From patchwork Tue Jun 30 10:47:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bodo Stroesser X-Patchwork-Id: 11633747 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CCB90618 for ; Tue, 30 Jun 2020 10:47:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B50422065F for ; Tue, 30 Jun 2020 10:47:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ts.fujitsu.com header.i=@ts.fujitsu.com header.b="WHhAnys5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732633AbgF3Krs (ORCPT ); Tue, 30 Jun 2020 06:47:48 -0400 Received: from mail1.bemta26.messagelabs.com ([85.158.142.116]:14991 "EHLO mail1.bemta26.messagelabs.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732634AbgF3Krn (ORCPT ); Tue, 30 Jun 2020 06:47:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ts.fujitsu.com; s=200619tsfj; t=1593514060; i=@ts.fujitsu.com; bh=V1mYi31AUz1A1idkY+oGiLYYIFoQdrkhhsqX+pGUdAg=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References; b=WHhAnys5A7nz1nYirjNph68+PObtOnT9ITaVTA+Fzmk/eAc9mq03xB2wxZGMmNKll LD7P/VL4+siqnyW/6RBazQI4ShTeVzOBiUErNMxyYcxtuwIIMukPbYYjHuXBYjNvqZ XK2QxKoP0dFgswI1T9t2ZG1ZVslyeR8+mtoemFgs9EpO8uX4+APSsUTrVAgGB9BBvf ORwoco+PmnHBMpGOmcHAgJ64e8VLp+pWwdBZb7R4LO+AQEeZMnfSJgTox2199nyi8p 88E2LV6FxKnyrgHJGdRUVPTgD9RBgPd28q74nbV+qrCVqFmVDWR6pdUMwrcTQ4uY+d fs5BqGMNv8x0A== Received: from [100.113.4.241] (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256 bits)) by server-5.bemta.az-b.eu-central-1.aws.symcld.net id 14/B0-10801-C481BFE5; Tue, 30 Jun 2020 10:47:40 +0000 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrLLMWRWlGSWpSXmKPExsViZ8MxVddb4ne cwYdzVhbd13ewWSw//o/J4u+kG6wWrUvfMjmweHx8eovF4/MmuQCmKNbMvKT8igTWjC9TfrIX fOWoePH4MFsD4xP2LkYuDiGByYwSLZO7WSCc6YwSF6a8Zuti5ORgEzCQWDHpPlhCRGANo8TKO /OYQRLMAnoS0/6tYwexhQW8JI5v/w4WZxFQldhydB1YM6+AncSZrrdgtoSAvETHgcksIDangL 3E2sOnwWwhoJq1m2eyTWDkXsDIsIrRMqkoMz2jJDcxM0fX0MBA19DQWNdU18jYQi+xSjdJL7V UNzk1r6QoESirl1herFdcmZuck6KXl1qyiREYKimFrO92MD57/UHvEKMkB5OSKO+9f7/ihPiS 8lMqMxKLM+KLSnNSiw8xynBwKEnwPhX/HSckWJSanlqRlpkDDFuYtAQHj5II736QNG9xQWJuc WY6ROoUo6KUOO9KMaCEAEgiozQPrg0WK5cYZaWEeRkZGBiEeApSi3IzS1DlXzGKczAqCfMmgI znycwrgZv+CmgxE9Dia1q/QBaXJCKkpBqYDt1PYlUSEvhZdmqz7XHZpZf4/FnyDYOrTFkeyKi kLBPm4LlUm3nr03HfM41c6bxLLmzZ9Wy+/Sbv/sK/hk+eZaqfLGI8HSB8q/vQI/YdGSsCpm8U 1dVQErqw+e7Hu14HS2MbyzTfztm46OQhScZ/eRNnnk98z/hbMSG/OmymX77JqqK9D0MFv05Y/ l3iy9Mzr+wf950507egk2u/j9NNzw/us98elHMKeju1seVVa0raD4XbdvKyrDOvPNrptvxLyj e1zqxuzvf7lTLEDbyrdUtSm3RvrJ6n+ivjImOe3Qr+AzVOp8/Ml93tvNZ7ideaxP3zLD+e7Du hsimvKPA1e+zSFw0PDjCxh843fpzRqsRSnJFoqMVcVJwIACgE3WIQAwAA X-Env-Sender: bstroesser@ts.fujitsu.com X-Msg-Ref: server-9.tower-248.messagelabs.com!1593514059!620117!1 X-Originating-IP: [62.60.8.149] X-SYMC-ESS-Client-Auth: outbound-route-from=pass X-StarScan-Received: X-StarScan-Version: 9.50.2; banners=-,-,- X-VirusChecked: Checked Received: (qmail 13514 invoked from network); 30 Jun 2020 10:47:39 -0000 Received: from unknown (HELO mailhost2.uk.fujitsu.com) (62.60.8.149) by server-9.tower-248.messagelabs.com with ECDHE-RSA-AES256-GCM-SHA384 encrypted SMTP; 30 Jun 2020 10:47:39 -0000 Received: from x-serv01 ([172.17.38.52]) by mailhost2.uk.fujitsu.com (8.14.5/8.14.5) with SMTP id 05UAlW0c004423; Tue, 30 Jun 2020 11:47:32 +0100 Received: from VTC.emeia.fujitsu.local (unknown [172.17.38.7]) by x-serv01 (Postfix) with ESMTP id 67DC020723; Tue, 30 Jun 2020 12:47:31 +0200 (CEST) From: Bodo Stroesser To: "Martin K. Petersen" , Mike Christie , linux-scsi@vger.kernel.org, target-devel@vger.kernel.org Cc: Bodo Stroesser Subject: [RFC PATCH 4/8] scsi: target: tcmu: Do not queue aborted commands Date: Tue, 30 Jun 2020 12:47:05 +0200 Message-Id: <20200630104709.23066-5-bstroesser@ts.fujitsu.com> X-Mailer: git-send-email 2.12.3 In-Reply-To: <20200630104709.23066-1-bstroesser@ts.fujitsu.com> References: <20200630104709.23066-1-bstroesser@ts.fujitsu.com> Sender: target-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: target-devel@vger.kernel.org If tcmu receives an already aborted command, tcmu_queue_cmd() should reject it. Signed-off-by: Bodo Stroesser --- drivers/target/target_core_user.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index c900e3dd25aa..be95518a31dd 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -1103,8 +1103,8 @@ tcmu_queue_cmd(struct se_cmd *se_cmd) struct se_device *se_dev = se_cmd->se_dev; struct tcmu_dev *udev = TCMU_DEV(se_dev); struct tcmu_cmd *tcmu_cmd; - sense_reason_t scsi_ret; - int ret; + sense_reason_t scsi_ret = TCM_CHECK_CONDITION_ABORT_CMD; + int ret = -1; tcmu_cmd = tcmu_alloc_cmd(se_cmd); if (!tcmu_cmd) @@ -1112,7 +1112,8 @@ tcmu_queue_cmd(struct se_cmd *se_cmd) mutex_lock(&udev->cmdr_lock); se_cmd->priv = tcmu_cmd; - ret = queue_cmd_ring(tcmu_cmd, &scsi_ret); + if (!(se_cmd->transport_state & CMD_T_ABORTED)) + ret = queue_cmd_ring(tcmu_cmd, &scsi_ret); if (ret < 0) tcmu_free_cmd(tcmu_cmd); mutex_unlock(&udev->cmdr_lock);