diff options
| author | David Howells <dhowells@redhat.com> | 2022-10-20 09:08:34 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2023-01-06 09:43:31 +0000 |
| commit | f2cce89a074e6d2991dddc94f6b6ebe1576b8459 (patch) | |
| tree | 98bf03d234ce0e6de0e16d2b5f3267b34f2e502c /net/rxrpc/conn_object.c | |
| parent | 03fc55adf8761c546d72798264b019c9f672c578 (diff) | |
rxrpc: Implement a mechanism to send an event notification to a connection
Provide a means by which an event notification can be sent to a connection
through such that the I/O thread can pick it up and handle it rather than
doing it in a separate workqueue.
This is then used to move the deferred final ACK of a call into the I/O
thread rather than a separate work queue as part of the drive to do all
transmission from the I/O thread.
Signed-off-by: David Howells <dhowells@redhat.com>
cc: Marc Dionne <marc.dionne@auristor.com>
cc: linux-afs@lists.infradead.org
Diffstat (limited to 'net/rxrpc/conn_object.c')
| -rw-r--r-- | net/rxrpc/conn_object.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/net/rxrpc/conn_object.c b/net/rxrpc/conn_object.c index 2bd3f6288895..281f59e356f5 100644 --- a/net/rxrpc/conn_object.c +++ b/net/rxrpc/conn_object.c @@ -23,12 +23,30 @@ static void rxrpc_clean_up_connection(struct work_struct *work); static void rxrpc_set_service_reap_timer(struct rxrpc_net *rxnet, unsigned long reap_at); +void rxrpc_poke_conn(struct rxrpc_connection *conn, enum rxrpc_conn_trace why) +{ + struct rxrpc_local *local = conn->local; + bool busy; + + if (WARN_ON_ONCE(!local)) + return; + + spin_lock_bh(&local->lock); + busy = !list_empty(&conn->attend_link); + if (!busy) { + rxrpc_get_connection(conn, why); + list_add_tail(&conn->attend_link, &local->conn_attend_q); + } + spin_unlock_bh(&local->lock); + rxrpc_wake_up_io_thread(local); +} + static void rxrpc_connection_timer(struct timer_list *timer) { struct rxrpc_connection *conn = container_of(timer, struct rxrpc_connection, timer); - rxrpc_queue_conn(conn, rxrpc_conn_queue_timer); + rxrpc_poke_conn(conn, rxrpc_conn_get_poke_timer); } /* |