40 	struct r0conf *conf = mddev->private;  in dump_zones()  local
41 	int raid_disks = conf->strip_zone[0].nb_dev;  in dump_zones()
44 		 conf->nr_strip_zones, conf->nr_strip_zones==1?"":"s");  in dump_zones()
45 	for (j = 0; j < conf->nr_strip_zones; j++) {  in dump_zones()
49 		for (k = 0; k < conf->strip_zone[j].nb_dev; k++)  in dump_zones()
51 				conf->devlist[j * raid_disks + k]->bdev);  in dump_zones()
54 		zone_size  = conf->strip_zone[j].zone_end - zone_start;  in dump_zones()
57 			(unsigned long long)conf->strip_zone[j].dev_start>>1,  in dump_zones()
59 		zone_start = conf->strip_zone[j].zone_end;  in dump_zones()
70 	struct r0conf *conf = kzalloc(sizeof(*conf), GFP_KERNEL);  in create_strip_zones()  local
74 	if (!conf)  in create_strip_zones()
119 			conf->nr_strip_zones++;  in create_strip_zones()
121 				 mdname(mddev), conf->nr_strip_zones);  in create_strip_zones()
125 		 mdname(mddev), conf->nr_strip_zones);  in create_strip_zones()
140 	conf->strip_zone = kcalloc(conf->nr_strip_zones,  in create_strip_zones()
143 	if (!conf->strip_zone)  in create_strip_zones()
145 	conf->devlist = kzalloc(array3_size(sizeof(struct md_rdev *),  in create_strip_zones()
146 					    conf->nr_strip_zones,  in create_strip_zones()
149 	if (!conf->devlist)  in create_strip_zones()
155 	zone = &conf->strip_zone[0];  in create_strip_zones()
158 	dev = conf->devlist;  in create_strip_zones()
209 	for (i = 1; i < conf->nr_strip_zones; i++)  in create_strip_zones()
213 		zone = conf->strip_zone + i;  in create_strip_zones()
214 		dev = conf->devlist + i * mddev->raid_disks;  in create_strip_zones()
222 			rdev = conf->devlist[j];  in create_strip_zones()
257 	if (conf->nr_strip_zones == 1 || conf->strip_zone[1].nb_dev == 1) {  in create_strip_zones()
258 		conf->layout = RAID0_ORIG_LAYOUT;  in create_strip_zones()
261 		conf->layout = mddev->layout;  in create_strip_zones()
264 		conf->layout = default_layout;  in create_strip_zones()
273 	if (conf->layout == RAID0_ORIG_LAYOUT) {  in create_strip_zones()
274 		for (i = 1; i < conf->nr_strip_zones; i++) {  in create_strip_zones()
275 			sector_t first_sector = conf->strip_zone[i-1].zone_end;  in create_strip_zones()
278 			zone = conf->strip_zone + i;  in create_strip_zones()
286 	*private_conf = conf;  in create_strip_zones()
290 	kfree(conf->strip_zone);  in create_strip_zones()
291 	kfree(conf->devlist);  in create_strip_zones()
292 	kfree(conf);  in create_strip_zones()
300 static struct strip_zone *find_zone(struct r0conf *conf,  in find_zone()  argument
304 	struct strip_zone *z = conf->strip_zone;  in find_zone()
307 	for (i = 0; i < conf->nr_strip_zones; i++)  in find_zone()
325 	struct r0conf *conf = mddev->private;  in map_sector()  local
326 	int raid_disks = conf->strip_zone[0].nb_dev;  in map_sector()
349 	return conf->devlist[(zone - conf->strip_zone)*raid_disks  in map_sector()
368 static void free_conf(struct mddev *mddev, struct r0conf *conf)  in free_conf()  argument
370 	kfree(conf->strip_zone);  in free_conf()
371 	kfree(conf->devlist);  in free_conf()
372 	kfree(conf);  in free_conf()
377 	struct r0conf *conf = priv;  in raid0_free()  local
379 	free_conf(mddev, conf);  in raid0_free()
384 	struct r0conf *conf;  in raid0_run()  local
396 		ret = create_strip_zones(mddev, &conf);  in raid0_run()
399 		mddev->private = conf;  in raid0_run()
401 	conf = mddev->private;  in raid0_run()
429 		free_conf(mddev, conf);  in raid0_run()
450 	struct r0conf *conf = mddev->private;  in raid0_handle_discard()  local
464 	zone = find_zone(conf, &start);  in raid0_handle_discard()
478 	if (zone != conf->strip_zone)  in raid0_handle_discard()
490 	if ((conf->layout == RAID0_ORIG_LAYOUT) && (zone != conf->strip_zone)) {  in raid0_handle_discard()
539 		rdev = conf->devlist[(zone - conf->strip_zone) *  in raid0_handle_discard()
540 			conf->strip_zone[0].nb_dev + disk];  in raid0_handle_discard()
550 	struct r0conf *conf = mddev->private;  in raid0_map_submit_bio()  local
559 	switch (conf->layout) {  in raid0_map_submit_bio()