Resize btrfs partition and filesystem (on a gpt disk)
This is sooooo easy.
- sudo umount /mnt/storage1/
- sudo parted /dev/sde
- (parted) print
- (parted) rm 1
- (parted) mkpart 1 ext2 1049kb 100%
- (parted) quit
- sudo mount /mnt/storage1/
- sudo btrfs filesystem resize max /mnt/storage1/
- done!