HFS_SUPER_MAGIC    21 fs/hfs/hfs.h   #define HFS_SUPER_MAGIC		0x4244 /* "BD": HFS MDB (super block) */
HFS_SUPER_MAGIC    29 fs/hfsplus/part_tbl.c #define HFS_SUPER_MAGIC		0x4244 /* "BD": HFS MDB (super block) */