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| author | David Howells <dhowells@redhat.com> | 2022-10-10 15:51:39 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2022-12-01 13:36:41 +0000 |
| commit | 15f661dc95daec9b38e8e4cc931c95afe0ae0cef (patch) | |
| tree | aa5687f899ffe2c55438704c386ac5cdaed4370a /net/rxrpc/ar-internal.h | |
| parent | 81f2e8adc0fd10847637873dafe8610f3fb4cdff (diff) | |
| download | lwn-15f661dc95daec9b38e8e4cc931c95afe0ae0cef.tar.gz lwn-15f661dc95daec9b38e8e4cc931c95afe0ae0cef.zip | |
rxrpc: Implement a mechanism to send an event notification to a call
Provide a means by which an event notification can be sent to a call such
that the I/O thread can process it rather than it being done in a separate
workqueue. This will allow a lot of locking to be removed.
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/ar-internal.h')
| -rw-r--r-- | net/rxrpc/ar-internal.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h index 654e9dab107c..a80655fa9dfb 100644 --- a/net/rxrpc/ar-internal.h +++ b/net/rxrpc/ar-internal.h @@ -292,6 +292,7 @@ struct rxrpc_local { struct sk_buff_head reject_queue; /* packets awaiting rejection */ struct sk_buff_head event_queue; /* endpoint event packets awaiting processing */ struct sk_buff_head rx_queue; /* Received packets */ + struct list_head call_attend_q; /* Calls requiring immediate attention */ struct rb_root client_bundles; /* Client connection bundles by socket params */ spinlock_t client_bundles_lock; /* Lock for client_bundles */ spinlock_t lock; /* access lock */ @@ -616,6 +617,7 @@ struct rxrpc_call { struct list_head recvmsg_link; /* Link in rx->recvmsg_q */ struct list_head sock_link; /* Link in rx->sock_calls */ struct rb_node sock_node; /* Node in rx->calls */ + struct list_head attend_link; /* Link in local->call_attend_q */ struct rxrpc_txbuf *tx_pending; /* Tx buffer being filled */ wait_queue_head_t waitq; /* Wait queue for channel or Tx */ s64 tx_total_len; /* Total length left to be transmitted (or -1) */ @@ -843,6 +845,7 @@ extern const char *const rxrpc_call_states[]; extern const char *const rxrpc_call_completions[]; extern struct kmem_cache *rxrpc_call_jar; +void rxrpc_poke_call(struct rxrpc_call *call, enum rxrpc_call_poke_trace what); struct rxrpc_call *rxrpc_find_call_by_user_ID(struct rxrpc_sock *, unsigned long); struct rxrpc_call *rxrpc_alloc_call(struct rxrpc_sock *, gfp_t, unsigned int); struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *, @@ -951,7 +954,7 @@ void rxrpc_unpublish_service_conn(struct rxrpc_connection *); /* * input.c */ -void rxrpc_input_call_packet(struct rxrpc_call *, struct sk_buff *); +void rxrpc_input_call_event(struct rxrpc_call *, struct sk_buff *); void rxrpc_input_implicit_end_call(struct rxrpc_sock *, struct rxrpc_connection *, struct rxrpc_call *); |