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Commit ddb1d339 authored by Erik Hugne's avatar Erik Hugne Committed by David S. Miller
Browse files

tipc: purge deferred updates from dead nodes 



If a peer node becomes unavailable, in addition to removing the
nametable entries from this node we also need to purge all deferred
updates associated with this node.

Signed-off-by: default avatarErik Hugne <erik.hugne@gmail.com>
Signed-off-by: default avatarJon Maloy <jon.maloy@ericsson.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 541726ab

net/tipc/name_distr.c

+19 −0
Original line number Original line Diff line number Diff line
@@ -224,12 +224,31 @@ static void tipc_publ_purge(struct net *net, struct publication *publ, u32 addr) 
	kfree_rcu(p, rcu);

	kfree_rcu(p, rcu);

}

}





/**

 * tipc_dist_queue_purge - remove deferred updates from a node that went down

 */

static void tipc_dist_queue_purge(struct net *net, u32 addr)

{

	struct tipc_net *tn = net_generic(net, tipc_net_id);

	struct distr_queue_item *e, *tmp;



	spin_lock_bh(&tn->nametbl_lock);

	list_for_each_entry_safe(e, tmp, &tn->dist_queue, next) {

		if (e->node != addr)

			continue;

		list_del(&e->next);

		kfree(e);

	}

	spin_unlock_bh(&tn->nametbl_lock);

}



void tipc_publ_notify(struct net *net, struct list_head *nsub_list, u32 addr)

void tipc_publ_notify(struct net *net, struct list_head *nsub_list, u32 addr)

{

{

	struct publication *publ, *tmp;

	struct publication *publ, *tmp;





	list_for_each_entry_safe(publ, tmp, nsub_list, nodesub_list)

	list_for_each_entry_safe(publ, tmp, nsub_list, nodesub_list)

		tipc_publ_purge(net, publ, addr);

		tipc_publ_purge(net, publ, addr);

	tipc_dist_queue_purge(net, addr);

}

}





/**

/**