2720 	unsigned argc;  in parse_pool_features()  local
2730 	if (!as->argc)  in parse_pool_features()
2733 	r = dm_read_arg_group(_args, as, &argc, &ti->error);  in parse_pool_features()
2737 	while (argc && !r) {  in parse_pool_features()
2739 		argc--;  in parse_pool_features()
2840 static int pool_ctr(struct dm_target *ti, unsigned argc, char **argv)  in pool_ctr()  argument
2858 	if (argc < 4) {  in pool_ctr()
2864 	as.argc = argc;  in pool_ctr()
3219 static int check_arg_count(unsigned argc, unsigned args_required)  in check_arg_count()  argument
3221 	if (argc != args_required) {  in check_arg_count()
3223 		       argc, args_required);  in check_arg_count()
3242 static int process_create_thin_mesg(unsigned argc, char **argv, struct pool *pool)  in process_create_thin_mesg()  argument
3247 	r = check_arg_count(argc, 2);  in process_create_thin_mesg()
3265 static int process_create_snap_mesg(unsigned argc, char **argv, struct pool *pool)  in process_create_snap_mesg()  argument
3271 	r = check_arg_count(argc, 3);  in process_create_snap_mesg()
3293 static int process_delete_mesg(unsigned argc, char **argv, struct pool *pool)  in process_delete_mesg()  argument
3298 	r = check_arg_count(argc, 2);  in process_delete_mesg()
3313 static int process_set_transaction_id_mesg(unsigned argc, char **argv, struct pool *pool)  in process_set_transaction_id_mesg()  argument
3318 	r = check_arg_count(argc, 3);  in process_set_transaction_id_mesg()
3342 static int process_reserve_metadata_snap_mesg(unsigned argc, char **argv, struct pool *pool)  in process_reserve_metadata_snap_mesg()  argument
3346 	r = check_arg_count(argc, 1);  in process_reserve_metadata_snap_mesg()
3359 static int process_release_metadata_snap_mesg(unsigned argc, char **argv, struct pool *pool)  in process_release_metadata_snap_mesg()  argument
3363 	r = check_arg_count(argc, 1);  in process_release_metadata_snap_mesg()
3383 static int pool_message(struct dm_target *ti, unsigned argc, char **argv)  in pool_message()  argument
3396 		r = process_create_thin_mesg(argc, argv, pool);  in pool_message()
3399 		r = process_create_snap_mesg(argc, argv, pool);  in pool_message()
3402 		r = process_delete_mesg(argc, argv, pool);  in pool_message()
3405 		r = process_set_transaction_id_mesg(argc, argv, pool);  in pool_message()
3408 		r = process_reserve_metadata_snap_mesg(argc, argv, pool);  in pool_message()
3411 		r = process_release_metadata_snap_mesg(argc, argv, pool);  in pool_message()
3737 static int thin_ctr(struct dm_target *ti, unsigned argc, char **argv)  in thin_ctr()  argument
3747 	if (argc != 2 && argc != 3) {  in thin_ctr()
3766 	if (argc == 3) {  in thin_ctr()