1298 	void (*j_fc_cleanup_callback)(struct journal_s *journal, int);
1311 	int (*j_fc_replay_callback)(struct journal_s *journal,
1438 int jbd2_journal_get_log_tail(journal_t *journal, tid_t *tid,
1440 int __jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block);
1441 void jbd2_update_log_tail(journal_t *journal, tid_t tid, unsigned long block);
1447 void __jbd2_journal_clean_checkpoint_list(journal_t *journal, bool destroy);
1448 unsigned long jbd2_journal_shrink_checkpoint_list(journal_t *journal, unsigned long *nr_to_scan);
1450 void jbd2_journal_destroy_checkpoint(journal_t *journal);
1540 extern int	 jbd2_journal_try_to_free_buffers(journal_t *journal, struct page *page);
1542 extern int	 jbd2_journal_flush(journal_t *journal, unsigned int flags);
1559 extern int	   jbd2_journal_load       (journal_t *journal);
1561 extern int	   jbd2_journal_recover    (journal_t *journal);
1584 extern int	   jbd2_journal_begin_ordered_truncate(journal_t *journal,
1587 extern void	   jbd2_journal_release_jbd_inode(journal_t *journal, struct jbd2_inode *jinode);
1645 extern void	jbd2_journal_switch_revoke_table(journal_t *journal);
1646 extern void	jbd2_clear_buffer_revoked_flags(journal_t *journal);
1655 int jbd2_log_start_commit(journal_t *journal, tid_t tid);
1656 int __jbd2_log_start_commit(journal_t *journal, tid_t tid);
1657 int jbd2_journal_start_commit(journal_t *journal, tid_t *tid);
1658 int jbd2_log_wait_commit(journal_t *journal, tid_t tid);
1659 int jbd2_transaction_committed(journal_t *journal, tid_t tid);
1660 int jbd2_complete_transaction(journal_t *journal, tid_t tid);
1661 int jbd2_log_do_checkpoint(journal_t *journal);
1662 int jbd2_trans_will_send_data_barrier(journal_t *journal, tid_t tid);
1664 void __jbd2_log_wait_for_space(journal_t *journal);
1669 int jbd2_fc_begin_commit(journal_t *journal, tid_t tid);
1670 int jbd2_fc_end_commit(journal_t *journal);
1671 int jbd2_fc_end_commit_fallback(journal_t *journal);
1672 int jbd2_fc_get_buf(journal_t *journal, struct buffer_head **bh_out);
1674 int jbd2_wait_inode_data(journal_t *journal, struct jbd2_inode *jinode);
1675 int jbd2_fc_wait_bufs(journal_t *journal, int num_blks);
1676 int jbd2_fc_release_bufs(journal_t *journal);
1678 static inline int jbd2_journal_get_max_txn_bufs(journal_t *journal)  in jbd2_journal_get_max_txn_bufs()  argument
1680 	return (journal->j_total_len - journal->j_fc_wbufsize) / 4;  in jbd2_journal_get_max_txn_bufs()
1693 static inline int is_journal_aborted(journal_t *journal)  in is_journal_aborted()  argument
1695 	return journal->j_flags & JBD2_ABORT;  in is_journal_aborted()
1728 extern size_t journal_tag_bytes(journal_t *journal);
1735 static inline int jbd2_journal_has_csum_v2or3(journal_t *journal)  in jbd2_journal_has_csum_v2or3()  argument
1737 	WARN_ON_ONCE(jbd2_journal_has_csum_v2or3_feature(journal) &&  in jbd2_journal_has_csum_v2or3()
1738 		     journal->j_chksum_driver == NULL);  in jbd2_journal_has_csum_v2or3()
1740 	return journal->j_chksum_driver != NULL;  in jbd2_journal_has_csum_v2or3()
1753 static inline unsigned long jbd2_log_space_left(journal_t *journal)  in jbd2_log_space_left()  argument
1756 	long free = journal->j_free - 32;  in jbd2_log_space_left()
1758 	if (journal->j_committing_transaction) {  in jbd2_log_space_left()
1759 		free -= atomic_read(&journal->  in jbd2_log_space_left()
1782 static inline u32 jbd2_chksum(journal_t *journal, u32 crc,  in jbd2_chksum()  argument
1791 	BUG_ON(crypto_shash_descsize(journal->j_chksum_driver) >  in jbd2_chksum()
1794 	desc.shash.tfm = journal->j_chksum_driver;  in jbd2_chksum()
1804 static inline tid_t  jbd2_get_latest_transaction(journal_t *journal)  in jbd2_get_latest_transaction()  argument
1808 	read_lock(&journal->j_state_lock);  in jbd2_get_latest_transaction()
1809 	tid = journal->j_commit_request;  in jbd2_get_latest_transaction()
1810 	if (journal->j_running_transaction)  in jbd2_get_latest_transaction()
1811 		tid = journal->j_running_transaction->t_tid;  in jbd2_get_latest_transaction()
1812 	read_unlock(&journal->j_state_lock);  in jbd2_get_latest_transaction()
1818 	journal_t *journal;  in jbd2_handle_buffer_credits()  local
1821 		journal = handle->h_transaction->t_journal;  in jbd2_handle_buffer_credits()
1823 		journal = handle->h_journal;  in jbd2_handle_buffer_credits()
1827 			     journal->j_revoke_records_per_block);  in jbd2_handle_buffer_credits()