From: Steve French <stfrench@microsoft.com>
Date: Sat, 22 Sep 2018 11:25:04 -0500
Subject: [PATCH] smb3: Add debug message later in smb2/smb3 reconnect path
Git-commit: 6e4d3bbe92120f8482d31e4138e5fc2983caec3e
Patch-mainline: v4.20-rc1
References: bsc#1144333

As we reset credits later in the reconnect path, useful
to have optional (cifsFYI) debug message.

Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Acked-by: Aurelien Aptel <aaptel@suse.com>
---
 fs/cifs/connect.c | 2 +-
 fs/cifs/smb2ops.c | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 6221aef45ff5..1605bf250691 100644
--- 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
index 41342a8dc53e..c599fc6acba6 100644
--- 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 *
-- 
2.16.4