1581 static void switch_names(struct dentry *dentry, struct dentry *target)  in switch_names()  argument
1583 	if (dname_external(target)) {  in switch_names()
1588 			swap(target->d_name.name, dentry->d_name.name);  in switch_names()
1594 			memcpy(target->d_iname, dentry->d_name.name,  in switch_names()
1596 			dentry->d_name.name = target->d_name.name;  in switch_names()
1597 			target->d_name.name = target->d_iname;  in switch_names()
1605 			memcpy(dentry->d_iname, target->d_name.name,  in switch_names()
1606 					target->d_name.len + 1);  in switch_names()
1607 			target->d_name.name = dentry->d_name.name;  in switch_names()
1613 			memcpy(dentry->d_iname, target->d_name.name,  in switch_names()
1614 					target->d_name.len + 1);  in switch_names()
1615 			dentry->d_name.len = target->d_name.len;  in switch_names()
1619 	swap(dentry->d_name.len, target->d_name.len);  in switch_names()
1642 static void d_move_locked(struct dentry * dentry, struct dentry * target)  in d_move_locked()  argument
1653 	if (target < dentry) {  in d_move_locked()
1654 		spin_lock(&target->d_lock);  in d_move_locked()
1658 		spin_lock_nested(&target->d_lock, DENTRY_D_LOCK_NESTED);  in d_move_locked()
1668 	list = d_hash(target->d_parent, target->d_name.hash);  in d_move_locked()
1672 	__d_drop(target);  in d_move_locked()
1675 	list_del(&target->d_u.d_child);  in d_move_locked()
1678 	switch_names(dentry, target);  in d_move_locked()
1679 	swap(dentry->d_name.hash, target->d_name.hash);  in d_move_locked()
1683 		dentry->d_parent = target->d_parent;  in d_move_locked()
1684 		target->d_parent = target;  in d_move_locked()
1685 		INIT_LIST_HEAD(&target->d_u.d_child);  in d_move_locked()
1687 		swap(dentry->d_parent, target->d_parent);  in d_move_locked()
1690 		list_add(&target->d_u.d_child, &target->d_parent->d_subdirs);  in d_move_locked()
1694 	spin_unlock(&target->d_lock);  in d_move_locked()
1709 void d_move(struct dentry * dentry, struct dentry * target)  in d_move()  argument
1712 	d_move_locked(dentry, target);  in d_move()