void pdu_submit(V9fsPDU *pdu)
{
    Coroutine *co;
    CoroutineEntry *handler;
    V9fsState *s = pdu->s;

    if (pdu->id >= ARRAY_SIZE(pdu_co_handlers) ||
        (pdu_co_handlers[pdu->id] == NULL)) {
        handler = v9fs_op_not_supp;
    } else {
        handler = pdu_co_handlers[pdu->id];
    }

    if (is_ro_export(&s->ctx) && !is_read_only_op(pdu)) {
        handler = v9fs_fs_ro;
    }
    co = qemu_coroutine_create(handler, pdu);
    qemu_coroutine_enter(co);
}
void pdu_submit(V9fsPDU *pdu)
{
    Coroutine *co;
    CoroutineEntry *handler;
    V9fsState *s = pdu->s;

    if (pdu->id >= ARRAY_SIZE(pdu_co_handlers) ||
        (pdu_co_handlers[pdu->id] == NULL)) {
        handler = v9fs_op_not_supp;
    } else {
        handler = pdu_co_handlers[pdu->id];
    }

    if (is_ro_export(&s->ctx) && !is_read_only_op(pdu)) {
        handler = v9fs_fs_ro;
    }
    co = qemu_coroutine_create(handler, pdu);
    qemu_coroutine_enter(co);
}