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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 - 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) Always specify snapshot cow LV for monitoring not internal LV. (2.02.165)
Fix lvchange --discard|--zero for active thin-pool. Fix lvchange --discard|--zero for active thin-pool.
Enforce 4MiB or 25% metadata free space for thin pool operations. 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)) if (lv_is_cow(lv))
origin = origin_from_cow(lv); origin = origin_from_cow(lv);
else if (lv_is_cache(lv) && first_seg(lv)->origin) else if (lv_is_cache(lv) && !lv_is_pending_delete(lv))
origin = first_seg(lv)->origin; origin = seg_lv(first_seg(lv), 0);
else if (lv_is_thin_volume(lv) && first_seg(lv)->origin) else if (lv_is_thin_volume(lv) && first_seg(lv)->origin)
origin = first_seg(lv)->origin; origin = first_seg(lv)->origin;
else if (lv_is_thin_volume(lv) && first_seg(lv)->external_lv) 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 --type cache-pool -L1 $vg/cpool
lvcreate -H -L4 -n $lv1 $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" check lv_field $vg/$lv1 copy_percent "0.00"
# there should be something present (value differs per policy version) # there should be something present (value differs per policy version)
test -n "$(get lv_field $vg/$lv1 data_percent)" test -n "$(get lv_field $vg/$lv1 data_percent)"