Message ID | 20231018151843.3542335-1-kbusch@meta.com (mailing list archive) |
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Headers | show
Return-Path: <linux-block-owner@vger.kernel.org> 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 3F7E6CDB483 for <linux-block@archiver.kernel.org>; Wed, 18 Oct 2023 15:24:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230515AbjJRPYD (ORCPT <rfc822;linux-block@archiver.kernel.org>); Wed, 18 Oct 2023 11:24:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49208 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230391AbjJRPYC (ORCPT <rfc822;linux-block@vger.kernel.org>); Wed, 18 Oct 2023 11:24:02 -0400 Received: from mx0b-00082601.pphosted.com (mx0b-00082601.pphosted.com [67.231.153.30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 68EEB98 for <linux-block@vger.kernel.org>; Wed, 18 Oct 2023 08:24:00 -0700 (PDT) Received: from pps.filterd (m0148460.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 39IB8i9G027339 for <linux-block@vger.kernel.org>; Wed, 18 Oct 2023 08:23:59 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=meta.com; h=from : to : cc : subject : date : message-id : mime-version : content-transfer-encoding : content-type; s=s2048-2021-q4; bh=p0WjUc4vLfEtzfqeD61Mot1OdvMxukOfxmo5qKfqmk8=; b=BDz+6X7qzfjvMbwTgF7VvLEHY6IuoJwlk3jUVBR6lK7lN9LrPXX/oIQvFbhIuJMop9v6 QocOhwUF7tZ0bst+Y8YaJEDj998xjy03czkXpR0sdCLZsEvoMTHrru/5sU6jBZdWh1LP cGUkZbwzH64gnG2sEt2KcHV9JDThPD5JbH1eIA4RK/gaUXQhNy+VYwXS+2Qhe1f+rMZ7 UolJXcGSzNAua9v3DBnrW/+cG5HdioSf97XEN/iC7WxijQ39OmP8LBXi1k1uR7BVT3ti g4TREMmiw/PEw7sI7Hx8r8EezuD3I448zF0M6eSyhYHruu7aDEDpINtmPDk1za19vuDI nw== Received: from maileast.thefacebook.com ([163.114.130.16]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 3tte7n9hy9-13 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for <linux-block@vger.kernel.org>; Wed, 18 Oct 2023 08:23:59 -0700 Received: from twshared34392.14.frc2.facebook.com (2620:10d:c0a8:1b::2d) by mail.thefacebook.com (2620:10d:c0a8:83::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.23; Wed, 18 Oct 2023 08:23:56 -0700 Received: by devbig007.nao1.facebook.com (Postfix, from userid 544533) id C28C3205F3CE0; Wed, 18 Oct 2023 08:18:43 -0700 (PDT) From: Keith Busch <kbusch@meta.com> To: <linux-block@vger.kernel.org>, <linux-nvme@lists.infradead.org>, <io-uring@vger.kernel.org> CC: <axboe@kernel.dk>, <hch@lst.de>, <joshi.k@samsung.com>, <martin.petersen@oracle.com>, Keith Busch <kbusch@kernel.org> Subject: [PATCH 0/4] block integrity: direclty map user space addresses Date: Wed, 18 Oct 2023 08:18:39 -0700 Message-ID: <20231018151843.3542335-1-kbusch@meta.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-FB-Internal: Safe Content-Type: text/plain X-Proofpoint-GUID: 5udQ31vJ0D2IY1mIYv1zNSUj4ecBVqe1 X-Proofpoint-ORIG-GUID: 5udQ31vJ0D2IY1mIYv1zNSUj4ecBVqe1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.980,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-10-18_13,2023-10-18_01,2023-05-22_02 Precedence: bulk List-ID: <linux-block.vger.kernel.org> X-Mailing-List: linux-block@vger.kernel.org |
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block integrity: direclty map user space addresses
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expand
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s/direclty/directly/ in the subject.
From: Keith Busch <kbusch@kernel.org> Handling passthrough metadata ("integrity") today introduces overhead and complications that we can avoid if we just map user space addresses directly. This patch series implements that. Keith Busch (4): block: bio-integrity: add support for user buffers nvme: use bio_integrity_map_user iouring: remove IORING_URING_CMD_POLLED io_uring: remove uring_cmd cookie block/bio-integrity.c | 67 +++++++++++++ drivers/nvme/host/ioctl.c | 174 ++++++---------------------------- include/linux/bio.h | 8 ++ include/linux/io_uring.h | 8 +- include/uapi/linux/io_uring.h | 2 - io_uring/uring_cmd.c | 1 - 6 files changed, 104 insertions(+), 156 deletions(-)