static int coroutine_fn blkreplay_co_pwritev(BlockDriverState *bs, uint64_t offset, uint64_t bytes, QEMUIOVector *qiov, int flags) { uint64_t reqid = request_id++; int ret = bdrv_co_pwritev(bs->file->bs, offset, bytes, qiov, flags); block_request_create(reqid, bs, qemu_coroutine_self()); qemu_coroutine_yield(); return ret; }