EXT2F_INCOMPAT_SUPP
ext2fs.e2fs_features_incompat & ~EXT2F_INCOMPAT_SUPP))) {
u32 = fs->e2fs_features_incompat & ~EXT2F_INCOMPAT_SUPP;
(fs->e2fs.e2fs_features_incompat & ~EXT2F_INCOMPAT_SUPP) != 0)))