[PATCH net-next 11/13] rxrpc: trace: Don't use __builtin_return_address for rxrpc_call tracing

From: David Howells
Date: Wed Nov 23 2022 - 05:24:15 EST

In rxrpc tracing, use enums to generate lists of points of interest rather
than __builtin_return_address() for the rxrpc_call tracepoint

Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
cc: Marc Dionne <marc.dionne@xxxxxxxxxxxx>
cc: linux-afs@xxxxxxxxxxxxxxxxxxx
---

include/trace/events/rxrpc.h | 84 +++++++++++++++++++++--------------
net/rxrpc/ar-internal.h | 8 ++-
net/rxrpc/call_accept.c | 16 +++----
net/rxrpc/call_event.c | 10 ++--
net/rxrpc/call_object.c | 102 ++++++++++++++++++------------------------
net/rxrpc/conn_client.c | 2 -
net/rxrpc/input.c | 8 ++-
net/rxrpc/output.c | 2 -
net/rxrpc/peer_event.c | 2 -
net/rxrpc/recvmsg.c | 8 ++-
net/rxrpc/sendmsg.c | 4 +-
11 files changed, 123 insertions(+), 123 deletions(-)

diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h
index e09568a8c173..34151d17e7b6 100644
--- a/include/trace/events/rxrpc.h
+++ b/include/trace/events/rxrpc.h
@@ -127,26 +127,45 @@
E_(rxrpc_client_to_idle, "->Idle")

#define rxrpc_call_traces \
- EM(rxrpc_call_connected, "CON") \
- EM(rxrpc_call_error, "*E*") \
- EM(rxrpc_call_got, "GOT") \
- EM(rxrpc_call_got_kernel, "Gke") \
- EM(rxrpc_call_got_timer, "GTM") \
- EM(rxrpc_call_got_tx, "Gtx") \
- EM(rxrpc_call_got_userid, "Gus") \
- EM(rxrpc_call_new_client, "NWc") \
- EM(rxrpc_call_new_service, "NWs") \
- EM(rxrpc_call_put, "PUT") \
- EM(rxrpc_call_put_kernel, "Pke") \
- EM(rxrpc_call_put_noqueue, "PnQ") \
- EM(rxrpc_call_put_notimer, "PnT") \
- EM(rxrpc_call_put_timer, "PTM") \
- EM(rxrpc_call_put_tx, "Ptx") \
- EM(rxrpc_call_put_userid, "Pus") \
- EM(rxrpc_call_queued, "QUE") \
- EM(rxrpc_call_queued_ref, "QUR") \
- EM(rxrpc_call_release, "RLS") \
- E_(rxrpc_call_seen, "SEE")
+ EM(rxrpc_call_get_input, "GET input ") \
+ EM(rxrpc_call_get_kernel_service, "GET krnl-srv") \
+ EM(rxrpc_call_get_notify_socket, "GET notify ") \
+ EM(rxrpc_call_get_recvmsg, "GET recvmsg ") \
+ EM(rxrpc_call_get_release_sock, "GET rel-sock") \
+ EM(rxrpc_call_get_retrans, "GET retrans ") \
+ EM(rxrpc_call_get_sendmsg, "GET sendmsg ") \
+ EM(rxrpc_call_get_send_ack, "GET send-ack") \
+ EM(rxrpc_call_get_timer, "GET timer ") \
+ EM(rxrpc_call_get_userid, "GET user-id ") \
+ EM(rxrpc_call_new_client, "NEW client ") \
+ EM(rxrpc_call_new_prealloc_service, "NEW prealloc") \
+ EM(rxrpc_call_put_already_queued, "PUT alreadyq") \
+ EM(rxrpc_call_put_discard_prealloc, "PUT disc-pre") \
+ EM(rxrpc_call_put_input, "PUT input ") \
+ EM(rxrpc_call_put_kernel, "PUT kernel ") \
+ EM(rxrpc_call_put_recvmsg, "PUT recvmsg ") \
+ EM(rxrpc_call_put_release_sock, "PUT rls-sock") \
+ EM(rxrpc_call_put_release_sock_tba, "PUT rls-sk-a") \
+ EM(rxrpc_call_put_send_ack, "PUT send-ack") \
+ EM(rxrpc_call_put_sendmsg, "PUT sendmsg ") \
+ EM(rxrpc_call_put_timer, "PUT timer ") \
+ EM(rxrpc_call_put_timer_already, "PUT timer-al") \
+ EM(rxrpc_call_put_unnotify, "PUT unnotify") \
+ EM(rxrpc_call_put_userid_exists, "PUT u-exists") \
+ EM(rxrpc_call_put_work, "PUT work ") \
+ EM(rxrpc_call_queue_abort, "QUE abort ") \
+ EM(rxrpc_call_queue_requeue, "QUE requeue ") \
+ EM(rxrpc_call_queue_resend, "QUE resend ") \
+ EM(rxrpc_call_queue_timer, "QUE timer ") \
+ EM(rxrpc_call_see_accept, "SEE accept ") \
+ EM(rxrpc_call_see_activate_client, "SEE act-clnt") \
+ EM(rxrpc_call_see_connect_failed, "SEE con-fail") \
+ EM(rxrpc_call_see_connected, "SEE connect ") \
+ EM(rxrpc_call_see_distribute_error, "SEE dist-err") \
+ EM(rxrpc_call_see_input, "SEE input ") \
+ EM(rxrpc_call_see_release, "SEE release ") \
+ EM(rxrpc_call_see_userid_exists, "SEE u-exists") \
+ E_(rxrpc_call_see_zap, "SEE zap ")

