Can we make readahead more robust to package updates?

[Miloslav Trmac]

Mark Rosenstand napsal(a):
> On Tue, 2006-11-14 at 08:15 +0100, Arjan van de Ven wrote:
>> On Mon, 2006-11-13 at 22:23 -0500, Bill Nottingham wrote:
>>> 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.
>> if you do it at shutdown, which is again a latency path :)
>> cron.daily/weekly is less so ;)
> 
> Or post-{install,remove} of the packages that put files in readahead.d.
> 
> There's no need to run the script if nothing has changed,
Does prelink overwrite the modified files in place, or does it create
new versions as separate files and rename()s them?
	Mirek