raid0.h
上传用户:szlgq88
上传日期:2009-04-28
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文件大小:1k
- #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_offset; /* Zone offset in real dev */
- 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