#define rxrpc_txqueue_traces \
EM(rxrpc_txqueue_await_reply, "AWR") \
@@ -503,32 +522,29 @@ TRACE_EVENT(rxrpc_client,
);

TRACE_EVENT(rxrpc_call,
- TP_PROTO(unsigned int call_debug_id, enum rxrpc_call_trace op,
- int usage, const void *where, const void *aux),
+ TP_PROTO(unsigned int call_debug_id, int ref, unsigned long aux,
+ enum rxrpc_call_trace why),

- TP_ARGS(call_debug_id, op, usage, where, aux),
+ TP_ARGS(call_debug_id, ref, aux, why),

TP_STRUCT__entry(
__field(unsigned int, call )
- __field(int, op )
- __field(int, usage )
- __field(const void *, where )
- __field(const void *, aux )
+ __field(int, ref )
+ __field(int, why )
+ __field(unsigned long, aux )
),

TP_fast_assign(
__entry->call = call_debug_id;
- __entry->op = op;
- __entry->usage = usage;
- __entry->where = where;
+ __entry->ref = ref;
+ __entry->why = why;
__entry->aux = aux;
),

- TP_printk("c=%08x %s u=%d sp=%pSR a=%p",
+ TP_printk("c=%08x %s r=%d a=%lx",
__entry->call,
- __print_symbolic(__entry->op, rxrpc_call_traces),
- __entry->usage,
- __entry->where,
+ __print_symbolic(__entry->why, rxrpc_call_traces),
+ __entry->ref,
__entry->aux)
);

diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index bc8281c410c5..82eb09b961a0 100644
--- a/net/rxrpc/ar-internal.h
+++ b/net/rxrpc/ar-internal.h
@@ -847,10 +847,10 @@ void rxrpc_incoming_call(struct rxrpc_sock *, struct rxrpc_call *,
struct sk_buff *);
void rxrpc_release_call(struct rxrpc_sock *, struct rxrpc_call *);
void rxrpc_release_calls_on_socket(struct rxrpc_sock *);
-bool __rxrpc_queue_call(struct rxrpc_call *);
-bool rxrpc_queue_call(struct rxrpc_call *);
-void rxrpc_see_call(struct rxrpc_call *);
-bool rxrpc_try_get_call(struct rxrpc_call *call, enum rxrpc_call_trace op);
+bool __rxrpc_queue_call(struct rxrpc_call *, enum rxrpc_call_trace);
+bool rxrpc_queue_call(struct rxrpc_call *, enum rxrpc_call_trace);
+void rxrpc_see_call(struct rxrpc_call *, enum rxrpc_call_trace);
+bool rxrpc_try_get_call(struct rxrpc_call *, enum rxrpc_call_trace);
void rxrpc_get_call(struct rxrpc_call *, enum rxrpc_call_trace);
void rxrpc_put_call(struct rxrpc_call *, enum rxrpc_call_trace);
void rxrpc_cleanup_call(struct rxrpc_call *);
diff --git a/net/rxrpc/call_accept.c b/net/rxrpc/call_accept.c
index 04b52e28e0cc..dd4ca4bee77f 100644
--- a/net/rxrpc/call_accept.c
+++ b/net/rxrpc/call_accept.c
@@ -38,7 +38,6 @@ static int rxrpc_service_prealloc_one(struct rxrpc_sock *rx,
unsigned long user_call_ID, gfp_t gfp,
unsigned int debug_id)
{
- const void *here = __builtin_return_address(0);
struct rxrpc_call *call, *xcall;
struct rxrpc_net *rxnet = rxrpc_net(sock_net(&rx->sk));
struct rb_node *parent, **pp;
@@ -102,9 +101,8 @@ static int rxrpc_service_prealloc_one(struct rxrpc_sock *rx,
call->flags |= (1 << RXRPC_CALL_IS_SERVICE);
call->state = RXRPC_CALL_SERVER_PREALLOC;

- trace_rxrpc_call(call->debug_id, rxrpc_call_new_service,
- refcount_read(&call->ref),
- here, (const void *)user_call_ID);
+ trace_rxrpc_call(call->debug_id, refcount_read(&call->ref),
+ user_call_ID, rxrpc_call_new_prealloc_service);

write_lock(&rx->call_lock);

@@ -125,11 +123,11 @@ static int rxrpc_service_prealloc_one(struct rxrpc_sock *rx,
call->user_call_ID = user_call_ID;
call->notify_rx = notify_rx;
if (user_attach_call) {
- rxrpc_get_call(call, rxrpc_call_got_kernel);
+ rxrpc_get_call(call, rxrpc_call_get_kernel_service);
user_attach_call(call, user_call_ID);
}

- rxrpc_get_call(call, rxrpc_call_got_userid);
+ rxrpc_get_call(call, rxrpc_call_get_userid);
rb_link_node(&call->sock_node, parent, pp);
rb_insert_color(&call->sock_node, &rx->calls);
set_bit(RXRPC_CALL_HAS_USERID, &call->flags);
@@ -229,7 +227,7 @@ void rxrpc_discard_prealloc(struct rxrpc_sock *rx)
}
rxrpc_call_completed(call);
rxrpc_release_call(rx, call);
- rxrpc_put_call(call, rxrpc_call_put);
+ rxrpc_put_call(call, rxrpc_call_put_discard_prealloc);
tail = (tail + 1) & (size - 1);
}

@@ -318,7 +316,7 @@ static struct rxrpc_call *rxrpc_alloc_incoming_call(struct rxrpc_sock *rx,
smp_store_release(&b->call_backlog_tail,
(call_tail + 1) & (RXRPC_BACKLOG_MAX - 1));

- rxrpc_see_call(call);
+ rxrpc_see_call(call, rxrpc_call_see_accept);
call->conn = conn;
call->security = conn->security;
call->security_ix = conn->security_ix;
@@ -430,7 +428,7 @@ struct rxrpc_call *rxrpc_new_incoming_call(struct rxrpc_local *local,
* (recvmsg queue, to-be-accepted queue or user ID tree) or the kernel
* service to prevent the call from being deallocated too early.
*/
- rxrpc_put_call(call, rxrpc_call_put);
+ rxrpc_put_call(call, rxrpc_call_put_discard_prealloc);

_leave(" = %p{%d}", call, call->debug_id);
return call;
diff --git a/net/rxrpc/call_event.c b/net/rxrpc/call_event.c
index 8dfcde127a1d..7ea26fc358a0 100644
--- a/net/rxrpc/call_event.c
+++ b/net/rxrpc/call_event.c
@@ -101,7 +101,7 @@ void rxrpc_send_ACK(struct rxrpc_call *call, u8 ack_reason,
txb->ack.reason = ack_reason;
txb->ack.nAcks = 0;

