On Wed, Feb 08, 2017 at 11:48:04AM +0800, Qu Wenruo wrote: > Just don't believe the vanilla df output for btrfs. > > For btrfs, unlike other fs like ext4/xfs, which allocates chunk dynamically > and has different metadata/data profile, we can only get a clear view of the > fs from both chunk level(allocated/unallocated) and extent > level(total/used).
Actually, df lies on ext4 too. sysvfs-derived filesystems have statically allocated inodes, which means that if you try to store small files, at some point you'll run out of space despite df claiming you have plenty left. Meow! -- Autotools hint: to do a zx-spectrum build on a pdp11 host, type: ./configure --host=zx-spectrum --build=pdp11 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
