54 static void aio_block_init(aio_block* aiob, unsigned num_bufs) {  in aio_block_init()  argument
55     aiob->iocb.resize(num_bufs);  in aio_block_init()
56     aiob->iocbs.resize(num_bufs);  in aio_block_init()
57     aiob->events.resize(num_bufs);  in aio_block_init()
58     aiob->num_submitted = 0;  in aio_block_init()
60         aiob->iocbs[i] = &aiob->iocb[i];  in aio_block_init()
62     memset(&aiob->ctx, 0, sizeof(aiob->ctx));  in aio_block_init()
63     if (io_setup(num_bufs, &aiob->ctx)) {  in aio_block_init()
130     aio_block* aiob = read ? &h->read_aiob : &h->write_aiob;  in usb_ffs_do_aio()  local
135     int packet_size = getMaxPacketSize(aiob->fd);  in usb_ffs_do_aio()
144         io_prep(&aiob->iocb[i], aiob->fd, cur_data, buf_len, 0, read);  in usb_ffs_do_aio()
156         io_prep(&aiob->iocb[num_bufs], aiob->fd, reinterpret_cast<const void*>(cur_data),  in usb_ffs_do_aio()
162         if (TEMP_FAILURE_RETRY(io_submit(aiob->ctx, num_bufs, aiob->iocbs.data())) < num_bufs) {  in usb_ffs_do_aio()
166         if (TEMP_FAILURE_RETRY(io_getevents(aiob->ctx, num_bufs, num_bufs, aiob->events.data(),  in usb_ffs_do_aio()
171         if (num_bufs == 1 && aiob->events[0].res == -EINTR) {  in usb_ffs_do_aio()
176             if (aiob->events[i].res < 0) {  in usb_ffs_do_aio()
177                 errno = -aiob->events[i].res;  in usb_ffs_do_aio()
182             ret += aiob->events[i].res;  in usb_ffs_do_aio()