--- linux-4.9.37/fs/jffs2/Kconfig	2017-07-12 16:42:41.000000000 +0300
+++ linux-4.9.y/fs/jffs2/Kconfig	2021-06-07 13:01:34.000000000 +0300
@@ -139,6 +139,15 @@
 	  This feature was added in July, 2007. Say 'N' if you need
 	  compatibility with older bootloaders or kernels.
 
+config JFFS2_LZMA
+	bool "JFFS2 LZMA compression support" if JFFS2_COMPRESSION_OPTIONS
+	select LZMA_COMPRESS
+	select LZMA_DECOMPRESS
+	depends on JFFS2_FS
+	default n
+	help
+	  JFFS2 wrapper to the LZMA C SDK
+
 config JFFS2_RTIME
 	bool "JFFS2 RTIME compression support" if JFFS2_COMPRESSION_OPTIONS
 	depends on JFFS2_FS