227 	struct pool_features pf;  member
1060 		if (len < pool->sectors_per_block && pool->pf.zero_new_blocks) {  in schedule_copy()
1098 	if (!pool->pf.zero_new_blocks)  in schedule_zero()
1257 		return pool->pf.error_if_no_space ? -ENOSPC : 0;  in should_error_unserviceable_bio()
1335 			m->pass_discard = pool->pf.discard_passdown;  in process_discard_cell()
1356 			if ((!lookup_result.shared) && pool->pf.discard_passdown)  in process_discard_cell()
2027 	if (get_pool_mode(pool) == PM_OUT_OF_DATA_SPACE && !pool->pf.error_if_no_space)  in do_no_space_timeout()
2096 	return pool->pf.mode;  in get_pool_mode()
2180 		if (!pool->pf.error_if_no_space && no_space_timeout)  in set_pool_mode()
2197 	pool->pf.mode = new_mode;  in set_pool_mode()
2472 	pool->pf = pt->adjusted_pf;  in bind_control_target()
2490 static void pool_features_init(struct pool_features *pf)  in pool_features_init()  argument
2492 	pf->mode = PM_WRITE;  in pool_features_init()
2493 	pf->zero_new_blocks = true;  in pool_features_init()
2494 	pf->discard_enabled = true;  in pool_features_init()
2495 	pf->discard_passdown = true;  in pool_features_init()
2496 	pf->error_if_no_space = false;  in pool_features_init()
2554 	pool_features_init(&pool->pf);  in pool_create()
2716 static int parse_pool_features(struct dm_arg_set *as, struct pool_features *pf,  in parse_pool_features()  argument
2742 			pf->zero_new_blocks = false;  in parse_pool_features()
2745 			pf->discard_enabled = false;  in parse_pool_features()
2748 			pf->discard_passdown = false;  in parse_pool_features()
2751 			pf->mode = PM_READ_ONLY;  in parse_pool_features()
2754 			pf->error_if_no_space = true;  in parse_pool_features()
2845 	struct pool_features pf;  in pool_ctr()  local
2870 	pool_features_init(&pf);  in pool_ctr()
2873 	r = parse_pool_features(&as, &pf, ti);  in pool_ctr()
2877 	metadata_mode = FMODE_READ | ((pf.mode == PM_READ_ONLY) ? 0 : FMODE_WRITE);  in pool_ctr()
2913 			   block_size, pf.mode == PM_READ_ONLY, &ti->error, &pool_created);  in pool_ctr()
2925 	if (!pool_created && pf.discard_enabled != pool->pf.discard_enabled) {  in pool_ctr()
2936 	pt->adjusted_pf = pt->requested_pf = pf;  in pool_ctr()
2945 	if (pf.discard_enabled && pf.discard_passdown) {  in pool_ctr()
3422 static void emit_flags(struct pool_features *pf, char *result,  in emit_flags()  argument
3425 	unsigned count = !pf->zero_new_blocks + !pf->discard_enabled +  in emit_flags()
3426 		!pf->discard_passdown + (pf->mode == PM_READ_ONLY) +  in emit_flags()
3427 		pf->error_if_no_space;  in emit_flags()
3430 	if (!pf->zero_new_blocks)  in emit_flags()
3433 	if (!pf->discard_enabled)  in emit_flags()
3436 	if (!pf->discard_passdown)  in emit_flags()
3439 	if (pf->mode == PM_READ_ONLY)  in emit_flags()
3442 	if (pf->error_if_no_space)  in emit_flags()
3532 		if (pool->pf.mode == PM_OUT_OF_DATA_SPACE)  in pool_status()
3534 		else if (pool->pf.mode == PM_READ_ONLY)  in pool_status()
3539 		if (!pool->pf.discard_enabled)  in pool_status()
3541 		else if (pool->pf.discard_passdown)  in pool_status()
3546 		if (pool->pf.error_if_no_space)  in pool_status()
3825 	if (tc->pool->pf.discard_enabled) {  in thin_ctr()