From patchwork Thu Nov 30 21:53:05 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Keith Busch X-Patchwork-Id: 13475113 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=meta.com header.i=@meta.com header.b="FxVFm3E7" Received: from mx0a-00082601.pphosted.com (mx0a-00082601.pphosted.com [67.231.145.42]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 025EC10DF for ; Thu, 30 Nov 2023 13:53:23 -0800 (PST) Received: from pps.filterd (m0044010.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3AULIcvr004229 for ; Thu, 30 Nov 2023 13:53:22 -0800 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=11exKg3ZnsRTT5ybj72lSgW6CmpKbELb2RISVcksvgs=; b=FxVFm3E7BkmGUUwVm9sfd1CnEnnZx5VfaHjbcQxmNcd/9jakFluJ54lk6eIumwckSCeW xy7K9WwMHr+jwdCAdqXjNsS1N1kqXbs20dGqHjdmZ8ei223YCsBIrp1nEQR0ZvcSxLH8 am2p73xMgPyt9JgE5rlDVelBHyLmRRWAdK7ujoyQIzJmXZr1Q0jO94Atpeq1/ccvEMoE WVXU0YZb96YblLCGTmHCOKj79vpfmO92woaQ8UfCZOIaeIZGZ+Qw756+Gz3hOTdk6P6q MgPPzK5nQq80uGO6p75YJfrbagJkUY4N1LUbj15f+Z3VAQ6b0p/e9z1iEU+YgQtq/aKw 6A== Received: from mail.thefacebook.com ([163.114.132.120]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 3upeu6805f-19 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Thu, 30 Nov 2023 13:53:22 -0800 Received: from twshared19681.14.frc2.facebook.com (2620:10d:c085:108::4) by mail.thefacebook.com (2620:10d:c085:21d::8) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.34; Thu, 30 Nov 2023 13:53:21 -0800 Received: by devbig007.nao1.facebook.com (Postfix, from userid 544533) id 2C089226BF681; Thu, 30 Nov 2023 13:53:10 -0800 (PST) From: Keith Busch To: , , CC: , , , , , Keith Busch Subject: [PATCHv5 0/4] block integrity: directly map user space addresses Date: Thu, 30 Nov 2023 13:53:05 -0800 Message-ID: <20231130215309.2923568-1-kbusch@meta.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-FB-Internal: Safe X-Proofpoint-GUID: d-wQkDURzqFhIE1PMh2zZS0YhCAzF6CL X-Proofpoint-ORIG-GUID: d-wQkDURzqFhIE1PMh2zZS0YhCAzF6CL X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-30_22,2023-11-30_01,2023-05-22_02 From: Keith Busch 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, falling back to a kernel bounce buffer if necessary. v4->v5: Unpin user pages after setup for write commands (Kanchan) Added reviews to the unchanged patches (Christoph, Martin) Keith Busch (4): block: bio-integrity: directly map user buffers nvme: use bio_integrity_map_user iouring: remove IORING_URING_CMD_POLLED io_uring: remove uring_cmd cookie block/bio-integrity.c | 214 ++++++++++++++++++++++++++++++++++++++ drivers/nvme/host/ioctl.c | 197 ++++++----------------------------- include/linux/bio.h | 9 ++ include/linux/io_uring.h | 9 +- io_uring/uring_cmd.c | 1 - 5 files changed, 254 insertions(+), 176 deletions(-) Reviewed-by: Keith Busch Reviewed-by: Kanchan Joshi