huge_decode_dev
md = dm_get_md(huge_decode_dev(dev));
m = MINOR(huge_decode_dev(dmi->dev));
m = MINOR(huge_decode_dev(param->dev));
init_special_inode(inode, inode->i_mode, huge_decode_dev(attr->va_rdev));
huge_decode_dev(le64_to_cpu(raw_inode->i_device_code)));
inode->i_rdev = huge_decode_dev(le64_to_cpu(fe->id1.dev1.i_rdev));
inode->i_rdev = huge_decode_dev(le64_to_cpu(fe->id1.dev1.i_rdev));
rdev = huge_decode_dev(le64_to_cpu(dev->huge));