[TUHS] Origin of the name 'strategy'

Dave Horsfall dave at horsfall.org
Tue Jan 8 07:27:58 AEST 2019


On Mon, 7 Jan 2019, Warner Losh wrote:

> So what's the origin of the name 'strategy'  for the I/O routine in Unix 
> that drivers provide? Everything I've found in the early papers just 
> says that's what the routine is called. Is there a story behind why it 
> was chosen? My own theory is that it's in the sense of 'coping strategy' 
> when the driver needs to service more I/O for the upper layers, but 
> that's just a WAG.

My guess is that it's supposed to optimise disk access; Ken may know.

-- Dave


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