387 static void ext4_journal_commit_callback(journal_t *journal, transaction_t *txn)  in ext4_journal_commit_callback()  argument
389 	struct super_block		*sb = journal->j_private;  in ext4_journal_commit_callback()
391 	int				error = is_journal_aborted(journal);  in ext4_journal_commit_callback()
434 		journal_t *journal = EXT4_SB(sb)->s_journal;  in ext4_handle_error()  local
437 		if (journal)  in ext4_handle_error()
438 			jbd2_journal_abort(journal, -EIO);  in ext4_handle_error()
1188 	journal_t *journal = EXT4_SB(sb)->s_journal;  in bdev_try_to_free_page()  local
1193 	if (journal)  in bdev_try_to_free_page()
1194 		return jbd2_journal_try_to_free_buffers(journal, page,  in bdev_try_to_free_page()
4551 static void ext4_init_journal_params(struct super_block *sb, journal_t *journal)  in ext4_init_journal_params()  argument
4555 	journal->j_commit_interval = sbi->s_commit_interval;  in ext4_init_journal_params()
4556 	journal->j_min_batch_time = sbi->s_min_batch_time;  in ext4_init_journal_params()
4557 	journal->j_max_batch_time = sbi->s_max_batch_time;  in ext4_init_journal_params()
4559 	write_lock(&journal->j_state_lock);  in ext4_init_journal_params()
4561 		journal->j_flags |= JBD2_BARRIER;  in ext4_init_journal_params()
4563 		journal->j_flags &= ~JBD2_BARRIER;  in ext4_init_journal_params()
4565 		journal->j_flags |= JBD2_ABORT_ON_SYNCDATA_ERR;  in ext4_init_journal_params()
4567 		journal->j_flags &= ~JBD2_ABORT_ON_SYNCDATA_ERR;  in ext4_init_journal_params()
4568 	write_unlock(&journal->j_state_lock);  in ext4_init_journal_params()
4607 	journal_t *journal;  in ext4_get_journal()  local
4615 	journal = jbd2_journal_init_inode(journal_inode);  in ext4_get_journal()
4616 	if (!journal) {  in ext4_get_journal()
4621 	journal->j_private = sb;  in ext4_get_journal()
4622 	ext4_init_journal_params(sb, journal);  in ext4_get_journal()
4623 	return journal;  in ext4_get_journal()
4630 	journal_t *journal;  in ext4_get_dev_journal()  local
4691 	journal = jbd2_journal_init_dev(bdev, sb->s_bdev,  in ext4_get_dev_journal()
4693 	if (!journal) {  in ext4_get_dev_journal()
4697 	journal->j_private = sb;  in ext4_get_dev_journal()
4698 	ll_rw_block(REQ_OP_READ, REQ_META | REQ_PRIO, 1, &journal->j_sb_buffer);  in ext4_get_dev_journal()
4699 	wait_on_buffer(journal->j_sb_buffer);  in ext4_get_dev_journal()
4700 	if (!buffer_uptodate(journal->j_sb_buffer)) {  in ext4_get_dev_journal()
4704 	if (be32_to_cpu(journal->j_superblock->s_nr_users) != 1) {  in ext4_get_dev_journal()
4707 			be32_to_cpu(journal->j_superblock->s_nr_users));  in ext4_get_dev_journal()
4711 	ext4_init_journal_params(sb, journal);  in ext4_get_dev_journal()
4712 	return journal;  in ext4_get_dev_journal()
4715 	jbd2_journal_destroy(journal);  in ext4_get_dev_journal()
4725 	journal_t *journal;  in ext4_load_journal()  local
4770 		if (!(journal = ext4_get_journal(sb, journal_inum)))  in ext4_load_journal()
4773 		if (!(journal = ext4_get_dev_journal(sb, journal_dev)))  in ext4_load_journal()
4777 	if (!(journal->j_flags & JBD2_BARRIER))  in ext4_load_journal()
4781 		err = jbd2_journal_wipe(journal, !really_read_only);  in ext4_load_journal()
4787 		err = jbd2_journal_load(journal);  in ext4_load_journal()
4796 		jbd2_journal_destroy(journal);  in ext4_load_journal()
4800 	EXT4_SB(sb)->s_journal = journal;  in ext4_load_journal()
4900 	journal_t *journal = EXT4_SB(sb)->s_journal;  in ext4_mark_recovery_complete()  local
4903 		BUG_ON(journal != NULL);  in ext4_mark_recovery_complete()
4906 	jbd2_journal_lock_updates(journal);  in ext4_mark_recovery_complete()
4907 	if (jbd2_journal_flush(journal) < 0)  in ext4_mark_recovery_complete()
4916 	jbd2_journal_unlock_updates(journal);  in ext4_mark_recovery_complete()
4927 	journal_t *journal;  in ext4_clear_journal_err()  local
4933 	journal = EXT4_SB(sb)->s_journal;  in ext4_clear_journal_err()
4940 	j_errno = jbd2_journal_errno(journal);  in ext4_clear_journal_err()
4953 		jbd2_journal_clear_err(journal);  in ext4_clear_journal_err()
4954 		jbd2_journal_update_sb_errno(journal);  in ext4_clear_journal_err()
4964 	journal_t *journal;  in ext4_force_commit()  local
4969 	journal = EXT4_SB(sb)->s_journal;  in ext4_force_commit()
4970 	return ext4_journal_force_commit(journal);  in ext4_force_commit()
5029 	journal_t *journal;  in ext4_freeze()  local
5034 	journal = EXT4_SB(sb)->s_journal;  in ext4_freeze()
5036 	if (journal) {  in ext4_freeze()
5038 		jbd2_journal_lock_updates(journal);  in ext4_freeze()
5044 		error = jbd2_journal_flush(journal);  in ext4_freeze()
5054 	if (journal)  in ext4_freeze()
5056 		jbd2_journal_unlock_updates(journal);  in ext4_freeze()