v4.19.13 snapshot.
diff --git a/drivers/md/raid0.h b/drivers/md/raid0.h
new file mode 100644
index 0000000..540e65d
--- /dev/null
+++ b/drivers/md/raid0.h
@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _RAID0_H
+#define _RAID0_H
+
+struct strip_zone {
+ sector_t zone_end; /* Start of the next zone (in sectors) */
+ sector_t dev_start; /* Zone offset in real dev (in sectors) */
+ int nb_dev; /* # of devices attached to the zone */
+};
+
+struct r0conf {
+ struct strip_zone *strip_zone;
+ struct md_rdev **devlist; /* lists of rdevs, pointed to
+ * by strip_zone->dev */
+ int nr_strip_zones;
+};
+
+#endif