jbd2_trans_will_send_data_barrier
!jbd2_trans_will_send_data_barrier(journal, commit_tid))
!jbd2_trans_will_send_data_barrier(sbi->s_journal, target))
EXPORT_SYMBOL(jbd2_trans_will_send_data_barrier);
!jbd2_trans_will_send_data_barrier(journal, commit_tid))
int jbd2_trans_will_send_data_barrier(journal_t *journal, tid_t tid);