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vgsplit: ea90a3d622
added an unconditional call to lv_is_on_pvs()
on any thin snap external origin LV which caused a segfault when none existed as exposed by the vgsplit-thin.sh test. Only call lv_is_on_pvs() if an external origin LV actually exists and correct the related splitting logic.
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@ -331,8 +331,8 @@ static int _move_thins(struct volume_group *vg_from,
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data_lv = seg_lv(first_seg(seg->pool_lv), 0);
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/* Ignore, if no allocations on PVs of @vg_to */
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if (!lv_is_on_pvs(data_lv, &vg_to->pvs) &&
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!lv_is_on_pvs(seg->external_lv, &vg_to->pvs))
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if (!lv_is_on_pvs(data_lv, &vg_to->pvs) ||
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(seg->external_lv && !lv_is_on_pvs(seg->external_lv, &vg_to->pvs)))
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continue;
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if ((_lv_is_in_vg(vg_to, data_lv) ||
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