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authorDavid Howells <dhowells@redhat.com>2016-09-08 11:10:12 +0100
committerDavid Howells <dhowells@redhat.com>2016-09-08 11:10:12 +0100
commit2ab27215ea27475a0b279732ba8a934bfab57ef0 (patch)
tree0cc34192bf48478758a0a3e29f0b2d5746ea0e85 /net/rxrpc
parentde8d6c7401ae8f25db3788804c86887ad7347bee (diff)
downloadlinux-stericsson-2ab27215ea27475a0b279732ba8a934bfab57ef0.tar.gz
rxrpc: Remove skb_count from struct rxrpc_call
Remove the sk_buff count from the rxrpc_call struct as it's less useful once we stop queueing sk_buffs. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'net/rxrpc')
-rw-r--r--net/rxrpc/ar-internal.h1
-rw-r--r--net/rxrpc/call_object.c34
2 files changed, 12 insertions, 23 deletions
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index fd438dc93ee9..027791261768 100644
--- a/net/rxrpc/ar-internal.h
+++ b/net/rxrpc/ar-internal.h
@@ -467,7 +467,6 @@ struct rxrpc_call {
enum rxrpc_call_state state; /* current state of call */
enum rxrpc_call_completion completion; /* Call completion condition */
atomic_t usage;
- atomic_t skb_count; /* Outstanding packets on this call */
atomic_t sequence; /* Tx data packet sequence counter */
u16 service_id; /* service ID */
u8 security_ix; /* Security type */
diff --git a/net/rxrpc/call_object.c b/net/rxrpc/call_object.c
index 9efd9b0b0bdf..f843397e03b6 100644
--- a/net/rxrpc/call_object.c
+++ b/net/rxrpc/call_object.c
@@ -232,9 +232,8 @@ struct rxrpc_call *rxrpc_new_client_call(struct rxrpc_sock *rx,
return call;
}
- trace_rxrpc_call(call, rxrpc_call_new_client,
- atomic_read(&call->usage), 0,
- here, (const void *)user_call_ID);
+ trace_rxrpc_call(call, 0, atomic_read(&call->usage), here,
+ (const void *)user_call_ID);
/* Publish the call, even though it is incompletely set up as yet */
call->user_call_ID = user_call_ID;
@@ -325,7 +324,7 @@ struct rxrpc_call *rxrpc_incoming_call(struct rxrpc_sock *rx,
return ERR_PTR(-EBUSY);
trace_rxrpc_call(candidate, rxrpc_call_new_service,
- atomic_read(&candidate->usage), 0, here, NULL);
+ atomic_read(&candidate->usage), here, NULL);
chan = sp->hdr.cid & RXRPC_CHANNELMASK;
candidate->conn = conn;
@@ -446,11 +445,10 @@ bool rxrpc_queue_call(struct rxrpc_call *call)
{
const void *here = __builtin_return_address(0);
int n = __atomic_add_unless(&call->usage, 1, 0);
- int m = atomic_read(&call->skb_count);
if (n == 0)
return false;
if (rxrpc_queue_work(&call->processor))
- trace_rxrpc_call(call, rxrpc_call_queued, n + 1, m, here, NULL);
+ trace_rxrpc_call(call, rxrpc_call_queued, n + 1, here, NULL);
else
rxrpc_put_call(call, rxrpc_call_put_noqueue);
return true;
@@ -463,10 +461,9 @@ bool __rxrpc_queue_call(struct rxrpc_call *call)
{
const void *here = __builtin_return_address(0);
int n = atomic_read(&call->usage);
- int m = atomic_read(&call->skb_count);
ASSERTCMP(n, >=, 1);
if (rxrpc_queue_work(&call->processor))
- trace_rxrpc_call(call, rxrpc_call_queued_ref, n, m, here, NULL);
+ trace_rxrpc_call(call, rxrpc_call_queued_ref, n, here, NULL);
else
rxrpc_put_call(call, rxrpc_call_put_noqueue);
return true;
@@ -480,9 +477,8 @@ void rxrpc_see_call(struct rxrpc_call *call)
const void *here = __builtin_return_address(0);
if (call) {
int n = atomic_read(&call->usage);
- int m = atomic_read(&call->skb_count);
- trace_rxrpc_call(call, rxrpc_call_seen, n, m, here, NULL);
+ trace_rxrpc_call(call, rxrpc_call_seen, n, here, NULL);
}
}
@@ -493,9 +489,8 @@ void rxrpc_get_call(struct rxrpc_call *call, enum rxrpc_call_trace op)
{
const void *here = __builtin_return_address(0);
int n = atomic_inc_return(&call->usage);
- int m = atomic_read(&call->skb_count);
- trace_rxrpc_call(call, op, n, m, here, NULL);
+ trace_rxrpc_call(call, op, n, here, NULL);
}
/*
@@ -505,9 +500,8 @@ void rxrpc_get_call_for_skb(struct rxrpc_call *call, struct sk_buff *skb)
{
const void *here = __builtin_return_address(0);
int n = atomic_inc_return(&call->usage);
- int m = atomic_inc_return(&call->skb_count);
- trace_rxrpc_call(call, rxrpc_call_got_skb, n, m, here, skb);
+ trace_rxrpc_call(call, rxrpc_call_got_skb, n, here, skb);
}
/*
@@ -642,17 +636,15 @@ void rxrpc_release_calls_on_socket(struct rxrpc_sock *rx)
void rxrpc_put_call(struct rxrpc_call *call, enum rxrpc_call_trace op)
{
const void *here = __builtin_return_address(0);
- int n, m;
+ int n;
ASSERT(call != NULL);
n = atomic_dec_return(&call->usage);
- m = atomic_read(&call->skb_count);
- trace_rxrpc_call(call, op, n, m, here, NULL);
+ trace_rxrpc_call(call, op, n, here, NULL);
ASSERTCMP(n, >=, 0);
if (n == 0) {
_debug("call %d dead", call->debug_id);
- WARN_ON(m != 0);
rxrpc_cleanup_call(call);
}
}
@@ -663,15 +655,13 @@ void rxrpc_put_call(struct rxrpc_call *call, enum rxrpc_call_trace op)
void rxrpc_put_call_for_skb(struct rxrpc_call *call, struct sk_buff *skb)
{
const void *here = __builtin_return_address(0);
- int n, m;
+ int n;
n = atomic_dec_return(&call->usage);
- m = atomic_dec_return(&call->skb_count);
- trace_rxrpc_call(call, rxrpc_call_put_skb, n, m, here, skb);
+ trace_rxrpc_call(call, rxrpc_call_put_skb, n, here, skb);
ASSERTCMP(n, >=, 0);
if (n == 0) {
_debug("call %d dead", call->debug_id);
- WARN_ON(m != 0);
rxrpc_cleanup_call(call);
}
}