9e26fc60b1
std::io: Use sendfile for UnixStream `UnixStream` was forgotten in #75272 . Benchmark yields the following results. Before: `running 1 test test sys::unix::kernel_copy::tests::bench_file_to_uds_copy ... bench: 54,399 ns/iter (+/- 6,817) = 2409 MB/s` After: `running 1 test test sys::unix::kernel_copy::tests::bench_file_to_uds_copy ... bench: 18,627 ns/iter (+/- 6,007) = 7036 MB/s`