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rxrpc: Only set/transmit aborts in the I/O thread

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Only set the abort call completion state in the I/O thread and only
transmit ABORT packets from there.  rxrpc_abort_call() can then be made to
actually send the packet.

Further, ABORT packets should only be sent if the call has been exposed to
the network (ie. at least one attempted DATA transmission has occurred for
it).

Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
This commit is contained in:
David Howells
2022-10-12 22:17:56 +01:00
parent 30df927b93
commit a343b174b4
7 changed files with 50 additions and 18 deletions
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7
net/rxrpc/call_object.c
View File

@@ -430,6 +430,8 @@ void rxrpc_incoming_call(struct rxrpc_sock *rx,
call->state = RXRPC_CALL_SERVER_SECURING;
call->cong_tstamp = skb->tstamp;
__set_bit(RXRPC_CALL_EXPOSED, &call->flags);
spin_lock(&conn->state_lock);
switch (conn->state) {
@@ -590,7 +592,7 @@ void rxrpc_release_calls_on_socket(struct rxrpc_sock *rx)
call = list_entry(rx->to_be_accepted.next,
struct rxrpc_call, accept_link);
list_del(&call->accept_link);
rxrpc_abort_call("SKR", call, 0, RX_CALL_DEAD, -ECONNRESET);
rxrpc_propose_abort(call, RX_CALL_DEAD, -ECONNRESET, "SKR");
rxrpc_put_call(call, rxrpc_call_put_release_sock_tba);
}
@@ -598,8 +600,7 @@ void rxrpc_release_calls_on_socket(struct rxrpc_sock *rx)
call = list_entry(rx->sock_calls.next,
struct rxrpc_call, sock_link);
rxrpc_get_call(call, rxrpc_call_get_release_sock);
rxrpc_abort_call("SKT", call, 0, RX_CALL_DEAD, -ECONNRESET);
rxrpc_send_abort_packet(call);
rxrpc_propose_abort(call, RX_CALL_DEAD, -ECONNRESET, "SKT");
rxrpc_release_call(rx, call);
rxrpc_put_call(call, rxrpc_call_put_release_sock);
}