diff options
Diffstat (limited to 'drivers/md/raid0.h')
| -rw-r--r-- | drivers/md/raid0.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/md/raid0.h b/drivers/md/raid0.h new file mode 100644 index 000000000000..824b12eb1d4f --- /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 |