e2di_rdev
#define i_e2fs_rdev i_din.e2fs_din->e2di_rdev
vap->va_rdev = (dev_t)fs2h32(ip->i_din.e2fs_din->e2di_rdev);
spec_node_init(vp, fs2h32(ip->i_din.e2fs_din->e2di_rdev));
fsp->rdev = dinode.e2di_rdev;
(name = devname(dip.e2di_rdev, type)) == NULL) {
devprintf(dev, sizeof(dev), dip.e2di_rdev);