diff --git a/fs/block_dev.c b/fs/block_dev.c
index 33650fc..57e2786 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -902,6 +902,7 @@
 		       "%s: detected capacity change from %lld to %lld\n",
 		       name, bdev_size, disk_size);
 		i_size_write(bdev->bd_inode, disk_size);
+		flush_disk(bdev);
 	}
 }
 EXPORT_SYMBOL(check_disk_size_change);