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DateSun, 7 Apr 2002 21:17:17 -0700 (PDT)
FromAndre Hedrick <>
SubjectRe: faster boots?
Well they are there if they were not deleted by the 2.5 maintainer.
If they were, then feel free to copy and credit the work from 2.4 once I
complete the infrastructure.

Cheers,

Andre Hedrick
LAD Storage Consulting Group

On Sun, 7 Apr 2002, Andrew Morton wrote:

> Richard Gooch wrote:
> > 
> > But I *want* to write while the drive is spun down. And leave it spun
> > down until the system is RAM starved (or some threshold is reached).
> > 
> 
> Yes.  The desirable behaviour for laptops is to defer writes
> for a very long time, or until the user says "sync".
> 
> Mechanisms need to be put in place so that if there are pending
> writes and the disk happens to be spun up for a read, we take
> advantage of that spinup to push out the pending writes at
> the same time.
> 
> This behaviour should be all be enabled by a special "laptop mode"
> switch.
> 
> There's nothing particularly hard in all this...  I'll do a 2.5
> version at some stage.
> 
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