From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A4E1EC432C3 for ; Mon, 2 Dec 2019 14:48:41 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7768B2073C for ; Mon, 2 Dec 2019 14:48:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="gvqNNW5Q" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7768B2073C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mellanox.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=HtIS4Kf8nCzcZRXOWsj+OBb+D4BsT+f9s25mh1/uoBE=; b=gvqNNW5Qo6UxV9 zRxxyo4LKFSdYA/L7RQ/PexkJQXC1U7UkmaAQMlS/kpmc47PSubt3gchucLHfDJZ0JvvH1OirjNem +YUzHbKh5wJibTZkTMorbbvcvqiNrkYsLF11E3GjqZOBCRo3A2C/uhTMK6tF9xB9I5+EE2RShw5sP I1zMW59gG72MCriPnWOwXtlBqdmOozBkRIZVc76C3lzuWmpobJs1fCQ3WVF8cyY78Sw5qVm91JykA PRpHHummlCFCg+G36TxqFeHRDOz3KzF7jAAvxld0X0TQ0evcs3GpgUQNqX7jCWN9uUlGDpYJWdUzT WbY54GsGOzcUQ7gov9gw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ibn0B-0005dd-12; Mon, 02 Dec 2019 14:48:39 +0000 Received: from mail-il-dmz.mellanox.com ([193.47.165.129] helo=mellanox.co.il) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1ibmzx-0005S6-Bc for linux-nvme@lists.infradead.org; Mon, 02 Dec 2019 14:48:28 +0000 Received: from Internal Mail-Server by MTLPINE1 (envelope-from maxg@mellanox.com) with ESMTPS (AES256-SHA encrypted); 2 Dec 2019 16:48:13 +0200 Received: from mtr-vdi-031.wap.labs.mlnx. (mtr-vdi-031.wap.labs.mlnx [10.209.102.136]) by labmailer.mlnx (8.13.8/8.13.8) with ESMTP id xB2EmC1w004689; Mon, 2 Dec 2019 16:48:13 +0200 From: Max Gurtovoy To: linux-nvme@lists.infradead.org, kbusch@kernel.org, hch@lst.de, sagi@grimberg.me, martin.petersen@oracle.com Subject: [PATCH 08/16] block: Add a BIP_MAPPED_INTEGRITY check to complete_fn Date: Mon, 2 Dec 2019 16:48:04 +0200 Message-Id: <20191202144812.147686-10-maxg@mellanox.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191202144812.147686-1-maxg@mellanox.com> References: <20191202144812.147686-1-maxg@mellanox.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191202_064825_821809_9D60ABDE X-CRM114-Status: UNSURE ( 6.43 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: axboe@kernel.dk, vladimirk@mellanox.com, shlomin@mellanox.com, israelr@mellanox.com, idanb@mellanox.com, oren@mellanox.com, maxg@mellanox.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org From: Israel Rukshin This check is needed in case some other layer did the reftag remapping (e.g. in NVMe/RDMA the initiator controller performs the remapping so target side shouldn't map it again). Signed-off-by: Israel Rukshin Reviewed-by: Max Gurtovoy --- block/t10-pi.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/block/t10-pi.c b/block/t10-pi.c index f4907d941f03..92f86f00bcad 100644 --- a/block/t10-pi.c +++ b/block/t10-pi.c @@ -193,6 +193,10 @@ static void t10_pi_type1_complete(struct request *rq, unsigned int nr_bytes) struct bio_vec iv; struct bvec_iter iter; + /* Already remapped? */ + if (bip->bip_flags & BIP_MAPPED_INTEGRITY) + break; + bip_for_each_vec(iv, bip, iter) { void *p, *pmap; unsigned int j; -- 2.16.3 _______________________________________________ linux-nvme mailing list linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme