fscrypt_fname_encrypted_size
if (!fscrypt_fname_encrypted_size(dir, name_len, NAME_MAX, &len)) {
if (!fscrypt_fname_encrypted_size(dir, name->len, NAME_MAX, &len)) {
EXPORT_SYMBOL_GPL(fscrypt_fname_encrypted_size);
if (!fscrypt_fname_encrypted_size(dir, iname->len, NAME_MAX,
bool fscrypt_fname_encrypted_size(const struct inode *inode, u32 orig_len,