static int get_free_dqblk(struct qtree_mem_dqinfo *info)
{
	char *buf = kmalloc(info->dqi_usable_bs, GFP_NOFS);
	struct qt_disk_dqdbheader *dh = (struct qt_disk_dqdbheader *)buf;
	int ret, blk;

	if (!buf)
		return -ENOMEM;
	if (info->dqi_free_blk) {
		blk = info->dqi_free_blk;
		ret = read_blk(info, blk, buf);
		if (ret < 0)
			goto out_buf;
		info->dqi_free_blk = le32_to_cpu(dh->dqdh_next_free);
	}
	else {
		memset(buf, 0, info->dqi_usable_bs);
		/* Assure block allocation... */
		ret = write_blk(info, info->dqi_blocks, buf);
		if (ret < 0)
			goto out_buf;
		blk = info->dqi_blocks++;
	}
	mark_info_dirty(info->dqi_sb, info->dqi_type);
	ret = blk;
out_buf:
	kfree(buf);
	return ret;
}
static int get_free_dqblk(struct qtree_mem_dqinfo *info)
{
	char *buf = kmalloc(info->dqi_usable_bs, GFP_NOFS);
	struct qt_disk_dqdbheader *dh = (struct qt_disk_dqdbheader *)buf;
	int ret, blk;

	if (!buf)
		return -ENOMEM;
	if (info->dqi_free_blk) {
		blk = info->dqi_free_blk;
		ret = read_blk(info, blk, buf);
		if (ret < 0)
			goto out_buf;
		info->dqi_free_blk = le32_to_cpu(dh->dqdh_next_free);
	}
	else {
		memset(buf, 0, info->dqi_usable_bs);
		 
		ret = write_blk(info, info->dqi_blocks, buf);
		if (ret < 0)
			goto out_buf;
		blk = info->dqi_blocks++;
	}
	mark_info_dirty(info->dqi_sb, info->dqi_type);
	ret = blk;
out_buf:
	kfree(buf);
	return ret;
}