int nbd_client_co_pwritev(BlockDriverState *bs, uint64_t offset, uint64_t bytes, QEMUIOVector *qiov, int flags) { NBDClientSession *client = nbd_get_client_session(bs); NBDRequest request = { .type = NBD_CMD_WRITE, .from = offset, .len = bytes, }; if (flags & BDRV_REQ_FUA) { assert(client->info.flags & NBD_FLAG_SEND_FUA); request.flags |= NBD_CMD_FLAG_FUA; } assert(bytes <= NBD_MAX_BUFFER_SIZE); return nbd_co_request(bs, &request, qiov); }