209 			      struct fscrypt_master_key *mk)  in setup_per_mode_key()  argument
217 	if (WARN_ON(mode_num >= ARRAY_SIZE(mk->mk_mode_keys)))  in setup_per_mode_key()
221 	tfm = READ_ONCE(mk->mk_mode_keys[mode_num]);  in setup_per_mode_key()
226 	err = fscrypt_hkdf_expand(&mk->mk_secret.hkdf,  in setup_per_mode_key()
238 	prev_tfm = cmpxchg(&mk->mk_mode_keys[mode_num], NULL, tfm);  in setup_per_mode_key()
249 				     struct fscrypt_master_key *mk)  in fscrypt_setup_v2_file_key()  argument
269 		return setup_per_mode_key(ci, mk);  in fscrypt_setup_v2_file_key()
272 	err = fscrypt_hkdf_expand(&mk->mk_secret.hkdf,  in fscrypt_setup_v2_file_key()
298 	struct fscrypt_master_key *mk = NULL;  in setup_file_encryption_key()  local
335 	mk = key->payload.data[0];  in setup_file_encryption_key()
336 	down_read(&mk->mk_secret_sem);  in setup_file_encryption_key()
339 	if (!is_master_key_secret_present(&mk->mk_secret)) {  in setup_file_encryption_key()
350 	if (mk->mk_secret.size < ci->ci_mode->keysize) {  in setup_file_encryption_key()
355 			     mk->mk_secret.size, ci->ci_mode->keysize);  in setup_file_encryption_key()
362 		err = fscrypt_setup_v1_file_key(ci, mk->mk_secret.raw);  in setup_file_encryption_key()
365 		err = fscrypt_setup_v2_file_key(ci, mk);  in setup_file_encryption_key()
379 	up_read(&mk->mk_secret_sem);  in setup_file_encryption_key()
401 		struct fscrypt_master_key *mk = key->payload.data[0];  in put_crypt_info()  local
411 		spin_lock(&mk->mk_decrypted_inodes_lock);  in put_crypt_info()
413 		spin_unlock(&mk->mk_decrypted_inodes_lock);  in put_crypt_info()
414 		if (refcount_dec_and_test(&mk->mk_refcount))  in put_crypt_info()
502 			struct fscrypt_master_key *mk =  in fscrypt_get_encryption_info()  local
505 			refcount_inc(&mk->mk_refcount);  in fscrypt_get_encryption_info()
507 			spin_lock(&mk->mk_decrypted_inodes_lock);  in fscrypt_get_encryption_info()
509 				 &mk->mk_decrypted_inodes);  in fscrypt_get_encryption_info()
510 			spin_unlock(&mk->mk_decrypted_inodes_lock);  in fscrypt_get_encryption_info()
517 		struct fscrypt_master_key *mk = master_key->payload.data[0];  in fscrypt_get_encryption_info()  local
519 		up_read(&mk->mk_secret_sem);  in fscrypt_get_encryption_info()
569 	const struct fscrypt_master_key *mk;  in fscrypt_drop_inode()  local
579 	mk = ci->ci_master_key->payload.data[0];  in fscrypt_drop_inode()
589 	return !is_master_key_secret_present(&mk->mk_secret);  in fscrypt_drop_inode()