1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/md/raid0.h b/drivers/md/raid0.h
index 91f8e876ee64..d724e664ca4d 100644
--- a/drivers/md/raid0.h
+++ b/drivers/md/raid0.h
@@ -13,6 +13,9 @@ struct raid0_private_data
         struct strip_zone *strip_zone;
         mdk_rdev_t **devlist; /* lists of rdevs, pointed to by strip_zone->dev */
         int nr_strip_zones;
+        int scale_raid_disks; /* divide rdev->raid_disks by this in run()
+                               * to handle conversion from raid10
+                               */
 };
 
 typedef struct raid0_private_data raid0_conf_t;