- if (!rxrpc_try_get_call(call, rxrpc_call_got)) {
+ if (!rxrpc_try_get_call(call, rxrpc_call_get_send_ack)) {
rxrpc_put_txbuf(txb, rxrpc_txbuf_put_nomem);
return;
}
@@ -198,7 +198,7 @@ static void rxrpc_resend(struct rxrpc_call *call, unsigned long now_j)

if (list_empty(&txb->tx_link)) {
rxrpc_get_txbuf(txb, rxrpc_txbuf_get_retrans);
- rxrpc_get_call(call, rxrpc_call_got_tx);
+ rxrpc_get_call(call, rxrpc_call_get_retrans);
list_add_tail(&txb->tx_link, &retrans_queue);
set_bit(RXRPC_TXBUF_RESENT, &txb->flags);
}
@@ -303,7 +303,7 @@ void rxrpc_process_call(struct work_struct *work)
unsigned int iterations = 0;
rxrpc_serial_t ackr_serial;

- rxrpc_see_call(call);
+ rxrpc_see_call(call, rxrpc_call_see_input);

//printk("\n--------------------\n");
_enter("{%d,%s,%lx}",
@@ -437,12 +437,12 @@ void rxrpc_process_call(struct work_struct *work)
goto requeue;

out_put:
- rxrpc_put_call(call, rxrpc_call_put);
+ rxrpc_put_call(call, rxrpc_call_put_work);
out:
_leave("");
return;

requeue:
- __rxrpc_queue_call(call);
+ __rxrpc_queue_call(call, rxrpc_call_queue_requeue);
goto out;
}
diff --git a/net/rxrpc/call_object.c b/net/rxrpc/call_object.c
index 29ec4013aa0b..afd957f6dc1c 100644
--- a/net/rxrpc/call_object.c
+++ b/net/rxrpc/call_object.c
@@ -53,9 +53,9 @@ static void rxrpc_call_timer_expired(struct timer_list *t)

if (call->state < RXRPC_CALL_COMPLETE) {
trace_rxrpc_timer_expired(call, jiffies);
- __rxrpc_queue_call(call);
+ __rxrpc_queue_call(call, rxrpc_call_queue_timer);
} else {
- rxrpc_put_call(call, rxrpc_call_put);
+ rxrpc_put_call(call, rxrpc_call_put_already_queued);
}
}

@@ -64,10 +64,10 @@ void rxrpc_reduce_call_timer(struct rxrpc_call *call,
unsigned long now,
enum rxrpc_timer_trace why)
{
- if (rxrpc_try_get_call(call, rxrpc_call_got_timer)) {
+ if (rxrpc_try_get_call(call, rxrpc_call_get_timer)) {
trace_rxrpc_timer(call, why, now);
if (timer_reduce(&call->timer, expire_at))
- rxrpc_put_call(call, rxrpc_call_put_notimer);
+ rxrpc_put_call(call, rxrpc_call_put_timer_already);
}
}

@@ -110,7 +110,7 @@ struct rxrpc_call *rxrpc_find_call_by_user_ID(struct rxrpc_sock *rx,
return NULL;

found_extant_call:
- rxrpc_get_call(call, rxrpc_call_got);
+ rxrpc_get_call(call, rxrpc_call_get_sendmsg);
read_unlock(&rx->call_lock);
_leave(" = %p [%d]", call, refcount_read(&call->ref));
return call;
@@ -270,7 +270,6 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx,
struct rxrpc_net *rxnet;
struct semaphore *limiter;
struct rb_node *parent, **pp;
- const void *here = __builtin_return_address(0);
int ret;

_enter("%p,%lx", rx, p->user_call_ID);
@@ -291,9 +290,8 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx,

call->interruptibility = p->interruptibility;
call->tx_total_len = p->tx_total_len;
- trace_rxrpc_call(call->debug_id, rxrpc_call_new_client,
- refcount_read(&call->ref),
- here, (const void *)p->user_call_ID);
+ trace_rxrpc_call(call->debug_id, refcount_read(&call->ref),
+ p->user_call_ID, rxrpc_call_new_client);
if (p->kernel)
__set_bit(RXRPC_CALL_KERNEL, &call->flags);

