erase_info_user 78 include/mtd/mtd-abi.h #define MEMERASE _IOW('M', 2, struct erase_info_user) erase_info_user 81 include/mtd/mtd-abi.h #define MEMLOCK _IOW('M', 5, struct erase_info_user) erase_info_user 82 include/mtd/mtd-abi.h #define MEMUNLOCK _IOW('M', 6, struct erase_info_user) erase_info_user 14 include/mtd/mtd-user.h typedef struct erase_info_user erase_info_t;