[sheepdog] [PATCH 2/4] sheep, dog: introduce a new state for expressing coherence of inode objects in clients

Hitoshi Mitake mitake.hitoshi at gmail.com
Thu Aug 7 07:35:57 CEST 2014


On Thu, Aug 7, 2014 at 12:10 PM, Ruoyu <liangry at ucweb.com> wrote:
> Hi Hitoshi,
>
>
> +static bool add_new_participant(struct vdi_state_entry *entry,
> +                               const struct node_id *owner)
> +{
> +       int idx;
> +
> +       if (entry->lock_state == LOCK_STATE_UNLOCKED) {
> +               assert(!entry->nr_participants);
> +
> +               sd_debug("%s is first owner of %"PRIx32,
> node_id_to_str(owner),
> +                       entry->vid);
> +
> +               entry->nr_participants = 1;
> +               memcpy(&entry->participants[0], owner, sizeof(*owner));
> +               entry->participants_state[0] = SHARED_LOCK_STATE_MODIFIED;
> +               entry->lock_state = LOCK_STATE_SHARED;
> +
> +               return true;
> +       }
> +
> +       assert(entry->lock_state == LOCK_STATE_UNLOCKED);
>
> It seems the assertion will be failure. Am I misunderstanding?

Thanks a lot for your pointing. As you say, it is my mistake. I've
forgot to test it with --enable-debug. I've posted a patch for fixing
it.

Thanks,
Hitoshi

>
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