Linux CIFS filesystem development
 help / color / mirror / Atom feed
From: Namjae Jeon <linkinjeon@kernel.org>
To: linux-cifs@vger.kernel.org
Cc: smfrench@gmail.com, senozhatsky@chromium.org, tom@talpey.com,
	atteh.mailbox@gmail.com, Namjae Jeon <linkinjeon@kernel.org>
Subject: [PATCH 4/6] ksmbd: add netdev-up/down event debug print
Date: Sat, 23 Nov 2024 13:17:04 +0900	[thread overview]
Message-ID: <20241123041706.4943-4-linkinjeon@kernel.org> (raw)
In-Reply-To: <20241123041706.4943-1-linkinjeon@kernel.org>

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 --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);
-- 
2.25.1


  parent reply	other threads:[~2024-11-23  4:17 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-11-23  4:17 [PATCH 1/6] ksmbd: use __GFP_RETRY_MAYFAIL Namjae Jeon
2024-11-23  4:17 ` [PATCH 2/6] ksmbd: add debug print for rdma capable Namjae Jeon
2024-11-23  4:17 ` [PATCH 3/6] ksmbd: add debug prints to know what smb2 requests were received Namjae Jeon
2024-11-23  4:17 ` Namjae Jeon [this message]
2024-11-23  4:17 ` [PATCH 5/6] ksmbd: add debug print for pending request during server shutdown Namjae Jeon
2024-11-23  4:17 ` [PATCH 6/6] ksmbd: use msleep instaed of schedule_timeout_interruptible() Namjae Jeon

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20241123041706.4943-4-linkinjeon@kernel.org \
    --to=linkinjeon@kernel.org \
    --cc=atteh.mailbox@gmail.com \
    --cc=linux-cifs@vger.kernel.org \
    --cc=senozhatsky@chromium.org \
    --cc=smfrench@gmail.com \
    --cc=tom@talpey.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox