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Diffstat (limited to 'net/rxrpc/conn_object.c')
-rw-r--r--net/rxrpc/conn_object.c42
1 files changed, 24 insertions, 18 deletions
diff --git a/net/rxrpc/conn_object.c b/net/rxrpc/conn_object.c
index a01a3791f06a..726eda6140ae 100644
--- a/net/rxrpc/conn_object.c
+++ b/net/rxrpc/conn_object.c
@@ -20,7 +20,8 @@
/*
* Time till a connection expires after last use (in seconds).
*/
-unsigned int rxrpc_connection_expiry = 10 * 60;
+unsigned int __read_mostly rxrpc_connection_expiry = 10 * 60;
+unsigned int __read_mostly rxrpc_closed_conn_expiry = 10;
static void rxrpc_destroy_connection(struct rcu_head *);
@@ -321,7 +322,7 @@ void rxrpc_put_service_conn(struct rxrpc_connection *conn)
n = atomic_dec_return(&conn->usage);
trace_rxrpc_conn(conn, rxrpc_conn_put_service, n, here);
ASSERTCMP(n, >=, 0);
- if (n == 0) {
+ if (n == 1) {
rxnet = conn->params.local->rxnet;
rxrpc_queue_delayed_work(&rxnet->service_conn_reaper, 0);
}
@@ -363,15 +364,14 @@ void rxrpc_service_connection_reaper(struct work_struct *work)
struct rxrpc_net *rxnet =
container_of(to_delayed_work(work),
struct rxrpc_net, service_conn_reaper);
- unsigned long reap_older_than, earliest, idle_timestamp, now;
+ unsigned long expire_at, earliest, idle_timestamp, now;
LIST_HEAD(graveyard);
_enter("");
now = jiffies;
- reap_older_than = now - rxrpc_connection_expiry * HZ;
- earliest = ULONG_MAX;
+ earliest = now + MAX_JIFFY_OFFSET;
write_lock(&rxnet->conn_lock);
list_for_each_entry_safe(conn, _p, &rxnet->service_conns, link) {
@@ -381,15 +381,21 @@ void rxrpc_service_connection_reaper(struct work_struct *work)
if (conn->state == RXRPC_CONN_SERVICE_PREALLOC)
continue;
- idle_timestamp = READ_ONCE(conn->idle_timestamp);
- _debug("reap CONN %d { u=%d,t=%ld }",
- conn->debug_id, atomic_read(&conn->usage),
- (long)reap_older_than - (long)idle_timestamp);
-
- if (time_after(idle_timestamp, reap_older_than)) {
- if (time_before(idle_timestamp, earliest))
- earliest = idle_timestamp;
- continue;
+ if (rxnet->live) {
+ idle_timestamp = READ_ONCE(conn->idle_timestamp);
+ expire_at = idle_timestamp + rxrpc_connection_expiry * HZ;
+ if (conn->params.local->service_closed)
+ expire_at = idle_timestamp + rxrpc_closed_conn_expiry * HZ;
+
+ _debug("reap CONN %d { u=%d,t=%ld }",
+ conn->debug_id, atomic_read(&conn->usage),
+ (long)expire_at - (long)now);
+
+ if (time_before(now, expire_at)) {
+ if (time_before(expire_at, earliest))
+ earliest = expire_at;
+ continue;
+ }
}
/* The usage count sits at 1 whilst the object is unused on the
@@ -397,6 +403,7 @@ void rxrpc_service_connection_reaper(struct work_struct *work)
*/
if (atomic_cmpxchg(&conn->usage, 1, 0) != 1)
continue;
+ trace_rxrpc_conn(conn, rxrpc_conn_reap_service, 0, 0);
if (rxrpc_conn_is_client(conn))
BUG();
@@ -407,10 +414,10 @@ void rxrpc_service_connection_reaper(struct work_struct *work)
}
write_unlock(&rxnet->conn_lock);
- if (earliest != ULONG_MAX) {
- _debug("reschedule reaper %ld", (long) earliest - now);
+ if (earliest != now + MAX_JIFFY_OFFSET) {
+ _debug("reschedule reaper %ld", (long)earliest - (long)now);
ASSERT(time_after(earliest, now));
- rxrpc_queue_delayed_work(&rxnet->client_conn_reaper,
+ rxrpc_queue_delayed_work(&rxnet->service_conn_reaper,
earliest - now);
}
@@ -439,7 +446,6 @@ void rxrpc_destroy_all_connections(struct rxrpc_net *rxnet)
rxrpc_destroy_all_client_connections(rxnet);
- rxrpc_connection_expiry = 0;
cancel_delayed_work(&rxnet->client_conn_reaper);
rxrpc_queue_delayed_work(&rxnet->client_conn_reaper, 0);
flush_workqueue(rxrpc_workqueue);