ext4 crypto: migrate into vfs's crypto engine
This patch removes the most parts of internal crypto codes.
And then, it modifies and adds some ext4-specific crypt codes to use the generic
facility.
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
diff --git a/fs/ext4/Kconfig b/fs/ext4/Kconfig
index b46e9fc..e38039f 100644
--- a/fs/ext4/Kconfig
+++ b/fs/ext4/Kconfig
@@ -99,17 +99,9 @@
extended attributes for file security labels, say N.
config EXT4_ENCRYPTION
- tristate "Ext4 Encryption"
+ bool "Ext4 Encryption"
depends on EXT4_FS
- select CRYPTO_AES
- select CRYPTO_CBC
- select CRYPTO_ECB
- select CRYPTO_XTS
- select CRYPTO_CTS
- select CRYPTO_CTR
- select CRYPTO_SHA256
- select KEYS
- select ENCRYPTED_KEYS
+ select FS_ENCRYPTION
help
Enable encryption of ext4 files and directories. This
feature is similar to ecryptfs, but it is more memory