XLOG_ACTIVE_RECOVERY
set_bit(XLOG_ACTIVE_RECOVERY, &log->l_opstate);
clear_bit(XLOG_ACTIVE_RECOVERY, &log->l_opstate);
return test_bit(XLOG_ACTIVE_RECOVERY, &log->l_opstate);
clear_bit(XLOG_ACTIVE_RECOVERY, &log->l_opstate);