rnbd_msg_open
struct rnbd_msg_open msg;
BUILD_BUG_ON(sizeof(struct rnbd_msg_open) != 264);
struct rnbd_msg_open msg;
const struct rnbd_msg_open *msg),
const struct rnbd_msg_open *open_msg,
const struct rnbd_msg_open *open_msg = msg;
BUILD_BUG_ON(sizeof(struct rnbd_msg_open) != 264);