From patchwork Fri Sep 9 09:04:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Bogdanov X-Patchwork-Id: 606107 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D6D26ECAAD3 for ; Fri, 9 Sep 2022 09:05:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231617AbiIIJFf (ORCPT ); Fri, 9 Sep 2022 05:05:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33174 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231803AbiIIJE6 (ORCPT ); Fri, 9 Sep 2022 05:04:58 -0400 Received: from mta-01.yadro.com (mta-02.yadro.com [89.207.88.252]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 75509481C4; Fri, 9 Sep 2022 02:04:36 -0700 (PDT) Received: from localhost (unknown [127.0.0.1]) by mta-01.yadro.com (Postfix) with ESMTP id DAC0A569A1; Fri, 9 Sep 2022 09:04:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=yadro.com; h= content-type:content-type:content-transfer-encoding:mime-version :references:in-reply-to:x-mailer:message-id:date:date:subject :subject:from:from:received:received:received:received; s= mta-01; t=1662714272; x=1664528673; bh=zY9RGnCqcMkPkgU1gg/t1KEg8 tohN+IGeE+GiJntX90=; b=G47iDOkm0sSY4sJZF9WOxvsY25Or8u+GGrFMFguLm 4UtWrk61MhP/pZyfk143GAIWlozc56D9nBoxPrtzjhaPPlRonY7RYh7wZkLJPBwu WPGAEJfahPApp1CGIs1SfpPyW5uL3X9Z6nmV/Grfhun9CjYT/wiuOycqWubBkOEC Cc= X-Virus-Scanned: amavisd-new at yadro.com Received: from mta-01.yadro.com ([127.0.0.1]) by localhost (mta-01.yadro.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id IgRJlxtfjojk; Fri, 9 Sep 2022 12:04:32 +0300 (MSK) Received: from T-EXCH-02.corp.yadro.com (T-EXCH-02.corp.yadro.com [172.17.10.102]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-SHA384 (256/256 bits)) (No client certificate requested) by mta-01.yadro.com (Postfix) with ESMTPS id 81D3A56986; Fri, 9 Sep 2022 12:04:32 +0300 (MSK) Received: from T-EXCH-08.corp.yadro.com (172.17.11.58) by T-EXCH-02.corp.yadro.com (172.17.10.102) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P384) id 15.1.669.32; Fri, 9 Sep 2022 12:04:31 +0300 Received: from NB-591.corp.yadro.com (10.199.18.20) by T-EXCH-08.corp.yadro.com (172.17.11.58) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.1118.9; Fri, 9 Sep 2022 12:04:31 +0300 From: Dmitry Bogdanov To: Martin Petersen , CC: Bart Van Assche , , , Dmitry Bogdanov Subject: [PATCH v2 1/4] target: core: fix preempt and abort for allreg res Date: Fri, 9 Sep 2022 12:04:22 +0300 Message-ID: <20220909090425.14479-2-d.bogdanov@yadro.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220909090425.14479-1-d.bogdanov@yadro.com> References: <20220909090425.14479-1-d.bogdanov@yadro.com> MIME-Version: 1.0 X-Originating-IP: [10.199.18.20] X-ClientProxiedBy: T-EXCH-02.corp.yadro.com (172.17.10.102) To T-EXCH-08.corp.yadro.com (172.17.11.58) Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Match a key only if SARK is not zero according to SPC-4 and the comment above the code: If an all registrants persistent reservation is present and the SERVICE ACTION RESERVATION KEY field is set to zero, then all registrations shall be removed except for that of the I_T nexus that is being used for the PERSISTENT RESERVE OUT command; Without this patch in case of SARK==0 no registrants will be removed. Signed-off-by: Dmitry Bogdanov --- v2: remove superfluous parentheses --- drivers/target/target_core_pr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index a1d67554709f..1521a97ddac2 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -3022,7 +3022,7 @@ core_scsi3_pro_preempt(struct se_cmd *cmd, int type, int scope, u64 res_key, if (calling_it_nexus) continue; - if (pr_reg->pr_res_key != sa_res_key) + if (sa_res_key && pr_reg->pr_res_key != sa_res_key) continue; pr_reg_nacl = pr_reg->pr_reg_nacl;