smb3: Add debug message later in smb2/smb3 reconnect path

Steve French · Steve French · commit 6e4d3bbe9212 · 2018-10-23T21:16:05.000-05:00
As we reset credits later in the reconnect path, useful
to have optional (cifsFYI) debug message.

Signed-off-by: Steve French &lt;stfrench@microsoft.com&gt;
Reviewed-by: Pavel Shilovsky &lt;pshilov@microsoft.com&gt;
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
@@ -347,7 +347,7 @@ cifs_reconnect(struct TCP_Server_Info *server)
 	server->maxBuf = 0;
 	server->max_read = 0;
 
-	cifs_dbg(FYI, "Reconnecting tcp session\n");
+	cifs_dbg(FYI, "Mark tcp session as need reconnect\n");
 	trace_smb3_reconnect(server->CurrentMid, server->hostname);
 
 	/* before reconnecting the tcp session, mark the smb session (uid)
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
@@ -113,6 +113,9 @@ smb2_set_credits(struct TCP_Server_Info *server, const int val)
 	if (val == 1)
 		server->reconnect_instance++;
 	spin_unlock(&server->req_lock);
+	/* don't log while holding the lock */
+	if (val == 1)
+		cifs_dbg(FYI, "set credits to 1 due to smb2 reconnect\n");
 }
 
 static int *

Original file line number	Diff line number	Diff line change
`@@ -113,6 +113,9 @@ smb2_set_credits(struct TCP_Server_Info *server, const int val)`
`113`	`113`	`if (val == 1)`
`114`	`114`	`server->reconnect_instance++;`
`115`	`115`	`spin_unlock(&server->req_lock);`
	`116`	`+ /* don't log while holding the lock */`
	`117`	`+ if (val == 1)`
	`118`	`+ cifs_dbg(FYI, "set credits to 1 due to smb2 reconnect\n");`
`116`	`119`	`}`
`117`	`120`
`118`	`121`	`static int *`