v4.19.13 snapshot.
diff --git a/include/linux/dqblk_v1.h b/include/linux/dqblk_v1.h
new file mode 100644
index 0000000..85d837a
--- /dev/null
+++ b/include/linux/dqblk_v1.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * File with in-memory structures of old quota format
+ */
+
+#ifndef _LINUX_DQBLK_V1_H
+#define _LINUX_DQBLK_V1_H
+
+/* Numbers of blocks needed for updates */
+#define V1_INIT_ALLOC 1
+#define V1_INIT_REWRITE 1
+#define V1_DEL_ALLOC 0
+#define V1_DEL_REWRITE 2
+
+#endif /* _LINUX_DQBLK_V1_H */