41 	unsigned nr_paths;		/* Number of paths in path_list. */  member
59 static struct switch_ctx *alloc_switch_ctx(struct dm_target *ti, unsigned nr_paths,  in alloc_switch_ctx()  argument
64 	sctx = kzalloc(struct_size(sctx, path_list, nr_paths), GFP_KERNEL);  in alloc_switch_ctx()
76 static int alloc_region_table(struct dm_target *ti, unsigned nr_paths)  in alloc_region_table()  argument
89 	       (region_table_slot_t)1 << sctx->region_table_entry_bits < nr_paths)  in alloc_region_table()
168 	if (unlikely(path_nr >= sctx->nr_paths))  in switch_get_path_nr()
199 		if (++path_nr >= sctx->nr_paths)  in initialise_region_table()
211 			  &sctx->path_list[sctx->nr_paths].dmdev);  in parse_path()
219 		dm_put_device(ti, sctx->path_list[sctx->nr_paths].dmdev);  in parse_path()
223 	sctx->path_list[sctx->nr_paths].start = start;  in parse_path()
225 	sctx->nr_paths++;  in parse_path()
237 	while (sctx->nr_paths--)  in switch_dtr()
238 		dm_put_device(ti, sctx->path_list[sctx->nr_paths].dmdev);  in switch_dtr()
262 	unsigned nr_paths, region_size, nr_optional_args;  in switch_ctr()  local
268 	r = dm_read_arg(_args, &as, &nr_paths, &ti->error);  in switch_ctr()
281 	if (as.argc != nr_paths * 2) {  in switch_ctr()
286 	sctx = alloc_switch_ctx(ti, nr_paths, region_size);  in switch_ctr()
302 	r = alloc_region_table(ti, nr_paths);  in switch_ctr()
453 		if (unlikely(path_nr >= sctx->nr_paths)) {  in process_set_region_mappings()
454 			DMWARN("invalid set_region_mappings device: %lu >= %u", path_nr, sctx->nr_paths);  in process_set_region_mappings()
502 		DMEMIT("%u %u 0", sctx->nr_paths, sctx->region_size);  in switch_status()
503 		for (path_nr = 0; path_nr < sctx->nr_paths; path_nr++)  in switch_status()
540 	for (path_nr = 0; path_nr < sctx->nr_paths; path_nr++) {  in switch_iterate_devices()