Yep, btrfs will happily do this to you. I verified it the hard way
Well btrfs supports compression so that’s understandable. However I personally prefer to control compression manually so it only compresses files marked by me for compression using chattr(1).
alt Hacker News
Well btrfs supports compression so that’s understandable. However I personally prefer to control compression manually so it only compresses files marked by me for compression using chattr(1).