rw_attribute
rw_attribute(congested_read_threshold_us);
rw_attribute(congested_write_threshold_us);
rw_attribute(sequential_cutoff);
rw_attribute(data_csum);
rw_attribute(cache_mode);
rw_attribute(readahead_cache_policy);
rw_attribute(stop_when_cache_set_failed);
rw_attribute(writeback_metadata);
rw_attribute(writeback_running);
rw_attribute(writeback_percent);
rw_attribute(writeback_delay);
rw_attribute(writeback_rate);
rw_attribute(writeback_consider_fragment);
rw_attribute(writeback_rate_update_seconds);
rw_attribute(writeback_rate_i_term_inverse);
rw_attribute(writeback_rate_p_term_inverse);
rw_attribute(writeback_rate_fp_term_low);
rw_attribute(writeback_rate_fp_term_mid);
rw_attribute(writeback_rate_fp_term_high);
rw_attribute(writeback_rate_minimum);
rw_attribute(synchronous);
rw_attribute(journal_delay_ms);
rw_attribute(io_disable);
rw_attribute(running);
rw_attribute(label);
rw_attribute(errors);
rw_attribute(io_error_limit);
rw_attribute(io_error_halflife);
rw_attribute(verify);
rw_attribute(bypass_torture_test);
rw_attribute(key_merging_disabled);
rw_attribute(gc_always_rewrite);
rw_attribute(expensive_debug_checks);
rw_attribute(cache_replacement_policy);
rw_attribute(btree_shrinker_disabled);
rw_attribute(copy_gc_enabled);
rw_attribute(idle_max_writeback_rate);
rw_attribute(gc_after_writeback);
rw_attribute(size);