From patchwork Tue Nov 7 08:55:03 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Long Li X-Patchwork-Id: 10045975 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 1322D60247 for ; Tue, 7 Nov 2017 08:59:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 05EF628D65 for ; Tue, 7 Nov 2017 08:59:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EED4C28F02; Tue, 7 Nov 2017 08:59:51 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B21B128D65 for ; Tue, 7 Nov 2017 08:59:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755246AbdKGI7b (ORCPT ); Tue, 7 Nov 2017 03:59:31 -0500 Received: from a2nlsmtp01-04.prod.iad2.secureserver.net ([198.71.225.38]:39006 "EHLO a2nlsmtp01-04.prod.iad2.secureserver.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753586AbdKGI5L (ORCPT ); Tue, 7 Nov 2017 03:57:11 -0500 Received: from linuxonhyperv.com ([107.180.71.197]) by : HOSTING RELAY : with SMTP id BzfqeKNobV6DQBzfqe7rar; Tue, 07 Nov 2017 01:56:08 -0700 x-originating-ip: 107.180.71.197 Received: from longli by linuxonhyperv.com with local (Exim 4.89) (envelope-from ) id 1eBzfq-0003LJ-Ke; Tue, 07 Nov 2017 01:55:58 -0700 From: Long Li To: Steve French , linux-cifs@vger.kernel.org, samba-technical@lists.samba.org, linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, Christoph Hellwig , Tom Talpey , Matthew Wilcox , Stephen Hemminger Cc: Long Li Subject: [Patch v7 11/22] CIFS: SMBD: Implement function to destroy a SMB Direct connection Date: Tue, 7 Nov 2017 01:55:03 -0700 Message-Id: <20171107085514.12693-12-longli@exchange.microsoft.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20171107085514.12693-1-longli@exchange.microsoft.com> References: <20171107085514.12693-1-longli@exchange.microsoft.com> X-CMAE-Envelope: MS4wfFDz+lBD6TBUDNfRI/loEG3PAi9CERK9zARH2m0pBuhozPQuHCvI4u2mf05gHsdjdDpGYzfy8VP9eOy25xY+vH4ryVRgWfTA6ssHFmuo4orNDh6JKouY WWh2NmIzo0QpR0z/GK7lS9rXmpZ7tmtycRP8p7D8YIhLI5gESgpGaGM0CDvvY9NJ64SaQXcZOHFXdHsYiufzYcGlB/3t+Cceu7NgLBW4cUd2IlxREvN9FpmL KkqmY49CHoj/DhDuveYlyia4tQylCj7ihlqtu8D0ywr+IqV0nhyUSvodhGUkL18Qv7W6QwbgkAyXytVJEBxu2dDX1elntoZHeFfTj8Y5k2NFGwuMVzIQVoND 1GQBtRB8IlnFbGLCAAgSUOqrfErUJdT3J33goaYM9MfQksbu7+DyIXVUeVIpUUChdHJcCdc+fq13YExW4Qzd7ZMsLvF5BqE30a80Y0tnBt8WPj7L4h3/IHS4 aodbQTdMZEiLi9P44Mfb+eETY4/UGIaGg8b+/A== Sender: linux-cifs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Long Li Add function to tear down a SMB Direct connection. This is used by upper layer to free all SMB Direct connection and transport resources. Signed-off-by: Long Li --- fs/cifs/smbdirect.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/fs/cifs/smbdirect.c b/fs/cifs/smbdirect.c index 9f23330..a8e7239 100644 --- a/fs/cifs/smbdirect.c +++ b/fs/cifs/smbdirect.c @@ -1392,6 +1392,22 @@ static void idle_connection_timer(struct work_struct *work) info->keep_alive_interval*HZ); } +/* Destroy this SMBD connection, called from upper layer */ +void smbd_destroy(struct smbd_connection *info) +{ + log_rdma_event(INFO, "destroying rdma session\n"); + + /* Kick off the disconnection process */ + smbd_disconnect_rdma_connection(info); + + log_rdma_event(INFO, "wait for transport being destroyed\n"); + wait_event(info->wait_destroy, + info->transport_status == SMBD_DESTROYED); + + destroy_workqueue(info->workqueue); + kfree(info); +} + /* * Reconnect this SMBD connection, called from upper layer * return value: 0 on success, or actual error code