[sheepdog] [PATCH v3 1/2] sheep: introduce journal file to boost IO performance

[Liu Yuan]

On 11/12/2012 01:08 PM, Liu Yuan wrote:
> +static bool journal_descriptor_valid(struct journal_descriptor *jd)
> +{
> +	if (jd->magic != JOURNAL_DESC_MAGIC)
> +		return false;
> +	if (jd->oid == 0)
> +		return false;

Well, can OID be 0? I'm not quit sure about this.

Thanks,
Yuan