2963 	unsigned argc;  in parse_pool_features()  local
2973 	if (!as->argc)  in parse_pool_features()
2976 	r = dm_read_arg_group(_args, as, &argc, &ti->error);  in parse_pool_features()
2980 	while (argc && !r) {  in parse_pool_features()
2982 		argc--;  in parse_pool_features()
3083 static int pool_ctr(struct dm_target *ti, unsigned argc, char **argv)  in pool_ctr()  argument
3101 	if (argc < 4) {  in pool_ctr()
3107 	as.argc = argc;  in pool_ctr()
3462 static int check_arg_count(unsigned argc, unsigned args_required)  in check_arg_count()  argument
3464 	if (argc != args_required) {  in check_arg_count()
3466 		       argc, args_required);  in check_arg_count()
3485 static int process_create_thin_mesg(unsigned argc, char **argv, struct pool *pool)  in process_create_thin_mesg()  argument
3490 	r = check_arg_count(argc, 2);  in process_create_thin_mesg()
3508 static int process_create_snap_mesg(unsigned argc, char **argv, struct pool *pool)  in process_create_snap_mesg()  argument
3514 	r = check_arg_count(argc, 3);  in process_create_snap_mesg()
3536 static int process_delete_mesg(unsigned argc, char **argv, struct pool *pool)  in process_delete_mesg()  argument
3541 	r = check_arg_count(argc, 2);  in process_delete_mesg()
3556 static int process_set_transaction_id_mesg(unsigned argc, char **argv, struct pool *pool)  in process_set_transaction_id_mesg()  argument
3561 	r = check_arg_count(argc, 3);  in process_set_transaction_id_mesg()
3585 static int process_reserve_metadata_snap_mesg(unsigned argc, char **argv, struct pool *pool)  in process_reserve_metadata_snap_mesg()  argument
3589 	r = check_arg_count(argc, 1);  in process_reserve_metadata_snap_mesg()
3602 static int process_release_metadata_snap_mesg(unsigned argc, char **argv, struct pool *pool)  in process_release_metadata_snap_mesg()  argument
3606 	r = check_arg_count(argc, 1);  in process_release_metadata_snap_mesg()
3626 static int pool_message(struct dm_target *ti, unsigned argc, char **argv)  in pool_message()  argument
3639 		r = process_create_thin_mesg(argc, argv, pool);  in pool_message()
3642 		r = process_create_snap_mesg(argc, argv, pool);  in pool_message()
3645 		r = process_delete_mesg(argc, argv, pool);  in pool_message()
3648 		r = process_set_transaction_id_mesg(argc, argv, pool);  in pool_message()
3651 		r = process_reserve_metadata_snap_mesg(argc, argv, pool);  in pool_message()
3654 		r = process_release_metadata_snap_mesg(argc, argv, pool);  in pool_message()
3956 static int thin_ctr(struct dm_target *ti, unsigned argc, char **argv)  in thin_ctr()  argument
3966 	if (argc != 2 && argc != 3) {  in thin_ctr()
3985 	if (argc == 3) {  in thin_ctr()