Messages in this thread | | | Date | Mon, 11 May 2015 16:22:26 -0400 | Subject | Re: [PATCH 1/1] suspend: delete sys_sync() | From | Len Brown <> |
| |
On Sun, May 10, 2015 at 9:44 PM, Dave Chinner <david@fromorbit.com> wrote:
> ...Please explain what your use case is that makes this > so prohibitively expensive it needs to be removed.
wake on packet, process packet without turning on the display, immediately suspend. Do this potentially several times per second.
>> The user-space utilities s2ram and s2disk choose to invoke sync() today. >> A user can invoke suspend directly via /sys/power/state to skip that cost. > > So, you want to have s2disk write all the dirty pages in memory to > the suspend image, rather than to the filesystem?
The s2disk utility is unchanged by this proposal, it already includes a sync().
cheers, Len Brown, Intel Open Source Technology Center
| |