and running via --network-mode solves this, but this fix is partial since no --network-mode or vfs cache write mode will throw as low file free storages.
So, this doesn't solve the underlying problem. However, I don't think there's any other way to fix the problem that I'm experiencing I'm having than to modify the code. So, I'm asking to disable directory calculation cli option which makes total, used, free usage to hardcoded one.
I am not even sure it is rclone limitation - it is WinFsP (fuse) only reporting the available space of the top-level share directory and not reporting free space on a per-directory basis.
You can use similar workaround like here and mount individual directories to path.
After investigating, I'm not sure about subdirs having different capacities now.
So, I moved away from the current underlying issue and described the most likely solution.