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rxrpc: Add RCU destruction for connections and calls

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Add RCU destruction for connections and calls as the RCU lookup from the
transport socket data_ready handler is going to come along shortly.

Whilst we're at it, move the cleanup workqueue flushing and RCU barrierage
into the destruction code for the objects that need it (locals and
connections) and add the extra RCU barrier required for connection cleanup.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells 2016-06-27 17:11:19 +01:00
parent e653cfe49c
commit dee46364ce
6 changed files with 60 additions and 36 deletions
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19
net/rxrpc/local_object.c
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@ -374,14 +374,17 @@ void __exit rxrpc_destroy_all_locals(void)
_enter("");
if (list_empty(&rxrpc_local_endpoints))
return;
flush_workqueue(rxrpc_workqueue);
mutex_lock(&rxrpc_local_mutex);
list_for_each_entry(local, &rxrpc_local_endpoints, link) {
pr_err("AF_RXRPC: Leaked local %p {%d}\n",
local, atomic_read(&local->usage));
if (!list_empty(&rxrpc_local_endpoints)) {
mutex_lock(&rxrpc_local_mutex);
list_for_each_entry(local, &rxrpc_local_endpoints, link) {
pr_err("AF_RXRPC: Leaked local %p {%d}\n",
local, atomic_read(&local->usage));
}
mutex_unlock(&rxrpc_local_mutex);
BUG();
}
mutex_unlock(&rxrpc_local_mutex);
BUG();
rcu_barrier();
}