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lv_manip: hide layered LV temporarily
Since vg_validate() now rejects LVs without segments and insert_layer_for_segments_on_pv() gets just created 'layer_lv' without segment, it needs to be hidden from vg->lvs during processing of _align_segment_boundary_to_pe_range() as this function calls lv_validate() and now requires vg to be consistent. LV is then put back into vg->lvs.
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@ -7054,9 +7054,19 @@ int insert_layer_for_segments_on_pv(struct cmd_context *cmd,
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layer_lv->name, lv_where->name,
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pvl ? pv_dev_name(pvl->pv) : "any");
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/* Temporarily hide layer_lv from vg->lvs list
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* so the lv_split_segment() passes vg_validate()
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* since here layer_lv has empty segment list */
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if (!(lvl = find_lv_in_vg(lv_where->vg, layer_lv->name)))
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return_0;
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dm_list_del(&lvl->list);
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if (!_align_segment_boundary_to_pe_range(lv_where, pvl))
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return_0;
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/* Put back layer_lv in vg->lv */
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dm_list_add(&lv_where->vg->lvs, &lvl->list);
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/* Work through all segments on the supplied PV */
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dm_list_iterate_items(seg, &lv_where->segments) {
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for (s = 0; s < seg->area_count; s++) {
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