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Subject: Re: Automatically mount or remount EXT3 partitions with EXT2 when 
	alaptop is powered by a battery?
From: Miles Lane <miles@megapathdsl.net>
To: Andrew Morton <akpm@zip.com.au>
Cc: LKML <linux-kernel@vger.kernel.org>
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	  <3D18A273.284F8EDD@zip.com.au>
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Date: 25 Jun 2002 10:24:11 -0700
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On Tue, 2002-06-25 at 10:03, Andrew Morton wrote:
> Miles Lane wrote:
> > 
> > Hi,
> > 
> > Is there any possibility we could:
> > 
> > 1)  Add support to the boot/mounting process
> >     so that, if a machine is being powered by
> >     battery, EXT3 partitions are mounted with
> >     EXT2, instead?
> > 
> > 2)  While the machine is running, notice when the
> >     power source switches between AC and battery
> >     or vice versa and remount partitions EXT3
> >     partitions to use EXT2 whenever a battery is
> >     being used?
> > 
> 
> umm, why?
> 
> If it's because of the disk-spins-up-too-much problem then
> that can be addressed by allowing the commit interval to be
> set to larger values.

Thanks Andrew,

Yes, the concern is the syncing every few seconds.
Would it be possible and make sense to have this
setting get adjusted dynamically when a laptop goes 
onto battery power?

	Miles



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