jbd2_journal_cancel_revoke  750 fs/jbd2/transaction.c 	jbd2_journal_cancel_revoke(handle, jh);
jbd2_journal_cancel_revoke  862 fs/jbd2/transaction.c 	jbd2_journal_cancel_revoke(handle, jh);
jbd2_journal_cancel_revoke 1114 include/linux/jbd2.h extern int	   jbd2_journal_cancel_revoke(handle_t *, struct journal_head *);