umka_init
disk_add ../img/xfs_v4_ftype0_s05k_b2k_n8k_xattr.img hd0 -c 0
ls70 /hd0/1/sf_empty
ls70 /hd0/1/sf
ls70 /hd0/1/block
ls70 /hd0/1/leaf
ls70 /hd0/1/node
ls70 /hd0/1/btree_leaf
ls70 /hd0/1/btree_leaf_free
disk_del hd0