| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef _RAID0_H |
| 2 | #define _RAID0_H |
| 3 | |
| 4 | #include <linux/raid/md.h> |
| 5 | |
| 6 | struct 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 | |
| 15 | struct 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 | |
| 26 | typedef struct raid0_private_data raid0_conf_t; |
| 27 | |
| 28 | #define mddev_to_conf(mddev) ((raid0_conf_t *) mddev->private) |
| 29 | |
| 30 | #endif |