Re: [PATCH 0/8] Suspend block api (version 8)

Alan Stern
2010-05-27T17:29:18Z

On Thu, 27 May 2010, Peter Zijlstra wrote:

> On Thu, 2010-05-27 at 13:04 -0400, Alan Stern wrote:
> >
> > Does this mean you believe "echo mem >/sys/power/state" is bad and
> > should be removed? Or "echo disk >/sys/power/state"? They pay no
> > attention to latencies or other requirements.
>
> Those are a whole different beast, those are basically a quick-off
> button like thing. Forced suspend is conceptually a very different beast
> from power-saving a running system.

They may be different conceptually. Nevertheless, Android uses forced
suspend as a form of power saving. Until better mechanisms are in
place, it makes sense.

Alan Stern