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-rw-r--r--include/linux/raid/raid0.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/include/linux/raid/raid0.h b/include/linux/raid/raid0.h
new file mode 100644
index 000000000..3ea74db60
--- /dev/null
+++ b/include/linux/raid/raid0.h
@@ -0,0 +1,33 @@
+#ifndef _RAID0_H
+#define _RAID0_H
+
+#include <linux/raid/md.h>
+
+struct strip_zone
+{
+ int zone_offset; /* Zone offset in md_dev */
+ int dev_offset; /* Zone offset in real dev */
+ int size; /* Zone size */
+ int nb_dev; /* # of devices attached to the zone */
+ mdk_rdev_t *dev[MAX_REAL]; /* Devices attached to the zone */
+};
+
+struct raid0_hash
+{
+ struct strip_zone *zone0, *zone1;
+};
+
+struct raid0_private_data
+{
+ struct raid0_hash *hash_table; /* Dynamically allocated */
+ struct strip_zone *strip_zone; /* This one too */
+ int nr_strip_zones;
+ struct strip_zone *smallest;
+ int nr_zones;
+};
+
+typedef struct raid0_private_data raid0_conf_t;
+
+#define mddev_to_conf(mddev) ((raid0_conf_t *) mddev->private)
+
+#endif