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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>
This commit is contained in:
Dan Williams 2009-04-12 00:58:28 -07:00
parent 979d38be50
commit 252d23c018
1 changed files with 2 additions and 1 deletions
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3
super-intel.c
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@ -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"