On Mon, Dec 23, 2019 at 03:46:23PM +0800, Herbert Xu wrote: > diff --git a/fs/ext4/Kconfig b/fs/ext4/Kconfig > index ef42ab040905..930793456d3a 100644 > --- a/fs/ext4/Kconfig > +++ b/fs/ext4/Kconfig > @@ -10,6 +10,7 @@ config EXT3_FS > select CRC16 > select CRYPTO > select CRYPTO_CRC32C > + select FS_ENCRYPTION_ALGS if FS_ENCRYPTION > help > This config option is here only for backward compatibility. ext3 > filesystem is now handled by the ext4 driver. This needs to be under EXT4_FS, not EXT3_FS. That should address the kbuild test robot error. (The fact that EXT3_FS selects options other than just EXT4_FS is unnecessary and misleading; I'll send a separate patch to clean that up.) - Eric