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layers: collect only lock holding LVs

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This commit is contained in:
Zdenek Kabelac 2017-11-09 11:41:16 +01:00
parent cc854c0617
commit eab9097b46
1 changed files with 17 additions and 6 deletions
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23
lib/metadata/lv_manip.c
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@ -7057,6 +7057,7 @@ int insert_layer_for_segments_on_pv(struct cmd_context *cmd,
struct lv_list *lvl;
int lv_used = 0;
uint32_t s;
struct logical_volume *holder = (struct logical_volume *) lv_lock_holder(lv_where);
log_very_verbose("Inserting layer %s for segments of %s on %s",
layer_lv->name, lv_where->name,
@ -7083,13 +7084,23 @@ int insert_layer_for_segments_on_pv(struct cmd_context *cmd,
/* First time, add LV to list of LVs affected */
if (!lv_used && lvs_changed) {
if (!(lvl = dm_pool_alloc(cmd->mem, sizeof(*lvl)))) {
log_error("lv_list alloc failed");
return 0;
/* First check if LV is listed already */
dm_list_iterate_items(lvl, lvs_changed)
if (lvl->lv == holder) {
lv_used = 1;
break;
}
if (!lv_used) {
if (!(lvl = dm_pool_alloc(cmd->mem, sizeof(*lvl)))) {
log_error("lv_list alloc failed.");
return 0;
}
lvl->lv = holder;
dm_list_add(lvs_changed, &lvl->list);
lv_used = 1;
}
lvl->lv = lv_where;
dm_list_add(lvs_changed, &lvl->list);
lv_used = 1;
}
if (!_extend_layer_lv_for_segment(layer_lv, seg, s,