[JFFS2] Add erase block summary support (mount time improvement)

[deliverable/linux.git] / fs / Kconfig

diff --git a/fs/Kconfig b/fs/Kconfig
index 01a295232f75dcd53ab1d5a4998e35b92fc47205..37d86c5072eb86023fef33b7ec1934a3a1fd4222 100644 (file)
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -1050,6 +1050,19 @@ 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