235 	struct pool_features pf;  member
1229 		if (len < pool->sectors_per_block && pool->pf.zero_new_blocks) {  in schedule_copy()
1268 	if (pool->pf.zero_new_blocks) {  in schedule_zero()
1425 		return pool->pf.error_if_no_space ? -ENOSPC : 0;  in should_error_unserviceable_bio()
2247 	if (get_pool_mode(pool) == PM_OUT_OF_DATA_SPACE && !pool->pf.error_if_no_space) {  in do_no_space_timeout()
2248 		pool->pf.error_if_no_space = true;  in do_no_space_timeout()
2319 	return pool->pf.mode;  in get_pool_mode()
2331 	if (!pool->pf.error_if_no_space)  in notify_of_pool_mode_change_to_oods()
2428 		if (!pool->pf.error_if_no_space && no_space_timeout)  in set_pool_mode()
2435 		pool->pf.error_if_no_space = pt->requested_pf.error_if_no_space;  in set_pool_mode()
2445 	pool->pf.mode = new_mode;  in set_pool_mode()
2715 	pool->pf = pt->adjusted_pf;  in bind_control_target()
2733 static void pool_features_init(struct pool_features *pf)  in pool_features_init()  argument
2735 	pf->mode = PM_WRITE;  in pool_features_init()
2736 	pf->zero_new_blocks = true;  in pool_features_init()
2737 	pf->discard_enabled = true;  in pool_features_init()
2738 	pf->discard_passdown = true;  in pool_features_init()
2739 	pf->error_if_no_space = false;  in pool_features_init()
2797 	pool_features_init(&pool->pf);  in pool_create()
2959 static int parse_pool_features(struct dm_arg_set *as, struct pool_features *pf,  in parse_pool_features()  argument
2985 			pf->zero_new_blocks = false;  in parse_pool_features()
2988 			pf->discard_enabled = false;  in parse_pool_features()
2991 			pf->discard_passdown = false;  in parse_pool_features()
2994 			pf->mode = PM_READ_ONLY;  in parse_pool_features()
2997 			pf->error_if_no_space = true;  in parse_pool_features()
3088 	struct pool_features pf;  in pool_ctr()  local
3113 	pool_features_init(&pf);  in pool_ctr()
3116 	r = parse_pool_features(&as, &pf, ti);  in pool_ctr()
3120 	metadata_mode = FMODE_READ | ((pf.mode == PM_READ_ONLY) ? 0 : FMODE_WRITE);  in pool_ctr()
3156 			   block_size, pf.mode == PM_READ_ONLY, &ti->error, &pool_created);  in pool_ctr()
3168 	if (!pool_created && pf.discard_enabled != pool->pf.discard_enabled) {  in pool_ctr()
3179 	pt->adjusted_pf = pt->requested_pf = pf;  in pool_ctr()
3188 	if (pf.discard_enabled && pf.discard_passdown) {  in pool_ctr()
3665 static void emit_flags(struct pool_features *pf, char *result,  in emit_flags()  argument
3668 	unsigned count = !pf->zero_new_blocks + !pf->discard_enabled +  in emit_flags()
3669 		!pf->discard_passdown + (pf->mode == PM_READ_ONLY) +  in emit_flags()
3670 		pf->error_if_no_space;  in emit_flags()
3673 	if (!pf->zero_new_blocks)  in emit_flags()
3676 	if (!pf->discard_enabled)  in emit_flags()
3679 	if (!pf->discard_passdown)  in emit_flags()
3682 	if (pf->mode == PM_READ_ONLY)  in emit_flags()
3685 	if (pf->error_if_no_space)  in emit_flags()
3776 		if (pool->pf.mode == PM_OUT_OF_DATA_SPACE)  in pool_status()
3778 		else if (pool->pf.mode == PM_READ_ONLY)  in pool_status()
3783 		if (!pool->pf.discard_enabled)  in pool_status()
3785 		else if (pool->pf.discard_passdown)  in pool_status()
3790 		if (pool->pf.error_if_no_space)  in pool_status()
4044 	if (tc->pool->pf.discard_enabled) {  in thin_ctr()
4254 	if (!pool->pf.discard_enabled)  in thin_io_hints()