diff mbox series

[4/6] ksmbd: add netdev-up/down event debug print

Message ID 20241123041706.4943-4-linkinjeon@kernel.org (mailing list archive)
State New
Headers show
Series [1/6] ksmbd: use __GFP_RETRY_MAYFAIL | expand

Commit Message

Namjae Jeon Nov. 23, 2024, 4:17 a.m. UTC 
Add netdev-up/down event debug print to find what netdev is connected or
disconnected.

Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
---
 fs/smb/server/transport_tcp.c | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

diff --git a/fs/smb/server/transport_tcp.c b/fs/smb/server/transport_tcp.c
index cc77ad4f765a..0d9007285e30 100644
--- a/fs/smb/server/transport_tcp.c
+++ b/fs/smb/server/transport_tcp.c
@@ -521,6 +521,8 @@  static int ksmbd_netdev_event(struct notifier_block *nb, unsigned long event,
 				found = 1;
 				if (iface->state != IFACE_STATE_DOWN)
 					break;
+				ksmbd_debug(CONN, "netdev-up event: netdev(%s) is going up\n",
+					    iface->name);
 				ret = create_socket(iface);
 				if (ret)
 					return NOTIFY_OK;
@@ -531,6 +533,8 @@  static int ksmbd_netdev_event(struct notifier_block *nb, unsigned long event,
 			iface = alloc_iface(kstrdup(netdev->name, KSMBD_DEFAULT_GFP));
 			if (!iface)
 				return NOTIFY_OK;
+			ksmbd_debug(CONN, "netdev-up event: netdev(%s) is going up\n",
+				    iface->name);
 			ret = create_socket(iface);
 			if (ret)
 				break;
@@ -540,6 +544,8 @@  static int ksmbd_netdev_event(struct notifier_block *nb, unsigned long event,
 		list_for_each_entry(iface, &iface_list, entry) {
 			if (!strcmp(iface->name, netdev->name) &&
 			    iface->state == IFACE_STATE_CONFIGURED) {
+				ksmbd_debug(CONN, "netdev-down event: netdev(%s) is going down\n",
+						iface->name);
 				tcp_stop_kthread(iface->ksmbd_kthread);
 				iface->ksmbd_kthread = NULL;
 				mutex_lock(&iface->sock_release_lock);