@@ -322,7 +320,7 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx,
rcu_assign_pointer(call->socket, rx);
call->user_call_ID = p->user_call_ID;
__set_bit(RXRPC_CALL_HAS_USERID, &call->flags);
- rxrpc_get_call(call, rxrpc_call_got_userid);
+ rxrpc_get_call(call, rxrpc_call_get_userid);
rb_link_node(&call->sock_node, parent, pp);
rb_insert_color(&call->sock_node, &rx->calls);
list_add(&call->sock_link, &rx->sock_calls);
@@ -344,8 +342,7 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx,
if (ret < 0)
goto error_attached_to_socket;

- trace_rxrpc_call(call->debug_id, rxrpc_call_connected,
- refcount_read(&call->ref), here, NULL);
+ rxrpc_see_call(call, rxrpc_call_see_connected);

rxrpc_start_call_timer(call);

@@ -362,11 +359,11 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx,
release_sock(&rx->sk);
__rxrpc_set_call_completion(call, RXRPC_CALL_LOCAL_ERROR,
RX_CALL_DEAD, -EEXIST);
- trace_rxrpc_call(call->debug_id, rxrpc_call_error,
- refcount_read(&call->ref), here, ERR_PTR(-EEXIST));
+ trace_rxrpc_call(call->debug_id, refcount_read(&call->ref), 0,
+ rxrpc_call_see_userid_exists);
rxrpc_release_call(rx, call);
mutex_unlock(&call->user_mutex);
- rxrpc_put_call(call, rxrpc_call_put);
+ rxrpc_put_call(call, rxrpc_call_put_userid_exists);
_leave(" = -EEXIST");
return ERR_PTR(-EEXIST);

@@ -376,8 +373,8 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx,
* leave the error to recvmsg() to deal with.
*/
error_attached_to_socket:
- trace_rxrpc_call(call->debug_id, rxrpc_call_error,
- refcount_read(&call->ref), here, ERR_PTR(ret));
+ trace_rxrpc_call(call->debug_id, refcount_read(&call->ref), ret,
+ rxrpc_call_see_connect_failed);
set_bit(RXRPC_CALL_DISCONNECTED, &call->flags);
__rxrpc_set_call_completion(call, RXRPC_CALL_LOCAL_ERROR,
RX_CALL_DEAD, ret);
@@ -428,72 +425,65 @@ void rxrpc_incoming_call(struct rxrpc_sock *rx,
/*
* Queue a call's work processor, getting a ref to pass to the work queue.
*/
-bool rxrpc_queue_call(struct rxrpc_call *call)
+bool rxrpc_queue_call(struct rxrpc_call *call, enum rxrpc_call_trace why)
{
- const void *here = __builtin_return_address(0);
int n;

if (!__refcount_inc_not_zero(&call->ref, &n))
return false;
if (rxrpc_queue_work(&call->processor))
- trace_rxrpc_call(call->debug_id, rxrpc_call_queued, n + 1,
- here, NULL);
+ trace_rxrpc_call(call->debug_id, n + 1, 0, why);
else
- rxrpc_put_call(call, rxrpc_call_put_noqueue);
+ rxrpc_put_call(call, rxrpc_call_put_already_queued);
return true;
}

/*
* Queue a call's work processor, passing the callers ref to the work queue.
*/
-bool __rxrpc_queue_call(struct rxrpc_call *call)
+bool __rxrpc_queue_call(struct rxrpc_call *call, enum rxrpc_call_trace why)
{
- const void *here = __builtin_return_address(0);
int n = refcount_read(&call->ref);
+
ASSERTCMP(n, >=, 1);
if (rxrpc_queue_work(&call->processor))
- trace_rxrpc_call(call->debug_id, rxrpc_call_queued_ref, n,
- here, NULL);
+ trace_rxrpc_call(call->debug_id, n, 0, why);
else
- rxrpc_put_call(call, rxrpc_call_put_noqueue);
+ rxrpc_put_call(call, rxrpc_call_put_already_queued);
return true;
}

