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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EEBF8C77B6C for ; Thu, 13 Apr 2023 02:19:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229441AbjDMCTq (ORCPT ); Wed, 12 Apr 2023 22:19:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57948 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229878AbjDMCTn (ORCPT ); Wed, 12 Apr 2023 22:19:43 -0400 Received: from mailout4.samsung.com (mailout4.samsung.com [203.254.224.34]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 157B2123 for ; Wed, 12 Apr 2023 19:19:40 -0700 (PDT) Received: from epcas2p4.samsung.com (unknown [182.195.41.56]) by mailout4.samsung.com (KnoxPortal) with ESMTP id 20230413021932epoutp046a4a630d2da4be0101715dcbb4342313~VXRMnGPjD1992619926epoutp04a for ; Thu, 13 Apr 2023 02:19:32 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 mailout4.samsung.com 20230413021932epoutp046a4a630d2da4be0101715dcbb4342313~VXRMnGPjD1992619926epoutp04a DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=samsung.com; s=mail20170921; t=1681352372; bh=pWNzOCN0MtvrHBC32swpTu3eTZfE/OpUSdp520IVzoU=; h=Subject:Reply-To:From:To:CC:In-Reply-To:Date:References:From; b=JzoDWKU42rGG4DAT/V7hdHyEXiMczKJR1nI3/ZCtnFfa/KNcC5ozS24VhzHc0QNU0 B8zSRSOJcP7B9NU1Adbyg1RBFfrTvZyaM6ylb9LijC+ZTDBHFyoIN+OGNPVqKehZyE 0yRxLd3Q7xGFqjObOmVt4PY2J6KMHTZI75xNs5es= Received: from epsnrtp4.localdomain (unknown [182.195.42.165]) by epcas2p1.samsung.com (KnoxPortal) with ESMTP id 20230413021932epcas2p1947091c70f4aa9c40e6f5ba29800dcfa~VXRMNCAEd2902829028epcas2p1M; Thu, 13 Apr 2023 02:19:32 +0000 (GMT) Received: from epsmges2p3.samsung.com (unknown [182.195.36.100]) by epsnrtp4.localdomain (Postfix) with ESMTP id 4PxjvR4lb9z4x9QF; Thu, 13 Apr 2023 02:19:31 +0000 (GMT) X-AuditID: b6c32a47-ca5fd700000026d2-2c-643766b3de64 Received: from epcas2p1.samsung.com ( [182.195.41.53]) by epsmges2p3.samsung.com (Symantec Messaging Gateway) with SMTP id B4.30.09938.3B667346; Thu, 13 Apr 2023 11:19:31 +0900 (KST) Mime-Version: 1.0 Subject: RE:(2) (2) [PATCH 2/2] nvme-pci: fix metadata mapping length Reply-To: j-young.choi@samsung.com Sender: Jinyoung CHOI From: Jinyoung CHOI To: "Martin K. Petersen" CC: "hch@lst.de" , "kbusch@kernel.org" , "axboe@fb.com" , "sagi@grimberg.me" , "linux-nvme@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "chaitanyak@nvidia.com" X-Priority: 3 X-Content-Kind-Code: NORMAL In-Reply-To: X-CPGS-Detection: blocking_info_exchange X-Drm-Type: N,general X-Msg-Generator: Mail X-Msg-Type: PERSONAL X-Reply-Demand: N Message-ID: <20230413021931epcms2p3bfbfbcd26e2732138bd66e3d9943d45c@epcms2p3> Date: Thu, 13 Apr 2023 11:19:31 +0900 X-CMS-MailID: 20230413021931epcms2p3bfbfbcd26e2732138bd66e3d9943d45c Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: