 kfree(HFS_SB(sb)); sb->s_fs_info = NULL; 
void hfs_mdb_put(struct super_block *sb){	/* free the B-trees */	hfs_btree_close(HFS_SB(sb)->ext_tree);	hfs_btree_close(HFS_SB(sb)->cat_tree);	/* free the buffers holding the primary and alternate MDBs */	brelse(HFS_SB(sb)->mdb_bh);	brelse(HFS_SB(sb)->alt_mdb_bh);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/945b092011c6af71a0107be96e119c8c08776f3f/mdb.c/clean/fs/hfs/mdb.c