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authorDavid Howells <dhowells@redhat.com>2022-10-17 22:52:06 +0100
committerDavid Howells <dhowells@redhat.com>2023-01-31 16:38:35 +0000
commite7f40f4a701b67ada4a843bcc253711d8a34b1f1 (patch)
treef350cec1aeb6c7b12b5f46106d0a47ec7b08ed6a /net/rxrpc
parentb30d61f4b12899101f754238f02069ff4d6161c2 (diff)
rxrpc: Remove local->defrag_sem
We no longer need local->defrag_sem as all DATA packet transmission is now done from one thread, so remove it. 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')
-rw-r--r--net/rxrpc/ar-internal.h1
-rw-r--r--net/rxrpc/local_object.c1
-rw-r--r--net/rxrpc/output.c7
3 files changed, 0 insertions, 9 deletions
diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index 2b1d0d3ca064..9e19688b0e06 100644
--- a/net/rxrpc/ar-internal.h
+++ b/net/rxrpc/ar-internal.h
@@ -284,7 +284,6 @@ struct rxrpc_local {
struct task_struct *io_thread;
struct completion io_thread_ready; /* Indication that the I/O thread started */
struct rxrpc_sock *service; /* Service(s) listening on this endpoint */
- struct rw_semaphore defrag_sem; /* control re-enablement of IP DF bit */
#ifdef CONFIG_AF_RXRPC_INJECT_RX_DELAY
struct sk_buff_head rx_delay_queue; /* Delay injection queue */
#endif
diff --git a/net/rxrpc/local_object.c b/net/rxrpc/local_object.c
index 07d83a4e5841..7d910aee4f8c 100644
--- a/net/rxrpc/local_object.c
+++ b/net/rxrpc/local_object.c
@@ -108,7 +108,6 @@ static struct rxrpc_local *rxrpc_alloc_local(struct net *net,
local->net = net;
local->rxnet = rxrpc_net(net);
INIT_HLIST_NODE(&local->link);
- init_rwsem(&local->defrag_sem);
init_completion(&local->io_thread_ready);
#ifdef CONFIG_AF_RXRPC_INJECT_RX_DELAY
skb_queue_head_init(&local->rx_delay_queue);
diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c
index c69c31470fa8..6b2022240076 100644
--- a/net/rxrpc/output.c
+++ b/net/rxrpc/output.c
@@ -409,8 +409,6 @@ dont_set_request_ack:
if (txb->len >= call->peer->maxdata)
goto send_fragmentable;
- down_read(&conn->local->defrag_sem);
-
txb->last_sent = ktime_get_real();
if (txb->wire.flags & RXRPC_REQUEST_ACK)
rtt_slot = rxrpc_begin_rtt_probe(call, serial, rxrpc_rtt_tx_data);
@@ -425,7 +423,6 @@ dont_set_request_ack:
ret = do_udp_sendmsg(conn->local->socket, &msg, len);
conn->peer->last_tx_at = ktime_get_seconds();
- up_read(&conn->local->defrag_sem);
if (ret < 0) {
rxrpc_inc_stat(call->rxnet, stat_tx_data_send_fail);
rxrpc_cancel_rtt_probe(call, serial, rtt_slot);
@@ -486,8 +483,6 @@ send_fragmentable:
/* attempt to send this message with fragmentation enabled */
_debug("send fragment");
- down_write(&conn->local->defrag_sem);
-
txb->last_sent = ktime_get_real();
if (txb->wire.flags & RXRPC_REQUEST_ACK)
rtt_slot = rxrpc_begin_rtt_probe(call, serial, rxrpc_rtt_tx_data);
@@ -519,8 +514,6 @@ send_fragmentable:
rxrpc_tx_point_call_data_frag);
}
rxrpc_tx_backoff(call, ret);
-
- up_write(&conn->local->defrag_sem);
goto done;
}