I don't think we really want experimental filesystems on by default.
--- 2.6.9-rc1-mm4/fs/Kconfig.reiser4.old 2004-09-07 08:45:01.000000000 -0700
+++ 2.6.9-rc1-mm4/fs/Kconfig.reiser4 2004-09-07 08:45:20.000000000 -0700
@@ -1,7 +1,6 @@
config REISER4_FS
tristate "Reiser4 (EXPERIMENTAL very fast general purpose filesystem)"
depends on EXPERIMENTAL && !4KSTACKS
- default y
---help---
Reiser4 is more than twice as fast for both reads and writes as
ReiserFS V3, and is the fastest Linux filesystem, by a lot,