[sheepdog] [PATCH] zookeeper: print error code in lock_table_lookup_acquire()

[Hitoshi Mitake]

At Thu, 16 Jul 2015 23:31:21 +0900,
Hitoshi Mitake wrote:
> 
> Cc: zhanghongzhou <zhang.hongzhou at hotmail.com>
> Cc: Ruoyu <liangry at ucweb.com>
> Cc: Robin Dong <robin.k.dong at gmail.com>
> Signed-off-by: Hitoshi Mitake <mitake.hitoshi at lab.ntt.co.jp>
> ---
>  sheep/cluster/zookeeper.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

I'm cc-ing Robin, not only Ruoyu, because the locking feature of
zookeeper driver is for the object storage feature. Ruoyu, Robin, do
you have any ideas about the problem reported by zhanghongzhou?

Thanks,
Hitoshi

> 
> diff --git a/sheep/cluster/zookeeper.c b/sheep/cluster/zookeeper.c
> index 4ad3ef9..4a2351a 100644
> --- a/sheep/cluster/zookeeper.c
> +++ b/sheep/cluster/zookeeper.c
> @@ -352,7 +352,7 @@ static struct cluster_lock *lock_table_lookup_acquire(uint64_t lock_id)
>  			 ret_lock->id);
>  		rc = zk_init_node(path);
>  		if (rc)
> -			panic("Failed to init node %s", path);
> +			panic("Failed to init node %s: %s", path, zerror(rc));
>  
>  		sem_init(&ret_lock->wait_wakeup, 0, 1);
>  		sd_init_mutex(&ret_lock->id_lock);
> -- 
> 1.9.1
>