i].name, VQ_NAME_LEN, "req_poll.%d", i);
+		snprintf(vblk->vqs[i].name, VQ_NAME_LEN, "req_poll.%u", i);
 		names[i] = vblk->vqs[i].name;
 	}
 
@@ -1206,14 +1206,15 @@ static int virtblk_freeze(struct virtio_device *vdev)
 {
 	struct virtio_blk *vblk = vdev->priv;
 
+	/* Ensure no requests in virtqueues before deleting vqs. */
+	blk_mq_freeze_queue(vblk->disk->queue);
+
 	/* Ensure we don't receive any more interrupts */
 	virtio_reset_device(vdev);
 
 	/* Make sure no work handler is accessing the device. */
 	flush_work(&vblk->config_work);
 
-	blk_mq_quiesce_queue(vblk->disk->queue);
-
 	vdev->config->del_vqs(vdev);
 	kfree(vblk->vqs);
 
@@ -1231,7 +1232,7 @@ static int virtblk_restore(struct virtio_device *vdev)
 
 	virtio_device_ready(vdev);
 
-	blk_mq_unquiesce_queue(vblk->disk->queue);
+	blk_mq_unfreeze_queue(vblk->disk->queue);
 	return 0;
 }
 #endif