From patchwork Mon Apr 16 11:04:25 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhu Lingshan X-Patchwork-Id: 10342713 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 4A15D60365 for ; Mon, 16 Apr 2018 11:04:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 39FBF28658 for ; Mon, 16 Apr 2018 11:04:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2C55628662; Mon, 16 Apr 2018 11:04:58 +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=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham 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 B045628658 for ; Mon, 16 Apr 2018 11:04:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754296AbeDPLE5 (ORCPT ); Mon, 16 Apr 2018 07:04:57 -0400 Received: from smtp2.provo.novell.com ([137.65.250.81]:42880 "EHLO smtp2.provo.novell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754163AbeDPLE5 (ORCPT ); Mon, 16 Apr 2018 07:04:57 -0400 Received: from localhost.localdomain (prv-ext-foundry1int.gns.novell.com [137.65.251.240]) by smtp2.provo.novell.com with ESMTP (TLS encrypted); Mon, 16 Apr 2018 05:04:48 -0600 From: Zhu Lingshan To: target-devel@vger.kernel.org, nab@linux-iscsi.org, mchristi@redhat.com Cc: hare@suse.de, lduncan@suse.com, Zhu Lingshan Subject: [PATCH 3/6] tcmu: refactor rm_device cmd with new nl helpers Date: Mon, 16 Apr 2018 19:04:25 +0800 Message-Id: <20180416110428.5273-3-lszhu@suse.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180416110428.5273-1-lszhu@suse.com> References: <20180416110428.5273-1-lszhu@suse.com> Sender: target-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: target-devel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP use new netlink events helpers tcmu_netlink_init() and tcmu_netlink_send() to refactor netlink event TCMU_CMD_REMOVED_DEVICE Signed-off-by: Zhu Lingshan --- drivers/target/target_core_user.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index 47b73debd9fd..a1db57fe5a0a 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -1726,6 +1726,21 @@ static int tcmu_send_dev_add_event(struct tcmu_dev *udev) return ret; } +static int tcmu_send_dev_remove_event(struct tcmu_dev *udev) +{ + struct sk_buff *skb = NULL; + void *msg_header = NULL; + int ret = 0; + + ret = tcmu_netlink_event_init(udev, TCMU_CMD_REMOVED_DEVICE, + &skb, &msg_header); + if (ret < 0) + return ret; + ret = tcmu_netlink_event_send(udev, TCMU_CMD_REMOVED_DEVICE, + &skb, &msg_header); + return ret; +} + static int tcmu_update_uio_info(struct tcmu_dev *udev) { struct tcmu_hba *hba = udev->hba->hba_ptr; @@ -1885,7 +1900,7 @@ static void tcmu_destroy_device(struct se_device *dev) list_del(&udev->node); mutex_unlock(&root_udev_mutex); - tcmu_netlink_event(udev, TCMU_CMD_REMOVED_DEVICE, 0, NULL); + tcmu_send_dev_remove_event(udev); uio_unregister_device(&udev->uio_info);