ext4: Add select for CONFIG_FS_IOMAP

When ext4 is compiled with DAX support, it now needs the iomap code. Add
appropriate select to Kconfig.

Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/fs/ext4/Kconfig b/fs/ext4/Kconfig
index e38039f..7b90691 100644 (file)
--- a/fs/ext4/Kconfig
+++ b/fs/ext4/Kconfig
@@ -37,6 +37,7 @@ config EXT4_FS
        select CRC16
        select CRYPTO
        select CRYPTO_CRC32C
+       select FS_IOMAP if FS_DAX
        help
          This is the next generation of the ext3 filesystem.