log_do_checkpoint 135 fs/jbd/checkpoint.c log_do_checkpoint(journal); log_do_checkpoint 1140 fs/jbd/journal.c log_do_checkpoint(journal); log_do_checkpoint 1362 fs/jbd/journal.c err = log_do_checkpoint(journal); log_do_checkpoint 977 include/linux/jbd.h int log_do_checkpoint(journal_t *journal);