Re: [ide-dev 3/5] generic Power Management for IDE devices

[Bartlomiej Zolnierkiewicz]

On Thu, 03 Feb 2005 10:03:00 +0000, Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> wrote:
> On Maw, 2005-02-01 at 23:03, Bartlomiej Zolnierkiewicz wrote:
> > On Sat, 22 Jan 2005 19:41:24 +0100, Pavel Machek <pavel@xxxxxxx> wrote:
> > > Why do you need to have state-machine? During suspend we are running
> > > single-threaded, it should be okay to just do the calls directly.
> > >                                 Pavel
> >
> > If we are running single-threaded I also see no reason for state-machine.
> > Ben?
> 
> There may be outstanding I/O running at the time of the suspend. You
> want to keep everything nicely ordered. The state machine suspend code
> looks to me the right answer and is cleaner.

Outstanding I/Os won't be a problem - suspend will be done as one
request.  Anyway, state machine is not going away.
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