On Wed, Oct 17, 2012 at 2:08 PM, Ritesh Raj Sarraf <r...@researchut.com> wrote:
> On Wednesday 17 October 2012 02:37 PM, Jasmine Hassan wrote:
>> though, from the logic you propose, yes. that's one way to go. I was
>> thinking even something like:
>> if [ "`cat /proc/sys/vm/laptop_mode`" = "$LM_SECONDS_BEFORE_SYNC" ] ...
>> for laptop-mode status
> No. That won't help. It is not just about setting the kernel knob. We do
> a lot more than that.
Of course. It's just that:
set_sysctl /proc/sys/vm/laptop_mode 0
is hardcoded in /usr/share/laptop-mode-tools/modules/laptop-mode ,
when deactivating.
So if I do `service start laptop-mode`m edit config file to disable
LMT, I can still do `service stop laptop-mode` without it enabled.
As it stands:
/usr/sbin/laptop_mode
# If the init script has not been run or has been run with the "stop"
# argument, then we should never start laptop mode.
if [ ! -f /var/run/laptop-mode-tools/enabled ] ; then
log "VERBOSE" "Laptop mode disabled because
/var/run/laptop-mode-tools/enabled is missing."
STATE=disabled
fi
...
if [ "$STATE" = "disabled" ] ; then
ACTIVATE=0
fi
...
if [ "$ACTIVATE" -eq 0 ] ; then
ACTIVATE_WITH_POSSIBLE_DATA_LOSS=0
...
# WAS_ACTIVE is used later on. If there is no
/var/run/laptop-mode-tools/state, then
# we know that laptop mode wasn't active before.
WAS_ACTIVE=0
...
I fail to see how it would be stopped, when service was started but
user disabled in config.
It's been a while since I looked at /usr/sbin/laptop_mode :)
>
>
> --
> Ritesh Raj Sarraf
> RESEARCHUT - http://www.researchut.com
> "Necessity is the mother of invention."
>
>
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