jbd2_journal_revoke  233 fs/ext4/ext4_jbd2.c 	err = jbd2_journal_revoke(handle, blocknr, bh);
jbd2_journal_revoke   70 fs/jbd2/journal.c EXPORT_SYMBOL(jbd2_journal_revoke);
jbd2_journal_revoke 1471 include/linux/jbd2.h extern int	   jbd2_journal_revoke (handle_t *, unsigned long long, struct buffer_head *);