smb3: track the instance of each session for debugging
Each time we reconnect to the same server, bump an instance
counter (and display in /proc/fs/cifs/DebugData) to make it
easier to debug.
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 52d71b6..106d3a8 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -2396,6 +2396,7 @@ cifs_get_tcp_session(struct smb_vol *volume_info)
volume_info->target_rfc1001_name, RFC1001_NAME_LEN_WITH_NULL);
tcp_ses->session_estab = false;
tcp_ses->sequence_number = 0;
+ tcp_ses->reconnect_instance = 0;
tcp_ses->lstrp = jiffies;
spin_lock_init(&tcp_ses->req_lock);
INIT_LIST_HEAD(&tcp_ses->tcp_ses_list);