jbd2_update_log_tail  899 fs/jbd2/commit.c 		jbd2_update_log_tail(journal, first_tid, first_block);
jbd2_update_log_tail 1282 include/linux/jbd2.h void jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block);
jbd2_update_log_tail  313 include/trace/events/jbd2.h TRACE_EVENT(jbd2_update_log_tail,