| #ifndef _RAID0_H |
| #define _RAID0_H |
| |
| #include <linux/raid/md.h> |
| |
| struct strip_zone |
| { |
| sector_t zone_offset; /* Zone offset in md_dev */ |
| sector_t dev_start; /* Zone offset in real dev (in sectors) */ |
| sector_t size; /* Zone size */ |
| 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 hash_spacing; |
| int preshift; /* shift this before divide by hash_spacing */ |
| }; |
| |
| typedef struct raid0_private_data raid0_conf_t; |
| |
| #define mddev_to_conf(mddev) ((raid0_conf_t *) mddev->private) |
| |
| #endif |