mtd_oob_buf32
#define MEMWRITEOOB32 _IOWR('M', 3, struct mtd_oob_buf32)
#define MEMREADOOB32 _IOWR('M', 4, struct mtd_oob_buf32)
struct mtd_oob_buf32 buf;
struct mtd_oob_buf32 __user *buf_user = argp;
struct mtd_oob_buf32 buf;
struct mtd_oob_buf32 __user *buf_user = argp;