1 files changed, 30 insertions, 0 deletions

diff --git a/include/linux/raid/raid0.h b/include/linux/raid/raid0.h
new file mode 100644
index 000000000000..1b2dda035f8e
--- /dev/null
+++ b/include/linux/raid/raid0.h
@@ -0,0 +1,30 @@
+#ifndef _RAID0_H
+#define _RAID0_H
+
+#include <linux/raid/md.h>
+
+struct strip_zone
+{
+        sector_t zone_offset;   /* Zone offset in md_dev */
+        sector_t dev_offset;    /* Zone offset in real dev */
+        sector_t size;          /* Zone size */
+        int nb_dev;             /* # of devices attached to the zone */
+        mdk_rdev_t **dev;       /* Devices attached to the zone */
+};
+
+struct raid0_private_data
+{
+        struct strip_zone **hash_table; /* Table of indexes into strip_zone */
+        struct strip_zone *strip_zone;
+        mdk_rdev_t **devlist; /* lists of rdevs, pointed to by strip_zone->dev */
+        int nr_strip_zones;
+
+        sector_t hash_spacing;
+        int preshift;                   /* shift this before divide by hash_spacing */
+};
+
+typedef struct raid0_private_data raid0_conf_t;
+
+#define mddev_to_conf(mddev) ((raid0_conf_t *) mddev->private)
+
+#endif