ext4: load the crc32c driver if necessary

Obtain a reference to the cryptoapi and crc32c if we mount a
filesystem with metadata checksumming enabled.

Signed-off-by: Darrick J. Wong <djwong@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

1 files changed, 2 insertions, 0 deletions

diff --git a/fs/ext4/Kconfig b/fs/ext4/Kconfig
index 9ed1bb1f319f..c22f17021b6e 100644
--- a/fs/ext4/Kconfig
+++ b/fs/ext4/Kconfig
@@ -2,6 +2,8 @@ config EXT4_FS
         tristate "The Extended 4 (ext4) filesystem"
         select JBD2
         select CRC16
+        select CRYPTO
+        select CRYPTO_CRC32C
         help
           This is the next generation of the ext3 filesystem.