Merge branch 'omap-pool'

[linux-2.6-omap-h63xx.git] / drivers / md / raid0.h

diff --git a/drivers/md/raid0.h b/drivers/md/raid0.h
new file mode 100644 (file)
index 0000000..824b12e
--- /dev/null
+++ b/drivers/md/raid0.h
@@ -0,0 +1,28 @@
+#ifndef _RAID0_H
+#define _RAID0_H
+
+struct strip_zone
+{
+       sector_t zone_start;    /* Zone offset in md_dev (in sectors) */
+       sector_t dev_start;     /* Zone offset in real dev (in sectors) */
+       sector_t sectors;       /* Zone size in sectors */
+       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 spacing;
+       int sector_shift; /* shift this before divide by spacing */
+};
+
+typedef struct raid0_private_data raid0_conf_t;
+
+#define mddev_to_conf(mddev) ((raid0_conf_t *) mddev->private)
+
+#endif