Ejemplo n.º 1
0
void dlm_receive_rcom(struct dlm_ls *ls, struct dlm_rcom *rc, int nodeid)
{
    int lock_size = sizeof(struct dlm_rcom) + sizeof(struct rcom_lock);

    if (dlm_recovery_stopped(ls) && (rc->rc_type != DLM_RCOM_STATUS)) {
        log_debug(ls, "ignoring recovery message %x from %d",
                  rc->rc_type, nodeid);
        goto out;
    }

    if (is_old_reply(ls, rc))
        goto out;

    switch (rc->rc_type) {
    case DLM_RCOM_STATUS:
        receive_rcom_status(ls, rc);
        break;

    case DLM_RCOM_NAMES:
        receive_rcom_names(ls, rc);
        break;

    case DLM_RCOM_LOOKUP:
        receive_rcom_lookup(ls, rc);
        break;

    case DLM_RCOM_LOCK:
        if (rc->rc_header.h_length < lock_size)
            goto Eshort;
        receive_rcom_lock(ls, rc);
        break;

    case DLM_RCOM_STATUS_REPLY:
        receive_sync_reply(ls, rc);
        break;

    case DLM_RCOM_NAMES_REPLY:
        receive_sync_reply(ls, rc);
        break;

    case DLM_RCOM_LOOKUP_REPLY:
        receive_rcom_lookup_reply(ls, rc);
        break;

    case DLM_RCOM_LOCK_REPLY:
        if (rc->rc_header.h_length < lock_size)
            goto Eshort;
        dlm_recover_process_copy(ls, rc);
        break;

    default:
        log_error(ls, "receive_rcom bad type %d", rc->rc_type);
    }
out:
    return;
Eshort:
    log_error(ls, "recovery message %x from %d is too short",
              rc->rc_type, nodeid);
}
Ejemplo n.º 2
0
static void receive_rcom_lock_reply(struct dlm_ls *ls, struct dlm_rcom *rc_in)
{
	dlm_recover_process_copy(ls, rc_in);
}