(In reply to Filipe Manana from comment #10) > Jeff has a patch that updates the documentation and makes lsattr show X > (FS_NOCOMP_FL) regardless of building with or without --enable-compression. FS_NOCOMP_FL is gone from e2fsprogs. It needs to be re-added for Btrfs. http://git.kernel.org/cgit/fs/ext2/e2fsprogs.git/commit/lib/e2p/pf.c?id=4a05268cf86f7138c78d80a53f7e162f32128a3d