jbd2_log_do_checkpoint 144 fs/jbd2/checkpoint.c jbd2_log_do_checkpoint(journal); jbd2_log_do_checkpoint 1473 fs/jbd2/journal.c jbd2_log_do_checkpoint(journal); jbd2_log_do_checkpoint 1731 fs/jbd2/journal.c err = jbd2_log_do_checkpoint(journal); jbd2_log_do_checkpoint 1136 include/linux/jbd2.h int jbd2_log_do_checkpoint(journal_t *journal);