From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:42345 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754180AbbJRCU4 (ORCPT ); Sat, 17 Oct 2015 22:20:56 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Steve French , Chandrika Srinivasan Subject: [PATCH 4.2 138/258] disabling oplocks/leases via module parm enable_oplocks broken for SMB3 Date: Sat, 17 Oct 2015 18:57:31 -0700 Message-Id: <20151018014736.669910993@linuxfoundation.org> In-Reply-To: <20151018014729.976101177@linuxfoundation.org> References: <20151018014729.976101177@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Sender: stable-owner@vger.kernel.org List-ID: 4.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Steve French commit e0ddde9d44e37fbc21ce893553094ecf1a633ab5 upstream. leases (oplocks) were always requested for SMB2/SMB3 even when oplocks disabled in the cifs.ko module. Signed-off-by: Steve French Reviewed-by: Chandrika Srinivasan Signed-off-by: Greg Kroah-Hartman --- fs/cifs/smb2ops.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -50,9 +50,13 @@ change_conf(struct TCP_Server_Info *serv break; default: server->echoes = true; - server->oplocks = true; + if (enable_oplocks) { + server->oplocks = true; + server->oplock_credits = 1; + } else + server->oplocks = false; + server->echo_credits = 1; - server->oplock_credits = 1; } server->credits -= server->echo_credits + server->oplock_credits; return 0;