422     struct qemu_paiocb *acb, **pacb;  in posix_aio_process_queue()  local
430             acb = *pacb;  in posix_aio_process_queue()
431             if (!acb)  in posix_aio_process_queue()
435             if (acb->async_context_id != async_context_id) {  in posix_aio_process_queue()
436                 pacb = &acb->next;  in posix_aio_process_queue()
440             ret = qemu_paio_error(acb);  in posix_aio_process_queue()
443                 *pacb = acb->next;  in posix_aio_process_queue()
444                 qemu_aio_release(acb);  in posix_aio_process_queue()
449                     ret = qemu_paio_return(acb);  in posix_aio_process_queue()
450                     if (ret == acb->aio_nbytes)  in posix_aio_process_queue()
461                 *pacb = acb->next;  in posix_aio_process_queue()
463                 acb->common.cb(acb->common.opaque, ret);  in posix_aio_process_queue()
464                 qemu_aio_release(acb);  in posix_aio_process_queue()
468                 pacb = &acb->next;  in posix_aio_process_queue()
518 static void paio_remove(struct qemu_paiocb *acb)  in paio_remove()  argument
528         } else if (*pacb == acb) {  in paio_remove()
529             *pacb = acb->next;  in paio_remove()
530             qemu_aio_release(acb);  in paio_remove()
539     struct qemu_paiocb *acb = (struct qemu_paiocb *)blockacb;  in paio_cancel()  local
545     if (!acb->active) {  in paio_cancel()
546         QTAILQ_REMOVE(&request_list, acb, node);  in paio_cancel()
547         acb->ret = -ECANCELED;  in paio_cancel()
548     } else if (acb->ret == -EINPROGRESS) {  in paio_cancel()
556         while (qemu_paio_error(acb) == EINPROGRESS)  in paio_cancel()
560     paio_remove(acb);  in paio_cancel()
572     struct qemu_paiocb *acb;  in paio_submit()  local
574     acb = qemu_aio_get(&raw_aio_pool, bs, cb, opaque);  in paio_submit()
575     if (!acb)  in paio_submit()
577     acb->aio_type = type;  in paio_submit()
578     acb->aio_fildes = fd;  in paio_submit()
579     acb->ev_signo = SIGUSR2;  in paio_submit()
580     acb->async_context_id = get_async_context_id();  in paio_submit()
583         acb->aio_iov = qiov->iov;  in paio_submit()
584         acb->aio_niov = qiov->niov;  in paio_submit()
586     acb->aio_nbytes = nb_sectors * 512;  in paio_submit()
587     acb->aio_offset = sector_num * 512;  in paio_submit()
589     acb->next = posix_aio_state->first_aio;  in paio_submit()
590     posix_aio_state->first_aio = acb;  in paio_submit()
593     qemu_paio_submit(acb);  in paio_submit()
594     return &acb->common;  in paio_submit()
601     struct qemu_paiocb *acb;  in paio_ioctl()  local
603     acb = qemu_aio_get(&raw_aio_pool, bs, cb, opaque);  in paio_ioctl()
604     if (!acb)  in paio_ioctl()
606     acb->aio_type = QEMU_AIO_IOCTL;  in paio_ioctl()
607     acb->aio_fildes = fd;  in paio_ioctl()
608     acb->ev_signo = SIGUSR2;  in paio_ioctl()
609     acb->async_context_id = get_async_context_id();  in paio_ioctl()
610     acb->aio_offset = 0;  in paio_ioctl()
611     acb->aio_ioctl_buf = buf;  in paio_ioctl()
612     acb->aio_ioctl_cmd = req;  in paio_ioctl()
614     acb->next = posix_aio_state->first_aio;  in paio_ioctl()
615     posix_aio_state->first_aio = acb;  in paio_ioctl()
617     qemu_paio_submit(acb);  in paio_ioctl()
618     return &acb->common;  in paio_ioctl()