config FS_ENCRYPTION
	bool "FS Encryption (Per-file encryption)"
	select CRYPTO
	select CRYPTO_AES
	select CRYPTO_CBC
	select CRYPTO_ECB
	select CRYPTO_XTS
	select CRYPTO_CTS
	select CRYPTO_SHA256
	select KEYS
	help
	  Enable encryption of files and directories.  This
	  feature is similar to ecryptfs, but it is more memory
	  efficient since it avoids caching the encrypted and
	  decrypted pages in the page cache.  Currently Ext4,
	  F2FS and UBIFS make use of this feature.