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