imsm: add the ddf field

This field is always one in arrays created by the Windows driver / OROM,
not sure why...

Signed-off-by: Dan Williams <dan.j.williams@intel.com>

diff --git a/super-intel.c b/super-intel.c
index 3415da4706935393ccef8bdfaa72b3f7a724ad1c..300c7b86f6c261052f393b6b3b2b092e79860eac 100644 (file)
--- a/super-intel.c
+++ b/super-intel.c
@@ -89,7 +89,7 @@ struct imsm_map {
        __u8  num_members;      /* number of member disks */
        __u8  num_domains;      /* number of parity domains */
        __u8  failed_disk_num;  /* valid only when state is degraded */
-       __u8  reserved[1];
+       __u8  ddf;
        __u32 filler[7];        /* expansion area */
 #define IMSM_ORD_REBUILD (1 << 24)
        __u32 disk_ord_tbl[1];  /* disk_ord_tbl[num_members],
@@ -2397,6 +2397,7 @@ static int init_super_imsm_volume(struct supertype *st, mdu_array_info_t *info,
        map->failed_disk_num = ~0;
        map->map_state = info->level ? IMSM_T_STATE_UNINITIALIZED :
                                       IMSM_T_STATE_NORMAL;
+       map->ddf = 1;
 
        if (info->level == 1 && info->raid_disks > 2) {
                fprintf(stderr, Name": imsm does not support more than 2 disks"