qemu_co_mutex_lock(&client->send_lock);qemu_set_fd_handler2(csock, nbd_can_read, nbd_read, nbd_restart_write, client); client->send_coroutine = qemu_coroutine_self();if(!len) { rc = nbd_send_reply(csock, reply); }else{ socket_set_cork(csock,1); rc = nbd_send_reply(csock...