4 files changed, 36 insertions, 0 deletions
diff --git a/target/linux/config/Config.in.block b/target/linux/config/Config.in.block
index 7aa2b0f19..25e6403e9 100644
--- a/target/linux/config/Config.in.block
+++ b/target/linux/config/Config.in.block
@@ -3,6 +3,9 @@ menu "Block devices support"
 config ADK_KERNEL_MD
 	boolean
 
+config ADK_KERNEL_RAID6_PQ
+	tristate
+
 config ADK_KERNEL_LBD
 	boolean
 
diff --git a/target/linux/config/Config.in.crypto b/target/linux/config/Config.in.crypto
index 0aac38141..47c03befa 100644
--- a/target/linux/config/Config.in.crypto
+++ b/target/linux/config/Config.in.crypto
@@ -6,6 +6,9 @@ config ADK_KERNEL_CRYPTO
 config ADK_KERNEL_CRYPTO_HW
 	tristate
 
+config ADK_KERNEL_XOR_BLOCKS
+	tristate
+
 comment "Hardware cryptography"
 
 menu "Hardware crypto devices"
@@ -69,6 +72,7 @@ config ADK_KERNEL_CRYPTO_AEAD2
 
 config ADK_KERNEL_CRYPTO_HASH
 	tristate
+	select ADK_KERNEL_CRYPTO_ALGAPI
 	select ADK_KERNEL_CRYPTO_HASH2
 	select ADK_KERNEL_CRYPTO_ALGAPI
 
diff --git a/target/linux/config/Config.in.fs b/target/linux/config/Config.in.fs
index 37bbcf183..b27cb7525 100644
--- a/target/linux/config/Config.in.fs
+++ b/target/linux/config/Config.in.fs
@@ -181,6 +181,23 @@ config ADK_KERNEL_XFS_FS
 	  for complete details.  This implementation is on-disk compatible
 	  with the IRIX version of XFS.
 
+config ADK_KERNEL_BTRFS_FS
+	prompt "Btrfs filesystem support"
+	tristate
+	select ADK_KERNEL_CRYPTO_CRC32C
+	select ADK_KERNEL_RAID6_PQ
+	select ADK_KERNEL_XOR_BLOCKS
+	select ADK_KERNEL_ZLIB_DEFLATE
+	select ADK_KERNEL_LZO_COMPRESS
+	select ADK_KERNEL_LZO_DECOMPRESS
+	default n
+	help
+	  Btrfs is a general purpose copy-on-write filesystem with extents,
+	  writable snapshotting, support for multiple devices and many more
+	  features focused on fault tolerance, repair and easy administration.
+	  For more information, please see the web pages at
+	  http://btrfs.wiki.kernel.org
+
 config ADK_KERNEL_FUSE_FS
 	prompt "Filesystem in Userspace support"
 	tristate
diff --git a/target/linux/config/Config.in.lib b/target/linux/config/Config.in.lib
index 2b188fc7d..1bc76d67f 100644
--- a/target/linux/config/Config.in.lib
+++ b/target/linux/config/Config.in.lib
@@ -40,4 +40,16 @@ config ADK_KERNEL_CRC_CCITT
 	  This module provides CRC-CCITT library functions for kernel 
 	  modules built outside the kernel.
 
+config ADK_KERNEL_ZLIB_DEFLATE
+	tristate
+	default n
+
+config ADK_KERNEL_LZO_COMPRESS
+	tristate
+	default n
+
+config ADK_KERNEL_LZO_DECOMPRESS
+	tristate
+	default n
+
 endmenu