AUTO_CONFIDENTIAL CMS-TYPE: 102P X-CPGSPASS: Y X-CPGSPASS: Y X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprPJsWRmVeSWpSXmKPExsWy7bCmqe7mNPMUgzk3VS3+7znGZvH+4GNW i5eHNC1Wrj7KZDHp0DVGi8u75rBZzF/2lN1i+fF/TBbrXr9nceD0mNj8jt3j/L2NLB6bVnWy eWxeUu+x+2YDm0dv8zs2j49Pb7F49G1ZxejxeZNcAGdUtk1GamJKapFCal5yfkpmXrqtkndw vHO8qZmBoa6hpYW5kkJeYm6qrZKLT4CuW2YO0IlKCmWJOaVAoYDE4mIlfTubovzSklSFjPzi Elul1IKUnALzAr3ixNzi0rx0vbzUEitDAwMjU6DChOyMpXMWMxX0cVTMn3mOuYHxGXsXIyeH hICJxMajh1i6GLk4hAR2MEp0r3oHlODg4BUQlPi7QxikRljAVeLlyW0sILaQgJLEuTWzGEFK hAUMJG71moOE2QT0JH4umcEGYosImEpM/rSVDWQks8BxJon5u5YwQ+zilZjR/pQFwpaW2L58 KyOIzSlgLHHi+QpWiLiGxI9lvVD1ohI3V79lh7HfH5vPCGGLSLTeOwtVIyjx4OduqLikxKFD X9lAbpMQyJfYcCAQIlwj8Xb5AagSfYlrHRvBTuAV8JXYMbcRbC2LgKpE16JPUKe5SDyYtRzs F2YBbYllC18zg4xkFtCUWL9LH2K6ssSRWywQFXwSHYf/ssM82LDxN1b2jnlPmCBa1SQWNRlN YFSehQjlWUhWzUJYtYCReRWjWGpBcW56arFRgTE8YpPzczcxglOqlvsOxhlvP+gdYmTiYDzE KMHBrCTC+8PFNEWINyWxsiq1KD++qDQntfgQoynQkxOZpUST84FJPa8k3tDE0sDEzMzQ3MjU wFxJnFfa9mSykEB6YklqdmpqQWoRTB8TB6dUA9Nsh4wXl29pfim8p/g/xrnROK76bMHr1fmz SgMid+Y8m7d+hcVGxQU+H07sm8KRL643+eOT0q7ieSkXdJ9cdrCfODNL8/+uEmsxhwKBnLwT s3Lc/12ZbXSJZcP0Rxk5Lvr5N36Fc6+tvD7z87bUG2d+n5loW/pCStLjbG1/odHv6Rya04y/ cYZtKYhexL2x6iFTtsekjkdr97zY8qlsla3Jw5PLjzzdmBDgffjjJaZVlmlGHrvuqyofeunS sHZRyk65LplQ/1fnnPcdTZqwXu7jl0Xnfq/77eAUEKvfqr9zUdsK34tBys5a9YJi0lwv39kt fXJm/wMJDsvFZlsr07WTSkwEG/WYXwqZrij486tJiaU4I9FQi7moOBEAEZ0qLDIEAAA= DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20230412052443epcms2p836b669a12c4e81368bec2cd340656f73 References: <20230412065736.GB20550@lst.de> <20230412052443epcms2p836b669a12c4e81368bec2cd340656f73@epcms2p8> <20230412071230epcms2p145d53bfc8e40eede25f282b80247218c@epcms2p1> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Jinyoung, >=20 >> I think the problem is bio_integrity_add_page(). =C2=A0If=20it=20is=20mo= dified,=0D=0A>>=20sg=20functions=20for=20blk-integrity=20should=20also=20be= =20modified.=0D=0A>=0D=0A>=20The=20bio=20integrity=20scatterlist=20handling= =20predates=20NVMe=20and=20wasn't=20written=0D=0A>=20with=20the=20single=20= segment=20use=20case=20in=20mind.=20For=20SCSI=20we=20required=20the=0D=0A>= =20hardware=20to=20support=20an=20integrity=20segment=20per=20data=20segmen= t.=0D=0A>=20=0D=0A>=20--=20=0D=0A>=20Martin=20K.=20Petersen=20=C2=A0=20=C2= =A0=20=C2=A0=20=C2=A0Oracle=20Linux=20Engineering=0D=0A=0D=0AHi=20Martin.= =0D=0AWhen=20merging=20is=20performed=20in=20bio_integrity_add_page(),=0D= =0AI=20think=20SG=20functions=20for=20integrity=20will=20be=20able=20to=20b= e=20modified=20more=20=0D=0Aconcisely.=20It=20was=20just=20the=20reason.=20= :)=0D=0AIf=20you=20are=20okay,=0D=0Acan=20I=20try=20to=20modify=20it=20to= =20solve=20the=20problem=20with=20add_page?=0D=0A=0D=0ABest=20Regards,=0D= =0AJinyoung.