From: Dan Williams <dan.j.williams@intel.com>
Date: Sun, 12 Apr 2009 07:58:28 +0000 (-0700)
Subject: imsm: add the ddf field
X-Git-Tag: mdadm-3.0-rc1~28^2~3
X-Git-Url: http://git.ipfire.org/?p=thirdparty%2Fmdadm.git;a=commitdiff_plain;h=252d23c018cefb2e42c494b1789f5e4945063ee3;hp=979d38be50e84b70e0809249a6b05864049fb97d

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 3415da47..300c7b86 100644
--- 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"