>> 1) background fsck
>>
>> 2) Modify Linuxbios to support the BSDs.
>>
>> 3) Add support for nicing I/O up/down similar to
>>    nicing CPU up/down.
>
> OK - but reverse the order (if it does matter), please  ;)

Order?  What order?  If you mean the 1-2-3, they are just 3
independent ideas.