Import changeset

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 000000000000..0b93729576cd
--- /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
+{
+	unsigned long zone_offset;	/* Zone offset in md_dev */
+	unsigned long dev_offset;	/* Zone offset in real dev */
+	unsigned long size;		/* Zone size */
+	int nb_dev;			/* # of devices attached to the zone */
+	mdk_rdev_t *dev[MD_SB_DISKS]; /* 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