On Mon, 27 Apr 2020 12:46:47 +0000 J.Witvliet--- via users wrote:
That’s odd. The data structures in memory should know if the dirty-flag is set or not.
You'd think, but for many releases now (long ago it didn't happen) if I have a USB drive plugged in and not even mounted, doing a reboot pauses for a long time till I hear the disk spin up. Not sure the sync waits unless the disk is actually mounted (haven't experimented).