xref: /linux/drivers/md/raid0.h (revision 93df8a1ed6231727c5db94a80b1a6bd5ee67cec3)
1 #ifndef _RAID0_H
2 #define _RAID0_H
3 
4 struct strip_zone {
5 	sector_t zone_end;	/* Start of the next zone (in sectors) */
6 	sector_t dev_start;	/* Zone offset in real dev (in sectors) */
7 	int	 nb_dev;	/* # of devices attached to the zone */
8 };
9 
10 struct r0conf {
11 	struct strip_zone	*strip_zone;
12 	struct md_rdev		**devlist; /* lists of rdevs, pointed to
13 					    * by strip_zone->dev */
14 	int			nr_strip_zones;
15 	int			has_merge_bvec;	/* at least one member has
16 						 * a merge_bvec_fn */
17 };
18 
19 #endif
20