[PATCH] net: bonding: debug: avoid printing debug logs when bond is not notifying peers

From: Suresh Kumar
Date: Mon Dec 13 2021 - 00:47:51 EST


Currently "bond_should_notify_peers: slave ..." messages are printed whenever
"bond_should_notify_peers" function is called.

+++
Dec 12 12:33:26 node1 kernel: bond0: bond_should_notify_peers: slave enp0s25
Dec 12 12:33:26 node1 kernel: bond0: bond_should_notify_peers: slave enp0s25
Dec 12 12:33:26 node1 kernel: bond0: bond_should_notify_peers: slave enp0s25
Dec 12 12:33:26 node1 kernel: bond0: (slave enp0s25): Received LACPDU on port 1
Dec 12 12:33:26 node1 kernel: bond0: (slave enp0s25): Rx Machine: Port=1, Last State=6, Curr State=6
Dec 12 12:33:26 node1 kernel: bond0: (slave enp0s25): partner sync=1
Dec 12 12:33:26 node1 kernel: bond0: bond_should_notify_peers: slave enp0s25
Dec 12 12:33:26 node1 kernel: bond0: bond_should_notify_peers: slave enp0s25
Dec 12 12:33:26 node1 kernel: bond0: bond_should_notify_peers: slave enp0s25
...
Dec 12 12:33:30 node1 kernel: bond0: bond_should_notify_peers: slave enp0s25
Dec 12 12:33:30 node1 kernel: bond0: bond_should_notify_peers: slave enp0s25
Dec 12 12:33:30 node1 kernel: bond0: (slave enp4s3): Received LACPDU on port 2
Dec 12 12:33:30 node1 kernel: bond0: (slave enp4s3): Rx Machine: Port=2, Last State=6, Curr State=6
Dec 12 12:33:30 node1 kernel: bond0: (slave enp4s3): partner sync=1
Dec 12 12:33:30 node1 kernel: bond0: bond_should_notify_peers: slave enp0s25
Dec 12 12:33:30 node1 kernel: bond0: bond_should_notify_peers: slave enp0s25
Dec 12 12:33:30 node1 kernel: bond0: bond_should_notify_peers: slave enp0s25
+++

This is confusing and can also clutter up debug logs.
Print logs only when the peer notification happens.

Signed-off-by: Suresh Kumar <suresh2514@xxxxxxxxx>
---
drivers/net/bonding/bond_main.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index ff8da720a33a..0ac964359fbf 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1096,9 +1096,6 @@ static bool bond_should_notify_peers(struct bonding *bond)
slave = rcu_dereference(bond->curr_active_slave);
rcu_read_unlock();

- netdev_dbg(bond->dev, "bond_should_notify_peers: slave %s\n",
- slave ? slave->dev->name : "NULL");
-
if (!slave || !bond->send_peer_notif ||
bond->send_peer_notif %
max(1, bond->params.peer_notif_delay) != 0 ||
@@ -1106,6 +1103,9 @@ static bool bond_should_notify_peers(struct bonding *bond)
test_bit(__LINK_STATE_LINKWATCH_PENDING, &slave->dev->state))
return false;

+ netdev_dbg(bond->dev, "bond_should_notify_peers: slave %s\n",
+ slave ? slave->dev->name : "NULL");
+
return true;
}

--
2.27.0