--- zzzz-none-000/linux-4.4.60/fs/ubifs/Kconfig	2017-04-08 07:53:53.000000000 +0000
+++ scorpion-7490-727/linux-4.4.60/fs/ubifs/Kconfig	2021-02-04 17:41:59.000000000 +0000
@@ -5,8 +5,10 @@
 	select CRYPTO if UBIFS_FS_ADVANCED_COMPR
 	select CRYPTO if UBIFS_FS_LZO
 	select CRYPTO if UBIFS_FS_ZLIB
+	select CRYPTO if UBIFS_FS_XZ
 	select CRYPTO_LZO if UBIFS_FS_LZO
 	select CRYPTO_DEFLATE if UBIFS_FS_ZLIB
+	select CRYPTO_XZ if UBIFS_FS_XZ
 	depends on MTD_UBI
 	help
 	  UBIFS is a file system for flash devices which works on top of UBI.
@@ -36,6 +38,14 @@
 	help
 	  Zlib compresses better than LZO but it is slower. Say 'Y' if unsure.
 
+config UBIFS_FS_XZ
+	bool "XZ decompression support" if UBIFS_FS_ADVANCED_COMPR
+	depends on UBIFS_FS
+	default y
+	help
+	  XZ compresses better the ZLIB but it is slower..
+	  Say 'Y' if unsure.
+
 config UBIFS_ATIME_SUPPORT
 	bool "Access time support" if UBIFS_FS
 	depends on UBIFS_FS