1 #ifndef _RAID0_H
2 #define _RAID0_H
3 
4 #include <linux/raid/md.h>
5 
6 struct strip_zone
7 {
8 	unsigned long zone_offset;	/* Zone offset in md_dev */
9 	unsigned long dev_offset;	/* Zone offset in real dev */
10 	unsigned long size;		/* Zone size */
11 	int nb_dev;			/* # of devices attached to the zone */
12 	mdk_rdev_t *dev[MD_SB_DISKS]; /* Devices attached to the zone */
13 };
14 
15 struct raid0_hash
16 {
17 	struct strip_zone *zone0, *zone1;
18 };
19 
20 struct raid0_private_data
21 {
22 	struct raid0_hash *hash_table; /* Dynamically allocated */
23 	struct strip_zone *strip_zone; /* This one too */
24 	int nr_strip_zones;
25 	struct strip_zone *smallest;
26 	int nr_zones;
27 };
28 
29 typedef struct raid0_private_data raid0_conf_t;
30 
31 #define mddev_to_conf(mddev) ((raid0_conf_t *) mddev->private)
32 
33 #endif
34