mdu_array_info_t 22 include/linux/raid/md_u.h #define GET_ARRAY_INFO _IOR (MD_MAJOR, 0x11, mdu_array_info_t) mdu_array_info_t 32 include/linux/raid/md_u.h #define SET_ARRAY_INFO _IOW (MD_MAJOR, 0x23, mdu_array_info_t) mdu_array_info_t 190 init/do_mounts_md.c mdu_array_info_t ainfo;