search for: get_size_and_eflag

There's no substantial difference over v1, I simply fixed a few whitespace issues, moved one struct around and tidied up the comments. Rich.

...+ + if (conn->send (conn, + &fixed_new_option_reply, + sizeof fixed_new_option_reply) == -1 || + conn->send (conn, &export, sizeof export) == -1) { + nbdkit_error ("write: %m"); + return -1; + } + + return 0; +} + +static int +get_size_and_eflags (struct connection *conn) +{ + int64_t r; + + r = backend->get_size (backend, conn); + if (r == -1) + return -1; + if (r < 0) { + nbdkit_error (".get_size function returned invalid value " + "(%" PRIi64 ")", r); + return -1; + } +...

This is only lightly tested (against just qemu NBD client), and the code might be structured a little better as the _negotiate_handshake_newstyle_options function has now grown to be huge. Anyway works for me. Rich.