todo.md

 ## Things to fix and add in ZIO
 
-Even if beta 3 has been tagged in the repository and the patch has been
-sent out, the design phase is not finalized, and some things are still
-pending.
+After the beta3 tag a lot happened, but there are still some things we
+want to add to the  
+code base.
 
 ### Code Changes
 
   - Implement the bus abstraction, to split drivers and devices
 
-<!-- end list -->
-
-  - Make a single zio-core.ko module that includes default trigger and
-    buffer
-
-<!-- end list -->
-
-  - Use cdev permissions so input is RO and output is WO
-
 <!-- end list -->
 
   - Add a binary control block in /sys to reflect current status and set
     config
 
-<!-- end list -->
-
-  - Use owned kmem\_cache structures for control blocks and other
-    fixed-size structures
-
-<!-- end list -->
-
-  - Add code to change a trigger and a buffer at run time
-
 <!-- end list -->
 
   - Support DMA to user space
@@ -80,10 +62,6 @@ http://lists.ohwr.org/sympa/arc/zio/2011-11/msg00026.html
 
   - Add internal timing to zio-gpio
 
-<!-- end list -->
-
-  - Write an example buffer using special (non-kmalloc) memory
-
 <!-- end list -->
 
   - Write a buffers/zio-buf-circ, a buffer that discards control
@@ -116,13 +94,3 @@ http://lists.ohwr.org/sympa/arc/zio/2011-11/msg00026.html
 
   - Offer defaults in zio-core wherever possible, likes push\_block
 
-<!-- end list -->
-
-  - Remove file operations from triggers, offer zio\_generic\_fops and
-    write a policy document
-
-<!-- end list -->
-
-  - Define an enable/disable policy for channel and csets; use and
-    document it.
-