Can we make readahead more robust to package updates?

[Bill Nottingham]

Arjan van de Ven (arjan at fenrus.demon.nl) said: 
> I really like this idea; it's a simple "cat" and it can be done at a
> time where latency doesn't matter... (even in cron.daily)
> 
> Oh... this opens more options. This also allows the "sort by
> blocknumber" to be done at this point and taken out of the critical
> latency part......
> 
> great idea!

Of course, that then makes shutdown take twice as long.

What do you do if you have a box where readahead makes boot slower?

Bill