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rxrpc: Provide queuing helper functions
Provide queueing helper functions so that the queueing of local and connection objects can be fixed later. The issue is that a ref on the object needs to be passed to the work queue, but the act of queueing the object may fail because the object is already queued. Testing the queuedness of an object before hand doesn't work because there can be a race with someone else trying to queue it. What will have to be done is to adjust the refcount depending on the result of the queue operation. Signed-off-by: David Howells <dhowells@redhat.com>
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@ -35,7 +35,6 @@ struct rxrpc_crypt {
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queue_delayed_work(rxrpc_workqueue, (WS), (D))
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#define rxrpc_queue_call(CALL) rxrpc_queue_work(&(CALL)->processor)
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#define rxrpc_queue_conn(CONN) rxrpc_queue_work(&(CONN)->processor)
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struct rxrpc_connection;
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@ -566,6 +565,12 @@ static inline void rxrpc_get_connection(struct rxrpc_connection *conn)
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atomic_inc(&conn->usage);
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}
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static inline void rxrpc_queue_conn(struct rxrpc_connection *conn)
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{
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rxrpc_queue_work(&conn->processor);
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}
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/*
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* input.c
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*/
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@ -618,6 +623,11 @@ static inline void rxrpc_put_local(struct rxrpc_local *local)
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__rxrpc_put_local(local);
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}
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static inline void rxrpc_queue_local(struct rxrpc_local *local)
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{
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rxrpc_queue_work(&local->processor);
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}
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/*
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* misc.c
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*/
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@ -318,7 +318,7 @@ void rxrpc_reject_packet(struct rxrpc_local *local, struct sk_buff *skb)
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CHECK_SLAB_OKAY(&local->usage);
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skb_queue_tail(&local->reject_queue, skb);
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rxrpc_queue_work(&local->processor);
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rxrpc_queue_local(local);
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}
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/*
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@ -595,7 +595,7 @@ static void rxrpc_post_packet_to_local(struct rxrpc_local *local,
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_enter("%p,%p", local, skb);
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skb_queue_tail(&local->event_queue, skb);
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rxrpc_queue_work(&local->processor);
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rxrpc_queue_local(local);
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}
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/*
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