10#ifndef JOURNAL_HEAD_H_INCLUDED
11#define JOURNAL_HEAD_H_INCLUDED
struct transaction_s transaction_t
transaction_t * b_next_transaction
transaction_t * b_cp_transaction
transaction_t * b_transaction
struct journal_head * b_tprev
struct buffer_head * b_bh
struct journal_head * b_tnext
struct journal_head * b_cpnext
struct journal_head * b_cpprev