/*
* Note the re-emergence of a call.
*/
-void rxrpc_see_call(struct rxrpc_call *call)
+void rxrpc_see_call(struct rxrpc_call *call, enum rxrpc_call_trace why)
{
- const void *here = __builtin_return_address(0);
if (call) {
- int n = refcount_read(&call->ref);
+ int r = refcount_read(&call->ref);

- trace_rxrpc_call(call->debug_id, rxrpc_call_seen, n,
- here, NULL);
+ trace_rxrpc_call(call->debug_id, r, 0, why);
}
}

-bool rxrpc_try_get_call(struct rxrpc_call *call, enum rxrpc_call_trace op)
+bool rxrpc_try_get_call(struct rxrpc_call *call, enum rxrpc_call_trace why)
{
- const void *here = __builtin_return_address(0);
- int n;
+ int r;

- if (!__refcount_inc_not_zero(&call->ref, &n))
+ if (!__refcount_inc_not_zero(&call->ref, &r))
return false;
- trace_rxrpc_call(call->debug_id, op, n + 1, here, NULL);
+ trace_rxrpc_call(call->debug_id, r + 1, 0, why);
return true;
}

/*
* Note the addition of a ref on a call.
*/
-void rxrpc_get_call(struct rxrpc_call *call, enum rxrpc_call_trace op)
+void rxrpc_get_call(struct rxrpc_call *call, enum rxrpc_call_trace why)
{
- const void *here = __builtin_return_address(0);
- int n;
+ int r;

- __refcount_inc(&call->ref, &n);
- trace_rxrpc_call(call->debug_id, op, n + 1, here, NULL);
+ __refcount_inc(&call->ref, &r);
+ trace_rxrpc_call(call->debug_id, r + 1, 0, why);
}

/*
@@ -510,15 +500,13 @@ static void rxrpc_cleanup_ring(struct rxrpc_call *call)
*/
void rxrpc_release_call(struct rxrpc_sock *rx, struct rxrpc_call *call)
{
- const void *here = __builtin_return_address(0);
struct rxrpc_connection *conn = call->conn;
bool put = false;

_enter("{%d,%d}", call->debug_id, refcount_read(&call->ref));

- trace_rxrpc_call(call->debug_id, rxrpc_call_release,
- refcount_read(&call->ref),
- here, (const void *)call->flags);
+ trace_rxrpc_call(call->debug_id, refcount_read(&call->ref),
+ call->flags, rxrpc_call_see_release);

ASSERTCMP(call->state, ==, RXRPC_CALL_COMPLETE);

@@ -544,14 +532,14 @@ void rxrpc_release_call(struct rxrpc_sock *rx, struct rxrpc_call *call)

write_unlock_bh(&rx->recvmsg_lock);
if (put)
- rxrpc_put_call(call, rxrpc_call_put);
+ rxrpc_put_call(call, rxrpc_call_put_unnotify);

write_lock(&rx->call_lock);

if (test_and_clear_bit(RXRPC_CALL_HAS_USERID, &call->flags)) {
rb_erase(&call->sock_node, &rx->calls);
memset(&call->sock_node, 0xdd, sizeof(call->sock_node));
- rxrpc_put_call(call, rxrpc_call_put_userid);
+ rxrpc_put_call(call, rxrpc_call_put_userid_exists);
}

list_del(&call->sock_link);
@@ -580,17 +568,17 @@ void rxrpc_release_calls_on_socket(struct rxrpc_sock *rx)
struct rxrpc_call, accept_link);
list_del(&call->accept_link);
rxrpc_abort_call("SKR", call, 0, RX_CALL_DEAD, -ECONNRESET);
- rxrpc_put_call(call, rxrpc_call_put);
+ rxrpc_put_call(call, rxrpc_call_put_release_sock_tba);
}

while (!list_empty(&rx->sock_calls)) {
call = list_entry(rx->sock_calls.next,
struct rxrpc_call, sock_link);
- rxrpc_get_call(call, rxrpc_call_got);
+ 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_release_call(rx, call);
- rxrpc_put_call(call, rxrpc_call_put);
+ rxrpc_put_call(call, rxrpc_call_put_release_sock);
}

