Re: 3.14.0-rc3 btrfs scrub is preventing my laptop from going to sleep

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On Mon, Mar 03, 2014 at 05:18:33PM -0500, Josef Bacik wrote:
> > Maybe it will work if we cancel the scrub as opposed to pausing it,
> > but of course it's not ideal. Is that the next step?
> 
> Sigh I thought the PM stuff called freeze_fs() but I think that was
> just tuxonice.  I don't have a quick fix at the moment, I really will
> have to wait on this until after qgroups.  Thanks,

That's ok, thanks for giving it a shot.

For now, I just stuck this in /etc/acpi/sleep.sh
awk '/btrfs/ { print $1 }' /proc/mounts | sort -u | while read fs; do btrfs scrub cancel $fs; done

Not great, but it ensures my laptop will go to sleep and not kill my
batteries with the lid closed :)

Marc
-- 
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems ....
                                      .... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/                         | PGP 1024R/763BE901
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