EXT2_FEATURE_INCOMPAT_SUPP  851 fs/ext2/super.c 	features = EXT2_HAS_INCOMPAT_FEATURE(sb, ~EXT2_FEATURE_INCOMPAT_SUPP);
EXT2_FEATURE_INCOMPAT_SUPP  491 include/linux/ext2_fs.h #define EXT2_FEATURE_INCOMPAT_UNSUPPORTED	~EXT2_FEATURE_INCOMPAT_SUPP