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Tables: Requesting prune only after export cleanup

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We can't free the network structures before the export has been cleaned
up, therefore it makes more sense to request prune only after export
cleanup. This change also reduces prune calls on table shutdown.
This commit is contained in:
Maria Matejka
2022-08-30 18:05:00 +02:00
parent 95d970d7a0
commit 34912b029b
1 changed files with 6 additions and 4 deletions
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10
nest/rt-table.c
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@@ -1748,10 +1748,6 @@ rte_recalculate(struct rt_import_hook *c, net *net, rte *new, struct rte_src *sr
rte_announce(table, net, new_stored, old_stored,
net->routes, old_best_stored);
if (!net->routes &&
(table->gc_counter++ >= table->config->gc_threshold))
rt_kick_prune_timer(table);
#if 0
/* Enable and reimplement these callbacks if anybody wants to use them */
if (old_ok && p->rte_remove)
@@ -2852,6 +2848,7 @@ rt_export_cleanup(rtable *tab)
u64 min_seq = ~((u64) 0);
struct rt_pending_export *last_export_to_free = NULL;
struct rt_pending_export *first = tab->exporter.first;
int want_prune = 0;
struct rt_export_hook *eh;
node *n;
@@ -2928,6 +2925,8 @@ rt_export_cleanup(rtable *tab)
/* First is now the next one */
net->first = atomic_load_explicit(&first->next, memory_order_relaxed);
want_prune += !net->routes && !net->first;
/* For now, the old route may be finally freed */
if (first->old)
{
@@ -3003,6 +3002,9 @@ done:;
rt_unlock_table(tab);
}
if ((tab->gc_counter += want_prune) >= tab->config->gc_threshold)
rt_kick_prune_timer(tab);
if (tab->export_used)
ev_schedule(tab->rt_event);