_leave("");
@@ -599,20 +587,18 @@ void rxrpc_release_calls_on_socket(struct rxrpc_sock *rx)
/*
* release a call
*/
-void rxrpc_put_call(struct rxrpc_call *call, enum rxrpc_call_trace op)
+void rxrpc_put_call(struct rxrpc_call *call, enum rxrpc_call_trace why)
{
struct rxrpc_net *rxnet = call->rxnet;
- const void *here = __builtin_return_address(0);
unsigned int debug_id = call->debug_id;
bool dead;
- int n;
+ int r;

ASSERT(call != NULL);

- dead = __refcount_dec_and_test(&call->ref, &n);
- trace_rxrpc_call(debug_id, op, n, here, NULL);
+ dead = __refcount_dec_and_test(&call->ref, &r);
+ trace_rxrpc_call(debug_id, r - 1, 0, why);
if (dead) {
- _debug("call %d dead", call->debug_id);
ASSERTCMP(call->state, ==, RXRPC_CALL_COMPLETE);

if (!list_empty(&call->link)) {
@@ -701,7 +687,7 @@ void rxrpc_destroy_all_calls(struct rxrpc_net *rxnet)
struct rxrpc_call, link);
_debug("Zapping call %p", call);

- rxrpc_see_call(call);
+ rxrpc_see_call(call, rxrpc_call_see_zap);
list_del_init(&call->link);

pr_err("Call %p still in use (%d,%s,%lx,%lx)!\n",
diff --git a/net/rxrpc/conn_client.c b/net/rxrpc/conn_client.c
index dcfec6a45255..4352e777aa2a 100644
--- a/net/rxrpc/conn_client.c
+++ b/net/rxrpc/conn_client.c
@@ -540,7 +540,7 @@ static void rxrpc_activate_one_channel(struct rxrpc_connection *conn,
clear_bit(RXRPC_CONN_FINAL_ACK_0 + channel, &conn->flags);
clear_bit(conn->bundle_shift + channel, &bundle->avail_chans);

- rxrpc_see_call(call);
+ rxrpc_see_call(call, rxrpc_call_see_activate_client);
list_del_init(&call->chan_wait_link);
call->peer = rxrpc_get_peer(conn->peer, rxrpc_peer_get_activate_call);
call->conn = rxrpc_get_connection(conn, rxrpc_conn_get_activate_call);
diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c
index c8ff7489b412..09b44cd11c9b 100644
--- a/net/rxrpc/input.c
+++ b/net/rxrpc/input.c
@@ -14,7 +14,7 @@ static void rxrpc_proto_abort(const char *why,
{
if (rxrpc_abort_call(why, call, seq, RX_PROTOCOL_ERROR, -EBADMSG)) {
set_bit(RXRPC_CALL_EV_ABORT, &call->events);
- rxrpc_queue_call(call);
+ rxrpc_queue_call(call, rxrpc_call_queue_abort);
}
}

@@ -175,7 +175,7 @@ static void rxrpc_congestion_management(struct rxrpc_call *call,
call->cong_cumul_acks = cumulative_acks;
trace_rxrpc_congest(call, summary, acked_serial, change);
if (resend && !test_and_set_bit(RXRPC_CALL_EV_RESEND, &call->events))
- rxrpc_queue_call(call);
+ rxrpc_queue_call(call, rxrpc_call_queue_resend);
return;

packet_loss_detected:
@@ -678,7 +678,7 @@ static void rxrpc_input_check_for_lost_ack(struct rxrpc_call *call)
{
if (after(call->acks_lost_top, call->acks_prev_seq) &&
!test_and_set_bit(RXRPC_CALL_EV_RESEND, &call->events))
- rxrpc_queue_call(call);
+ rxrpc_queue_call(call, rxrpc_call_queue_resend);
}

