/* SPDX-License-Identifier: GPL-2.0 */#ifndef _RAID0_H#define _RAID0_H struct strip_zone {	sector_t zone_end;	/* Start of the next zone (in sectors) */	sector_t dev_start;	/* Zone offset in real dev (in sectors) */	int	 nb_dev;	/* # of devices attached to the zone */	int	 disk_shift;	/* start disk for the original layout */}; /* Linux 3.14 (20d0189b101) made an unintended change to * the RAID0 layout for multi-zone arrays (where devices aren't all * the same size. * RAID0_ORIG_LAYOUT restores the original layout * RAID0_ALT_MULTIZONE_LAYOUT uses the altered layout * The layouts are identical when there is only one zone (all * devices the same size). */ enum r0layout {	RAID0_ORIG_LAYOUT = 1,	RAID0_ALT_MULTIZONE_LAYOUT = 2,};struct r0conf {	struct strip_zone	*strip_zone;	struct md_rdev		**devlist; /* lists of rdevs, pointed to					    * by strip_zone->dev */	int			nr_strip_zones;	enum r0layout		layout;}; #endif