From patchwork Tue Jul 16 22:29:12 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Gerd Rausch X-Patchwork-Id: 1132985 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=oracle.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=oracle.com header.i=@oracle.com header.b="vkFIr4Y5"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45pFSH23hbz9sBt for ; Wed, 17 Jul 2019 08:29:19 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388892AbfGPW3S (ORCPT ); Tue, 16 Jul 2019 18:29:18 -0400 Received: from userp2130.oracle.com ([156.151.31.86]:41368 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388741AbfGPW3S (ORCPT ); Tue, 16 Jul 2019 18:29:18 -0400 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x6GMDhOw102473; Tue, 16 Jul 2019 22:29:16 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : subject : to : cc : message-id : date : mime-version : content-type : content-transfer-encoding; s=corp-2018-07-02; bh=pxNQHTno4A83nkPk/fZMsQI9T82YpWaGDqhDdM2FnP0=; b=vkFIr4Y5UzEje24oeFVEw3AnHv5dfxMXEjMAnEpGdjFZrOE2N6Om2UR6aa88GN6ur3d/ 0ebjjXv7dS/83WMKSHQflup82DMJzOAeZMrpHfbQWzNd997PxLYi2VjYWCxGe4raKe6z i5Dyg/1JbDn0TsbysJF+zhuLyW9NpAVmmpFtyOQqdM8XgVdNsilCGRxIAhEaF/ZDga8Y HMVZ5xd+blWPwtuQgEW37gLh/xIjwiXDNl0GezpRxyzDvQx8RdWgFTI06m4O7V0Fo+MM QnQ1Xki5m3ErTfMH5MFYwkC7xN4ODCtCsShWgO2zAz6Wn2KuNXJKRn4cme6v8TuTEPe+ rw== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by userp2130.oracle.com with ESMTP id 2tq6qtq954-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 16 Jul 2019 22:29:16 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x6GMChKx153594; Tue, 16 Jul 2019 22:29:15 GMT Received: from pps.reinject (localhost [127.0.0.1]) by aserp3020.oracle.com with ESMTP id 2tsctwhx5q-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 16 Jul 2019 22:29:15 +0000 Received: from aserp3020.oracle.com (aserp3020.oracle.com [127.0.0.1]) by pps.reinject (8.16.0.27/8.16.0.27) with SMTP id x6GMQwP9188631; Tue, 16 Jul 2019 22:29:15 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by aserp3020.oracle.com with ESMTP id 2tsctwhx59-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 16 Jul 2019 22:29:15 +0000 Received: from abhmp0003.oracle.com (abhmp0003.oracle.com [141.146.116.9]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id x6GMTDtH017963; Tue, 16 Jul 2019 22:29:14 GMT Received: from [10.211.55.164] (/10.211.55.164) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 16 Jul 2019 22:29:13 +0000 From: Gerd Rausch Subject: [PATCH net v3 5/7] net/rds: Set fr_state only to FRMR_IS_FREE if IB_WR_LOCAL_INV had been successful To: Santosh Shilimkar , netdev@vger.kernel.org, linux-rdma@vger.kernel.org, rds-devel@oss.oracle.com Cc: David Miller Message-ID: <78bfebd7-c445-bd41-c5c5-d49e6ed51230@oracle.com> Date: Tue, 16 Jul 2019 15:29:12 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 Content-Language: en-US X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9320 signatures=668688 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=2 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1907160261 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Fix a bug where fr_state first goes to FRMR_IS_STALE, because of a failure of operation IB_WR_LOCAL_INV, but then gets set back to "FRMR_IS_FREE" uncoditionally, even though the operation failed. Signed-off-by: Gerd Rausch Acked-by: Santosh Shilimkar --- net/rds/ib_frmr.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/net/rds/ib_frmr.c b/net/rds/ib_frmr.c index 708c553c3da5..adaa8e99e5a9 100644 --- a/net/rds/ib_frmr.c +++ b/net/rds/ib_frmr.c @@ -309,7 +309,8 @@ void rds_ib_mr_cqe_handler(struct rds_ib_connection *ic, struct ib_wc *wc) } if (frmr->fr_inv) { - frmr->fr_state = FRMR_IS_FREE; + if (frmr->fr_state == FRMR_IS_INUSE) + frmr->fr_state = FRMR_IS_FREE; frmr->fr_inv = false; wake_up(&frmr->fr_inv_done); }