dname_external
if (dname_external(dentry))
if (unlikely(dname_external(target))) {
if (unlikely(dname_external(dentry))) {
if (unlikely(dname_external(dentry))) {
if (unlikely(dname_external(dentry)))
if (unlikely(dname_external(target))) {
BUG_ON(dname_external(dentry) ||
if (unlikely(dname_external(dentry))) {