1 files changed, 54 insertions, 27 deletions

diff --git a/fs/Kconfig b/fs/Kconfig
index 860ea8d1e475..815d201d8600 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -1225,6 +1225,14 @@ config JFFS2_FS_WRITEBUFFER
             - NOR flash with transparent ECC
             - DataFlash
 
+config JFFS2_FS_WBUF_VERIFY
+        bool "Verify JFFS2 write-buffer reads"
+        depends on JFFS2_FS_WRITEBUFFER
+        default n
+        help
+          This causes JFFS2 to read back every page written through the
+          write-buffer, and check for errors.
+
 config JFFS2_SUMMARY
         bool "JFFS2 summary support (EXPERIMENTAL)"
         depends on JFFS2_FS && EXPERIMENTAL
@@ -1295,52 +1303,71 @@ config JFFS2_ZLIB
         select ZLIB_DEFLATE
         depends on JFFS2_FS
         default y
-        help
-          Zlib is designed to be a free, general-purpose, legally unencumbered,
-          lossless data-compression library for use on virtually any computer
-          hardware and operating system. See <http://www.gzip.org/zlib/> for
-          further information.
+        help
+          Zlib is designed to be a free, general-purpose, legally unencumbered,
+          lossless data-compression library for use on virtually any computer
+          hardware and operating system. See <http://www.gzip.org/zlib/> for
+          further information.
 
-          Say 'Y' if unsure.
+          Say 'Y' if unsure.
+
+config JFFS2_LZO
+        bool "JFFS2 LZO compression support" if JFFS2_COMPRESSION_OPTIONS
+        select LZO_COMPRESS
+        select LZO_DECOMPRESS
+        depends on JFFS2_FS
+        default n
+        help
+          minilzo-based compression. Generally works better than Zlib.
+
+          This feature was added in July, 2007. Say 'N' if you need
+          compatibility with older bootloaders or kernels.
 
 config JFFS2_RTIME
         bool "JFFS2 RTIME compression support" if JFFS2_COMPRESSION_OPTIONS
         depends on JFFS2_FS
         default y
-        help
-          Rtime does manage to recompress already-compressed data. Say 'Y' if unsure.
+        help
+          Rtime does manage to recompress already-compressed data. Say 'Y' if unsure.
 
 config JFFS2_RUBIN
         bool "JFFS2 RUBIN compression support" if JFFS2_COMPRESSION_OPTIONS
         depends on JFFS2_FS
         default n
-        help
-          RUBINMIPS and DYNRUBIN compressors. Say 'N' if unsure.
+        help
+          RUBINMIPS and DYNRUBIN compressors. Say 'N' if unsure.
 
 choice
-        prompt "JFFS2 default compression mode" if JFFS2_COMPRESSION_OPTIONS
-        default JFFS2_CMODE_PRIORITY
-        depends on JFFS2_FS
-        help
-          You can set here the default compression mode of JFFS2 from
-          the available compression modes. Don't touch if unsure.
+        prompt "JFFS2 default compression mode" if JFFS2_COMPRESSION_OPTIONS
+        default JFFS2_CMODE_PRIORITY
+        depends on JFFS2_FS
+        help
+          You can set here the default compression mode of JFFS2 from
+          the available compression modes. Don't touch if unsure.
 
 config JFFS2_CMODE_NONE
-        bool "no compression"
-        help
-          Uses no compression.
+        bool "no compression"
+        help
+          Uses no compression.
 
 config JFFS2_CMODE_PRIORITY
-        bool "priority"
-        help
-          Tries the compressors in a predefined order and chooses the first
-          successful one.
+        bool "priority"
+        help
+          Tries the compressors in a predefined order and chooses the first
+          successful one.
 
 config JFFS2_CMODE_SIZE
-        bool "size (EXPERIMENTAL)"
-        help
-          Tries all compressors and chooses the one which has the smallest
-          result.
+        bool "size (EXPERIMENTAL)"
+        help
+          Tries all compressors and chooses the one which has the smallest
+          result.
+
+config JFFS2_CMODE_FAVOURLZO
+        bool "Favour LZO"
+        help
+          Tries all compressors and chooses the one which has the smallest
+          result but gives some preference to LZO (which has faster
+          decompression) at the expense of size.
 
 endchoice