JOURNAL_REVOKE_DEFAULT_HASH  679 fs/jbd/journal.c 	err = journal_init_revoke(journal, JOURNAL_REVOKE_DEFAULT_HASH);
JOURNAL_REVOKE_DEFAULT_HASH  969 fs/jbd2/journal.c 	err = jbd2_journal_init_revoke(journal, JOURNAL_REVOKE_DEFAULT_HASH);