41 	struct r0conf *conf = mddev->private;  in dump_zones()  local
42 	int raid_disks = conf->strip_zone[0].nb_dev;  in dump_zones()
45 		 conf->nr_strip_zones, conf->nr_strip_zones==1?"":"s");  in dump_zones()
46 	for (j = 0; j < conf->nr_strip_zones; j++) {  in dump_zones()
50 		for (k = 0; k < conf->strip_zone[j].nb_dev; k++)  in dump_zones()
52 					bdevname(conf->devlist[j*raid_disks  in dump_zones()
56 		zone_size  = conf->strip_zone[j].zone_end - zone_start;  in dump_zones()
59 			(unsigned long long)conf->strip_zone[j].dev_start>>1,  in dump_zones()
61 		zone_start = conf->strip_zone[j].zone_end;  in dump_zones()
74 	struct r0conf *conf = kzalloc(sizeof(*conf), GFP_KERNEL);  in create_strip_zones()  local
78 	if (!conf)  in create_strip_zones()
123 			conf->nr_strip_zones++;  in create_strip_zones()
125 				 mdname(mddev), conf->nr_strip_zones);  in create_strip_zones()
129 		 mdname(mddev), conf->nr_strip_zones);  in create_strip_zones()
144 	conf->strip_zone = kcalloc(conf->nr_strip_zones,  in create_strip_zones()
147 	if (!conf->strip_zone)  in create_strip_zones()
149 	conf->devlist = kzalloc(array3_size(sizeof(struct md_rdev *),  in create_strip_zones()
150 					    conf->nr_strip_zones,  in create_strip_zones()
153 	if (!conf->devlist)  in create_strip_zones()
159 	zone = &conf->strip_zone[0];  in create_strip_zones()
162 	dev = conf->devlist;  in create_strip_zones()
213 	for (i = 1; i < conf->nr_strip_zones; i++)  in create_strip_zones()
217 		zone = conf->strip_zone + i;  in create_strip_zones()
218 		dev = conf->devlist + i * mddev->raid_disks;  in create_strip_zones()
226 			rdev = conf->devlist[j];  in create_strip_zones()
261 	if (conf->nr_strip_zones == 1 || conf->strip_zone[1].nb_dev == 1) {  in create_strip_zones()
262 		conf->layout = RAID0_ORIG_LAYOUT;  in create_strip_zones()
265 		conf->layout = mddev->layout;  in create_strip_zones()
268 		conf->layout = default_layout;  in create_strip_zones()
278 	*private_conf = conf;  in create_strip_zones()
282 	kfree(conf->strip_zone);  in create_strip_zones()
283 	kfree(conf->devlist);  in create_strip_zones()
284 	kfree(conf);  in create_strip_zones()
292 static struct strip_zone *find_zone(struct r0conf *conf,  in find_zone()  argument
296 	struct strip_zone *z = conf->strip_zone;  in find_zone()
299 	for (i = 0; i < conf->nr_strip_zones; i++)  in find_zone()
317 	struct r0conf *conf = mddev->private;  in map_sector()  local
318 	int raid_disks = conf->strip_zone[0].nb_dev;  in map_sector()
341 	return conf->devlist[(zone - conf->strip_zone)*raid_disks  in map_sector()
364 	struct r0conf *conf;  in raid0_run()  local
376 		ret = create_strip_zones(mddev, &conf);  in raid0_run()
379 		mddev->private = conf;  in raid0_run()
381 	conf = mddev->private;  in raid0_run()
423 	struct r0conf *conf = priv;  in raid0_free()  local
425 	kfree(conf->strip_zone);  in raid0_free()
426 	kfree(conf->devlist);  in raid0_free()
427 	kfree(conf);  in raid0_free()
432 	struct r0conf *conf = mddev->private;  in raid0_handle_discard()  local
444 	zone = find_zone(conf, &start);  in raid0_handle_discard()
457 	if (zone != conf->strip_zone)  in raid0_handle_discard()
502 		rdev = conf->devlist[(zone - conf->strip_zone) *  in raid0_handle_discard()
503 			conf->strip_zone[0].nb_dev + disk];  in raid0_handle_discard()
522 	struct r0conf *conf = mddev->private;  in raid0_make_request()  local
562 	switch (conf->layout) {  in raid0_make_request()