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cache: restore reported origin field

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Commit 199697accf rerouted funtion
for priting cache volume origin to lvm2app app function - which
however had a bug.  So restore the original functionality
and print correct LV as cache origin LV.
This commit is contained in:
Zdenek Kabelac 2016-09-20 14:26:11 +02:00
parent 414d39085c
commit 67d4b3b7f2
3 changed files with 4 additions and 2 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.166 -
=====================================
Fix reported origin lv field for cache volumes. (2.02.133)
Always specify snapshot cow LV for monitoring not internal LV. (2.02.165)
Fix lvchange --discard|--zero for active thin-pool.
Enforce 4MiB or 25% metadata free space for thin pool operations.

4
lib/metadata/lv.c
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@ -537,8 +537,8 @@ struct logical_volume *lv_origin_lv(const struct logical_volume *lv)
if (lv_is_cow(lv))
origin = origin_from_cow(lv);
else if (lv_is_cache(lv) && first_seg(lv)->origin)
origin = first_seg(lv)->origin;
else if (lv_is_cache(lv) && !lv_is_pending_delete(lv))
origin = seg_lv(first_seg(lv), 0);
else if (lv_is_thin_volume(lv) && first_seg(lv)->origin)
origin = first_seg(lv)->origin;
else if (lv_is_thin_volume(lv) && first_seg(lv)->external_lv)

1
test/shell/lvcreate-cache.sh
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@ -85,6 +85,7 @@ lvremove -f $vg
lvcreate --type cache-pool -L1 $vg/cpool
lvcreate -H -L4 -n $lv1 $vg/cpool
check lv_field $vg/$lv1 origin "[${lv1}_corig]"
check lv_field $vg/$lv1 copy_percent "0.00"
# there should be something present (value differs per policy version)
test -n "$(get lv_field $vg/$lv1 data_percent)"