diff --git a/fs/block_dev.c b/fs/block_dev.c
index 8c3c689..f45dbc1 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -204,6 +204,7 @@
 	}
 	return sync_blockdev(bdev);
 }
+EXPORT_SYMBOL(fsync_bdev);
 
 /**
  * freeze_bdev  --  lock a filesystem and force it into a consistent state