After following this tutorial, How to add the unallocated space/partition to the Fedora partition/drive? - #2 by emanuc
How do I properly balance my disk after doing the add device from the unallocated space after shrinking the Windows volume?
Here’s the screenshot of my sudo btrfs filesystem usage -T /
I do not have a direct answer, but for all questions on btrfs I find that this wiki is very useful": Btrfs filesystem wiki with guides, facts and best practices. | Forza's Ramblings
There is no need to rebalance the filesystem unless you change the data or metadata profile (e.g. RAID1). As the currently used partition fills up, Btrfs will automatically start allocating space on the other partition.
So no need to balance my disk then?
Also when is the balancing is needed?