/*
@@ -1099,7 +1099,7 @@ static void rxrpc_input_implicit_end_call(struct rxrpc_sock *rx,
default:
if (rxrpc_abort_call("IMP", call, 0, RX_CALL_DEAD, -ESHUTDOWN)) {
set_bit(RXRPC_CALL_EV_ABORT, &call->events);
- rxrpc_queue_call(call);
+ rxrpc_queue_call(call, rxrpc_call_queue_abort);
}
trace_rxrpc_improper_term(call);
break;
diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c
index 2762b7ada9ae..d324e88f7642 100644
--- a/net/rxrpc/output.c
+++ b/net/rxrpc/output.c
@@ -310,7 +310,7 @@ void rxrpc_transmit_ack_packets(struct rxrpc_local *local)
}

list_del_init(&txb->tx_link);
- rxrpc_put_call(txb->call, rxrpc_call_put);
+ rxrpc_put_call(txb->call, rxrpc_call_put_send_ack);
rxrpc_put_txbuf(txb, rxrpc_txbuf_put_ack_tx);
}
}
diff --git a/net/rxrpc/peer_event.c b/net/rxrpc/peer_event.c
index 5e97d321ac38..b28739d10927 100644
--- a/net/rxrpc/peer_event.c
+++ b/net/rxrpc/peer_event.c
@@ -238,7 +238,7 @@ static void rxrpc_distribute_error(struct rxrpc_peer *peer, int error,
struct rxrpc_call *call;

hlist_for_each_entry_rcu(call, &peer->error_targets, error_link) {
- rxrpc_see_call(call);
+ rxrpc_see_call(call, rxrpc_call_see_distribute_error);
rxrpc_set_call_completion(call, compl, 0, -error);
}
}
diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c
index 134122f5961a..c84d2b620396 100644
--- a/net/rxrpc/recvmsg.c
+++ b/net/rxrpc/recvmsg.c
@@ -42,7 +42,7 @@ void rxrpc_notify_socket(struct rxrpc_call *call)
} else {
write_lock_bh(&rx->recvmsg_lock);
if (list_empty(&call->recvmsg_link)) {
- rxrpc_get_call(call, rxrpc_call_got);
+ rxrpc_get_call(call, rxrpc_call_get_notify_socket);
list_add_tail(&call->recvmsg_link, &rx->recvmsg_q);
}
write_unlock_bh(&rx->recvmsg_lock);
@@ -451,7 +451,7 @@ int rxrpc_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
if (!(flags & MSG_PEEK))
list_del_init(&call->recvmsg_link);
else
- rxrpc_get_call(call, rxrpc_call_got);
+ rxrpc_get_call(call, rxrpc_call_get_recvmsg);
write_unlock_bh(&rx->recvmsg_lock);

trace_rxrpc_recvmsg(call, rxrpc_recvmsg_dequeue, 0);
@@ -537,7 +537,7 @@ int rxrpc_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,

error_unlock_call:
mutex_unlock(&call->user_mutex);
- rxrpc_put_call(call, rxrpc_call_put);
+ rxrpc_put_call(call, rxrpc_call_put_recvmsg);
trace_rxrpc_recvmsg(call, rxrpc_recvmsg_return, ret);
return ret;

@@ -548,7 +548,7 @@ int rxrpc_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
write_unlock_bh(&rx->recvmsg_lock);
trace_rxrpc_recvmsg(call, rxrpc_recvmsg_requeue, 0);
} else {
- rxrpc_put_call(call, rxrpc_call_put);
+ rxrpc_put_call(call, rxrpc_call_put_recvmsg);
}
error_no_call:
release_sock(&rx->sk);
diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c
index cfe0badba0b3..76b1e2e89c1e 100644
--- a/net/rxrpc/sendmsg.c
+++ b/net/rxrpc/sendmsg.c
@@ -667,7 +667,7 @@ int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len)
case RXRPC_CALL_CLIENT_AWAIT_CONN:
case RXRPC_CALL_SERVER_PREALLOC:
case RXRPC_CALL_SERVER_SECURING:
- rxrpc_put_call(call, rxrpc_call_put);
+ rxrpc_put_call(call, rxrpc_call_put_sendmsg);
ret = -EBUSY;
goto error_release_sock;
default:
@@ -737,7 +737,7 @@ int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len)
if (!dropped_lock)
mutex_unlock(&call->user_mutex);
error_put:
- rxrpc_put_call(call, rxrpc_call_put);
+ rxrpc_put_call(call, rxrpc_call_put_sendmsg);
_leave(" = %d", ret);
return ret;