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imsm: fix num_domains 

The 'num_domains' field simply identifies the number of mirrors.  So it
is 2 for a 2-disk raid1 or a 4-disk raid10.  The orom does not currently
support more than 2 mirrors, but a three disk raid1 for example would
increase num_domains to 3.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams 2009-05-18 09:58:55 -07:00
parent 222a7bfd2e
commit 81062a36ab
1 changed files with 6 additions and 3 deletions
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9
super-intel.c
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@ -2405,13 +2405,16 @@ static int init_super_imsm_volume(struct supertype *st, mdu_array_info_t *info,
"in a raid1 volume\n");
return 0;
}
map->raid_level = info->level;
if (info->level == 10) {
map->raid_level = 1;
map->num_domains = info->raid_disks / 2;
} else {
map->raid_level = info->level;
} else if (info->level == 1)
map->num_domains = info->raid_disks;
else
map->num_domains = 1;
}
num_data_stripes = info_to_num_data_stripes(info, map->num_domains);
map->num_data_stripes = __cpu_to_le32(num_data_stripes);