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.

Change-Id: I732ea9a5157acc76de5b89edec195d0365f4ca63
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/fs/ext4/Kconfig b/fs/ext4/Kconfig
index 024f2284d3f6c03ec3a0b4697bc71cbe9d9b9e2e..bf8bc8aba471c6e71d1d340daf47338dd14b093c 100644 (file)
--- a/fs/ext4/Kconfig
+++ b/fs/ext4/Kconfig
@@ -72,6 +72,7 @@ config EXT4_ENCRYPTION
        select CRYPTO_ECB
        select CRYPTO_XTS
        select CRYPTO_CTS
+       select CRYPTO_CTR
        select CRYPTO_SHA256
        select KEYS
        select ENCRYPTED_KEYS