Commit 54086c5a authored by Jakub Kicinski's avatar Jakub Kicinski
Browse files

Merge tag 'rxrpc-next-20201015' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs 



David Howells says:

====================
rxrpc fixes

Here are a couple of fixes that need to be applied on top of rxrpc patches
in net-next:

 (1) Fix a bug in the connection bundle changes in the net-next tree.

 (2) Fix the loss of final ACK on socket shutdown.
====================

Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parents 0ec78cdb ddc7834a

net/rxrpc/ar-internal.h

+1 −0
Original line number Diff line number Diff line
@@ -831,6 +831,7 @@ void rxrpc_clean_up_local_conns(struct rxrpc_local *); 
 * conn_event.c

 */

void rxrpc_process_connection(struct work_struct *);

void rxrpc_process_delayed_final_acks(struct rxrpc_connection *, bool);



/*

 * conn_object.c

net/rxrpc/conn_client.c

+6 −2
Original line number Diff line number Diff line
@@ -901,11 +901,14 @@ static void rxrpc_unbundle_conn(struct rxrpc_connection *conn) 
	struct rxrpc_bundle *bundle = conn->bundle;

	struct rxrpc_local *local = bundle->params.local;

	unsigned int bindex;

	bool need_drop = false;

	bool need_drop = false, need_put = false;

	int i;



	_enter("C=%x", conn->debug_id);



	if (conn->flags & RXRPC_CONN_FINAL_ACK_MASK)

		rxrpc_process_delayed_final_acks(conn, true);



	spin_lock(&bundle->channel_lock);

	bindex = conn->bundle_shift / RXRPC_MAXCALLS;

	if (bundle->conns[bindex] == conn) {
@@ -928,10 +931,11 @@ static void rxrpc_unbundle_conn(struct rxrpc_connection *conn) 
		if (i == ARRAY_SIZE(bundle->conns) && !bundle->params.exclusive) {

			_debug("erase bundle");

			rb_erase(&bundle->local_node, &local->client_bundles);

			need_put = true;

		}



		spin_unlock(&local->client_bundles_lock);

		if (i == ARRAY_SIZE(bundle->conns))

		if (need_put)

			rxrpc_put_bundle(bundle);

	}

net/rxrpc/conn_event.c

+3 −3
Original line number Diff line number Diff line
@@ -397,7 +397,7 @@ abort: 
/*

 * Process delayed final ACKs that we haven't subsumed into a subsequent call.

 */

static void rxrpc_process_delayed_final_acks(struct rxrpc_connection *conn)

void rxrpc_process_delayed_final_acks(struct rxrpc_connection *conn, bool force)

{

	unsigned long j = jiffies, next_j;

	unsigned int channel;
@@ -416,7 +416,7 @@ again: 
		smp_rmb(); /* vs rxrpc_disconnect_client_call */

		ack_at = READ_ONCE(chan->final_ack_at);



		if (time_before(j, ack_at)) {

		if (time_before(j, ack_at) && !force) {

			if (time_before(ack_at, next_j)) {

				next_j = ack_at;

				set = true;
@@ -450,7 +450,7 @@ static void rxrpc_do_process_connection(struct rxrpc_connection *conn) 


	/* Process delayed ACKs whose time has come. */

	if (conn->flags & RXRPC_CONN_FINAL_ACK_MASK)

		rxrpc_process_delayed_final_acks(conn);

		rxrpc_process_delayed_final_acks(conn, false);



	/* go through the conn-level event packets, releasing the ref on this

	 * connection that each one has when we've finished with it */

CRA Git | Maintained and supported by SUSTech CRA and CCSE