From patchwork Mon Jul 23 19:07:48 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Christie X-Patchwork-Id: 10540755 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BF1651805 for ; Mon, 23 Jul 2018 19:07:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7A37725F3E for ; Mon, 23 Jul 2018 19:07:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 6EEC925F31; Mon, 23 Jul 2018 19:07:58 +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 2A257262AE for ; Mon, 23 Jul 2018 19:07:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388104AbeGWUKd (ORCPT ); Mon, 23 Jul 2018 16:10:33 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:38252 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S2388017AbeGWUKc (ORCPT ); Mon, 23 Jul 2018 16:10:32 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 583364059FFD; Mon, 23 Jul 2018 19:07:56 +0000 (UTC) Received: from rh2.redhat.com (ovpn-121-13.rdu2.redhat.com [10.10.121.13]) by smtp.corp.redhat.com (Postfix) with ESMTP id E64EC111CB8C; Mon, 23 Jul 2018 19:07:55 +0000 (UTC) From: Mike Christie To: xiubli@redhat.com, martin.petersen@oracle.com, linux-scsi@vger.kernel.org, target-devel@vger.kernel.org, nab@linux-iscsi.org Cc: Mike Christie Subject: [PATCH 6/9] tcmu: unmap if dev is configured Date: Mon, 23 Jul 2018 14:07:48 -0500 Message-Id: <1532372871-7128-7-git-send-email-mchristi@redhat.com> In-Reply-To: <1532372871-7128-1-git-send-email-mchristi@redhat.com> References: <1532372871-7128-1-git-send-email-mchristi@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Mon, 23 Jul 2018 19:07:56 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Mon, 23 Jul 2018 19:07:56 +0000 (UTC) for IP:'10.11.54.3' DOMAIN:'int-mx03.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'mchristi@redhat.com' RCPT:'' Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP The tcmu dev is added to the list of tcmu devices during configuration. At this time the tcmu setup has completed, but lio core has not completed its setup. The device is not yet usable so do not try to unmap blocks from it Signed-off-by: Mike Christie --- drivers/target/target_core_user.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index d6b4022..31cfe83 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -2581,6 +2581,11 @@ static void find_free_blocks(void) list_for_each_entry(udev, &root_udev, node) { mutex_lock(&udev->cmdr_lock); + if (!target_dev_configured(&udev->se_dev)) { + mutex_unlock(&udev->cmdr_lock); + continue; + } + /* Try to complete the finished commands first */ tcmu_handle_completions(udev);