static handle_t *ocfs2_zero_start_ordered_transaction(struct inode *inode,
						struct buffer_head *di_bh)
{
	struct ocfs2_super *osb = OCFS2_SB(inode->i_sb);
	handle_t *handle = NULL;
	int ret = 0;

	if (!ocfs2_should_order_data(inode))
		goto out;

	handle = ocfs2_start_trans(osb, OCFS2_INODE_UPDATE_CREDITS);
	if (IS_ERR(handle)) {
		ret = -ENOMEM;
		mlog_errno(ret);
		goto out;
	}

	ret = ocfs2_jbd2_file_inode(handle, inode);
	if (ret < 0) {
		mlog_errno(ret);
		goto out;
	}

	ret = ocfs2_journal_access_di(handle, INODE_CACHE(inode), di_bh,
				      OCFS2_JOURNAL_ACCESS_WRITE);
	if (ret)
		mlog_errno(ret);
	ocfs2_update_inode_fsync_trans(handle, inode, 1);

out:
	if (ret) {
		if (!IS_ERR(handle))
			ocfs2_commit_trans(osb, handle);
		handle = ERR_PTR(ret);
	}
	return handle;
}

Unknown