1 files changed, 18 insertions, 5 deletions

diff --git a/fs/Kconfig b/fs/Kconfig
index 7cf36ca157ff..7d6ae369ce44 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -1051,6 +1051,19 @@ config JFFS2_FS_WRITEBUFFER
             - NOR flash with transparent ECC
             - DataFlash
 
+config JFFS2_SUMMARY
+        bool "JFFS2 summary support (EXPERIMENTAL)"
+        depends on JFFS2_FS && EXPERIMENTAL
+        default n
+        help
+          This feature makes it possible to use summary information
+          for faster filesystem mount.
+
+          The summary information can be inserted into a filesystem image
+          by the utility 'sumtool'.
+
+          If unsure, say 'N'.
+
 config JFFS2_COMPRESSION_OPTIONS
         bool "Advanced compression options for JFFS2"
         depends on JFFS2_FS
@@ -1072,10 +1085,10 @@ config JFFS2_ZLIB
         default y
         help
           Zlib is designed to be a free, general-purpose, legally unencumbered,
-          lossless data-compression library for use on virtually any computer 
+          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.
 
 config JFFS2_RTIME
@@ -1097,7 +1110,7 @@ choice
         default JFFS2_CMODE_PRIORITY
         depends on JFFS2_FS
         help
-          You can set here the default compression mode of JFFS2 from 
+          You can set here the default compression mode of JFFS2 from
           the available compression modes. Don't touch if unsure.
 
 config JFFS2_CMODE_NONE
@@ -1108,13 +1121,13 @@ config JFFS2_CMODE_NONE
 config JFFS2_CMODE_PRIORITY
         bool "priority"
         help
-          Tries the compressors in a predefinied order and chooses the first 
+          Tries the compressors in a predefinied 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 
+          Tries all compressors and chooses the one which has the smallest
           result.
 
 endchoice