On Sat, 08 Feb 2014 22:35:40 +0100 Kai Krakow <hurikhan77+btrfs@xxxxxxxxx> wrote: > Imagine the future: Btrfs supports different RAID levels per subvolume. We > need to figure out where to place a new subvolume. I need raw numbers for > it. Df won't tell me that now. Things become very difficult now. If you need to perform a btrfs-specific operation, you can easily use the btrfs-specific tools to prepare for it, specifically use "btrfs fi df" which could give provide every imaginable interpretation of free space estimate and then some. UNIX 'df' and the 'statfs' call on the other hand should keep the behavior people are accustomized to rely on since 1970s. -- With respect, Roman
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