hfs_ext_keycmp    177 fs/hfs/hfs_fs.h extern int hfs_ext_keycmp(const btree_key *, const btree_key *);
hfs_ext_keycmp    192 fs/hfs/mdb.c   	HFS_SB(sb)->ext_tree = hfs_btree_open(sb, HFS_EXT_CNID, hfs_ext_keycmp);