affs: get rid of open-coded list_for_each_entry()

{

	struct inode *inode = dentry->d_inode;

	void *data = dentry->d_fsdata;

	struct list_head *head, *next;

	spin_lock(&inode->i_lock);

	head = &inode->i_dentry;

	next = head->next;

	while (next != head) {

		dentry = list_entry(next, struct dentry, d_alias);

	list_for_each_entry(dentry, &inode->i_dentry, d_alias) {

		if (entry_ino == (u32)(long)dentry->d_fsdata) {

			dentry->d_fsdata = data;

			break;

		}

		next = next->next;

	}

	spin_unlock(&inode->i_lock);

}