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1#ifndef _RAID0_H 2#define _RAID0_H 3 4#include <linux/raid/md.h> 5 6struct strip_zone 7{ 8 sector_t zone_offset; /* Zone offset in md_dev */ 9 sector_t dev_offset; /* Zone offset in real dev */ 10 sector_t size; /* Zone size */ 11 int nb_dev; /* # of devices attached to the zone */ 12 mdk_rdev_t **dev; /* Devices attached to the zone */ 13}; 14 15struct raid0_private_data 16{ 17 struct strip_zone **hash_table; /* Table of indexes into strip_zone */ 18 struct strip_zone *strip_zone; 19 mdk_rdev_t **devlist; /* lists of rdevs, pointed to by strip_zone->dev */ 20 int nr_strip_zones; 21 22 sector_t hash_spacing; 23 int preshift; /* shift this before divide by hash_spacing */ 24}; 25 26typedef struct raid0_private_data raid0_conf_t; 27 28#define mddev_to_conf(mddev) ((raid0_conf_t *) mddev->private) 29 30#endif