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by sprash 3098 days ago
This is an engineering problem where tradeoffs have to be made. E.g. You could make it appear that the disk is about 90% full all the time if you queue up the trim commands in some deterministic way. This way you only could determine if the disk is more or less than about 90% full at any time. I think good engineers would come up with something even better.

This would be on a level of a nice CS Bachelors/Masters thesis.