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

Arve Hjønnevåg
2010-05-27T08:05:08Z

2010/5/27 Vitaly Wool <vitalywool@gmail.com>:
> 2010/5/27 Arve Hjønnevåg <arve@android.com>:
>> On Wed, May 26, 2010 at 6:16 AM, Alan Cox <alan@lxorguk.ukuu.org.uk> wrote:
>>>> Really, what are you getting at? Do you deny that there are programs,
>>>> that prevent a device from sleeping? (Just think of the bouncing
>>>> cows app)
>>>>
>>>> And if you have two kernels, one with which your device is dead after 1
>>>> hour and one with which your device is dead after 10 hours. Which would
>>>> you prefer? I mean really... this is ridiculous.
>>>
>>> The problem you have is that this is policy. If I have the device wired
>>> to a big screen and I want cows bouncing on it I'll be most upset if
>>> instead it suspends.
>>
>> We never suspend when the screen is on. If the screen is off, I would
>> not be upset if it suspends.
>
> That's /wrong/. What if you have an active download ongoing when the
> screen is off? This ugly simplistic approach is one of the worst
> things in Android.

On android we have code that blocks suspend while downloading. On
non-android systems I have used if the download has not finished by
the time the auto-sleep timeout kicks in, the system will suspend and
the download halts.

--
Arve Hjønnevåg