Can we make readahead more robust to package updates?

[Arjan van de Ven]

On Mon, 2006-11-13 at 10:48 +0100, Ralf Ertzinger wrote:
> Hi.
> 
> On Mon, 13 Nov 2006 09:06:20 +0100, Arjan van de Ven wrote:
> 
> > the downside is that you now add extra costs (seeks :) which.. well
> > readahead was trying to avoid. So if this is going to get used
> > massively it's less certain things will gain as much as before...
> 
> Maybe run a script on system shutdown which reads all the files under
> /etc/readahead.d and creates a single config file for readahead to
> read on the next boot?

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!