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Commit d33793fb authored by Jaegeuk Kim's avatar Jaegeuk Kim
Browse files

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: default avatarMichael Halcrow <mhalcrow@google.com>
Signed-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent cde4de12

fs/f2fs/Kconfig

+19 −0
Original line number Diff line number Diff line
@@ -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