Michal Sekletár
9a1e90aee5
Low-level cgroup freezer state manipulation is invoked directly from the job engine when we are about to execute the job in order to make sure the unit is not frozen and job execution is not blocked because of that. Currently with cgroup v1 we would needlessly do a bunch of work in the function and even falsely update the freezer state. Don't do any of this and skip the function silently when v2 freezer is not available. Following bug is fixed by this commit, $ systemd-run --unit foo.service /bin/sleep infinity $ systemctl restart foo.service $ systemctl show -p FreezerState foo.service Before (cgroup v1, i.e. full "legacy" mode): FreezerState=thawing After: FreezerState=running
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