From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Pavel Machek <pavel@suse.cz>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [ide-dev 3/5] generic Power Management for IDE devices
Date: Thu, 3 Feb 2005 14:34:29 +0100 [thread overview]
Message-ID: <58cb370e050203053421b571be@mail.gmail.com> (raw)
In-Reply-To: <1107332644.14782.115.camel@localhost.localdomain>
On Thu, 03 Feb 2005 10:03:00 +0000, Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:
> On Maw, 2005-02-01 at 23:03, Bartlomiej Zolnierkiewicz wrote:
> > On Sat, 22 Jan 2005 19:41:24 +0100, Pavel Machek <pavel@suse.cz> 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.
prev parent reply other threads:[~2005-02-03 13:39 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-21 23:05 [ide-dev 3/5] generic Power Management for IDE devices Bartlomiej Zolnierkiewicz
2005-01-22 18:41 ` Pavel Machek
2005-02-01 23:03 ` Bartlomiej Zolnierkiewicz
2005-02-01 23:24 ` Pavel Machek
2005-02-01 23:24 ` Benjamin Herrenschmidt
2005-02-01 23:29 ` Pavel Machek
2005-02-03 10:03 ` Alan Cox
2005-02-03 13:34 ` Bartlomiej Zolnierkiewicz [this message]
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