list_for_each_safe(l, tmp, &pool->prp_req_list) {
req = list_entry(l, struct ptlrpc_request, rq_list);
list_del(&req->rq_list);
list_for_each_safe(l, tmp, &pool->prp_req_list) {
req = list_entry(l, struct ptlrpc_request, rq_list);
list_del(&req->rq_list);