Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef _RAID0_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define _RAID0_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) struct strip_zone {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 	sector_t zone_end;	/* Start of the next zone (in sectors) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) 	sector_t dev_start;	/* Zone offset in real dev (in sectors) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 	int	 nb_dev;	/* # of devices attached to the zone */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) /* Linux 3.14 (20d0189b101) made an unintended change to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)  * the RAID0 layout for multi-zone arrays (where devices aren't all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)  * the same size.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)  * RAID0_ORIG_LAYOUT restores the original layout
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)  * RAID0_ALT_MULTIZONE_LAYOUT uses the altered layout
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)  * The layouts are identical when there is only one zone (all
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)  * devices the same size).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) enum r0layout {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	RAID0_ORIG_LAYOUT = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	RAID0_ALT_MULTIZONE_LAYOUT = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) struct r0conf {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	struct strip_zone	*strip_zone;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	struct md_rdev		**devlist; /* lists of rdevs, pointed to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 					    * by strip_zone->dev */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	int			nr_strip_zones;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	enum r0layout		layout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #endif