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31 lines
772 B
31 lines
772 B
20 years ago
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#ifndef _RAID0_H
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#define _RAID0_H
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#include <linux/raid/md.h>
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struct strip_zone
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{
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sector_t zone_offset; /* Zone offset in md_dev */
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sector_t dev_offset; /* Zone offset in real dev */
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sector_t size; /* Zone size */
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int nb_dev; /* # of devices attached to the zone */
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mdk_rdev_t **dev; /* Devices attached to the zone */
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};
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struct raid0_private_data
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{
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struct strip_zone **hash_table; /* Table of indexes into strip_zone */
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struct strip_zone *strip_zone;
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mdk_rdev_t **devlist; /* lists of rdevs, pointed to by strip_zone->dev */
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int nr_strip_zones;
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sector_t hash_spacing;
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int preshift; /* shift this before divide by hash_spacing */
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};
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typedef struct raid0_private_data raid0_conf_t;
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#define mddev_to_conf(mddev) ((raid0_conf_t *) mddev->private)
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#endif
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