[sheepdog] [PATCH 7/7] sheep: fix SD_RES_OLD_NODE_VER handling in check_request_epoch

[Liu Yuan]

On 05/31/2012 05:48 PM, Christoph Hellwig wrote:

>  		/* ask gateway to retry. */
>  		req->rp.result = SD_RES_OLD_NODE_VER;
>  		req->rp.epoch = sys->epoch;
> -		req->work.done(&req->work);
> +		req_done(req);
>  		return -1;
>  	} else if (after(req->rq.epoch, sys->epoch)) {
>  		eprintf("new node version %u, %u, %x\n",


So for the gateway happens to be this local node, we response with
SD_RES_OLD_NODE_VER to upper layer? I don't think upper layer should
handle this error code, we need to call work.done() to queue the request
again and fix double deletion problem.

Thanks,
Yuan