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f2fs crypto: add f2fs encryption Kconfig 

This patch adds f2fs encryption config.

This patch integrates:

"ext4 crypto: require CONFIG_CRYPTO_CTR if ext4 encryption is enabled

On arm64 this is apparently needed for CTS mode to function correctly.
Otherwise attempts to use CTS return ENOENT."

Signed-off-by: Michael Halcrow <mhalcrow@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2015-04-10 16:28:26 -07:00
parent cde4de1205
commit d33793fb89
1 changed files with 19 additions and 0 deletions
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19
fs/f2fs/Kconfig
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@ -72,6 +72,25 @@ config F2FS_CHECK_FS
If you want to improve the performance, say N.
config F2FS_FS_ENCRYPTION
bool "F2FS Encryption"
depends on F2FS_FS
depends on F2FS_FS_XATTR
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
help
Enable encryption of f2fs 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.
config F2FS_IO_TRACE
bool "F2FS IO tracer"
depends on F2FS_FS