diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index c4a60badf252caee7bffff38cc0cf115d0bd81a4..0e4ef3de9d5deb6fab10c5ef0fb5678ec610a3be 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -351,6 +351,7 @@ static void virtblk_config_changed_work(struct work_struct *work)
 		  cap_str_10, cap_str_2);
 
 	set_capacity(vblk->disk, capacity);
+	revalidate_disk(vblk->disk);
 done:
 	mutex_unlock(&vblk->config_lock);
 }