Messages in this thread | | | Date | Wed, 17 Sep 2003 21:41:53 +0200 | From | Pavel Machek <> | Subject | Re: laptop mode for 2.4.23-pre4 and up |
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Hi!
> +So what does the laptop mode patch do? It attempts to fully utilize the > +hard drive once it has been spun up, flushing the old dirty data out to > +disk. Instead of flushing just the expired data, it will clean everything. > +When a read causes the disk to spin up, we kick off this flushing after > +a few seconds. This means that once the disk spins down again, everything > +is up to date. That allows longer dirty data and journal expire times.
Another nice touch would be to sync just before spinning down. noflushd does that... of course it needs software-controlled spindowns.
-- Pavel Written on sharp zaurus, because my Velo1 broke. If you have Velo you don't need...
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