Re: A modest proposal -- We need a patch penguin

[Alan Cox]

> I still don't think maintainig this array is worth just for hfs
> readahead, so the below patch disables it and gets rid of read_ahead.
> 
> Jens, could you check the patch and include it in your next batch of
> block-layer changes for Linus?

What would be significantly more useful would be to make it actually work.
Lots of drivers benefit from control over readahead sizes - both the
stunningly slow low end stuff and the high end raid cards that often want
to get hit by very large I/O requests (eg 128K for the ami megaraid)

Alan