HFS_DRVR_DESC_MAGIC   18 fs/hfs/hfs.h   #define HFS_DRVR_DESC_MAGIC	0x4552 /* "ER": driver descriptor map */
HFS_DRVR_DESC_MAGIC   24 fs/hfsplus/part_tbl.c #define HFS_DRVR_DESC_MAGIC	0x4552 /* "ER": driver descriptor map */