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Add MD_ARRAY_SIZE for --examine --export 

An additional pair of key=value for --examine --export.

Signed-off-by: Maciej Naruszewicz <maciej.naruszewicz@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>
This commit is contained in:
Maciej Naruszewicz 2012-10-02 16:42:25 +10:00 committed by NeilBrown
parent f0ec67106c
commit 80730bae52
1 changed files with 19 additions and 0 deletions
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19
super1.c
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@ -495,6 +495,7 @@ static void export_examine_super1(struct supertype *st)
struct mdp_superblock_1 *sb = st->sb;
int i;
int len = 32;
int layout;
printf("MD_LEVEL=%s\n", map_num(pers, __le32_to_cpu(sb->level)));
printf("MD_DEVICES=%d\n", __le32_to_cpu(sb->raid_disks));
@ -506,6 +507,24 @@ static void export_examine_super1(struct supertype *st)
}
if (len)
printf("MD_NAME=%.*s\n", len, sb->set_name);
if (__le32_to_cpu(sb->level) > 0) {
int ddsks = 0, ddsks_denom = 1;
switch(__le32_to_cpu(sb->level)) {
case 1: ddsks=1;break;
case 4:
case 5: ddsks = __le32_to_cpu(sb->raid_disks)-1; break;
case 6: ddsks = __le32_to_cpu(sb->raid_disks)-2; break;
case 10:
layout = __le32_to_cpu(sb->layout);
ddsks = __le32_to_cpu(sb->raid_disks);
ddsks_denom = (layout&255) * ((layout>>8)&255);
}
if (ddsks) {
long long asize = __le64_to_cpu(sb->size);
asize = (asize << 9) * ddsks / ddsks_denom;
printf("MD_ARRAY_SIZE=%s\n",human_size_brief(asize,JEDEC));
}
}
printf("MD_UUID=");
for (i=0; i<16; i++) {
if ((i&3)==0 && i != 0) printf(":");