Lennart Poettering
66f3fdbb07
This reworks how device units are "powered on". This makes sure that any device changes that might have happened while we were restarting/reloading will be noticed properly. For that we'll now properly serialize/deserialize both the device unit state and the device "found" flags, and restore these initially in the "coldplug" phase of the manager deserialization. While enumerating the udev devices during startup we'll put together a new "found" flags mask, which we'll the switch to in the "catchup" phase of the manager deserialization, which follows the "coldplug" phase. Note that during the "coldplug" phase no unit state change events are generated, which is different for the "catchall" phase which will do that. Thus we correctly make sure that the deserialized state won't pull in new deps, but any device's change while we were reloading would. Fixes: #8832 Replaces: #8675
systemd - System and Service Manager
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