From patchwork Tue Oct 29 15:19:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Keith Busch X-Patchwork-Id: 839547 Received: from mx0a-00082601.pphosted.com (mx0a-00082601.pphosted.com [67.231.145.42]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3871019884C for ; Tue, 29 Oct 2024 15:20:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=67.231.145.42 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730215205; cv=none; b=D4vd1LKoMFhdjlKnqSLHFKWZlxwawYHLjZFzvQBRiig+r0eJvZ7qqJKWag+VSS5rFGKdCnr/P8Zrm9xGEQQ3H860F4VFpEyG6SguS5UXmBI48wedhCCaRiZMqgCueSZc8h3Bw0EF+9EwZRnBH5Jm/2mvPtKPLwttediUeIcu41I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730215205; c=relaxed/simple; bh=u5K3D5yLSkHuUgTsOePWDLML5bOnFkPsgBx7WMm9Kok=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=bCouOAN1yVAKL3dZ2XLtQe/YKAVmmqCOj4PImAjKc/aI2veH7QIe7fipehXc+ZDB7/XkQhWcjs3nIcM2WpTNgZXsRSm6OphZA1ylIjxTLuOmwtSQWx5A+aZTFUvMxZCEDB6+v30Mp+eUZ4K4BYJM3vzDXyg6UU+3zogvuebgvtc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=meta.com; spf=pass smtp.mailfrom=meta.com; dkim=pass (2048-bit key) header.d=meta.com header.i=@meta.com header.b=EkBldLnO; arc=none smtp.client-ip=67.231.145.42 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=meta.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=meta.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=meta.com header.i=@meta.com header.b="EkBldLnO" Received: from pps.filterd (m0148461.ppops.net [127.0.0.1]) by mx0a-00082601.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 49T72Trw012612 for ; Tue, 29 Oct 2024 08:20:02 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=meta.com; h=cc :content-transfer-encoding:content-type:date:from:message-id :mime-version:subject:to; s=s2048-2021-q4; bh=XgvQBUxMc4oBRDRyps Eh3gf2mVo+uaeROl5mqKEtNEM=; b=EkBldLnO1a5HwaERD48j8+tJYInobYCnto +7gK6kCnzA59H/PerqdNJH6U57UXRpA4P265FoAfDfBvquW4SsqUAf5bwseHRogt GNm2UQseW/y1/FI6TVRnHIlTrwl4QyDP028+Pa5WSrtYsoETwdCIbRKIYrG4jysk 1s5MTTyxmeHVTFXstQalE8mUKJSHB+9MhSBjgAWo2IYYcj0bGf6KaNfaML12mw/I stlMrECM7iIqHeb2R8SbLqg4nf1qnIPeSVi8XfuEzan3LBxv3nMUs9sI+vALdfmK QgBOe7Lu8P/1YchdWUt9SMoKE9RbPsQKcatwmHxw87SeazTjAThA== Received: from mail.thefacebook.com ([163.114.134.16]) by mx0a-00082601.pphosted.com (PPS) with ESMTPS id 42jty7asby-19 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Tue, 29 Oct 2024 08:20:02 -0700 (PDT) Received: from twshared10900.35.frc1.facebook.com (2620:10d:c085:208::f) by mail.thefacebook.com (2620:10d:c08b:78::c78f) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.2.1544.11; Tue, 29 Oct 2024 15:19:58 +0000 Received: by devbig638.nha1.facebook.com (Postfix, from userid 544533) id D97AA14920E9A; Tue, 29 Oct 2024 08:19:43 -0700 (PDT) From: Keith Busch To: , , , CC: , , , , , Keith Busch Subject: [PATCHv10 0/9] write hints with nvme fdp, scsi streams Date: Tue, 29 Oct 2024 08:19:13 -0700 Message-ID: <20241029151922.459139-1-kbusch@meta.com> X-Mailer: git-send-email 2.43.5 Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-FB-Internal: Safe X-Proofpoint-ORIG-GUID: 3x8a-v1fHS7e2oaJfQPQcs3CdRWVe3-A X-Proofpoint-GUID: 3x8a-v1fHS7e2oaJfQPQcs3CdRWVe3-A X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-05_03,2024-10-04_01,2024-09-30_01 From: Keith Busch Changes from v9: Document the partition hint mask Use bitmap_alloc API Fixup bitmap memory leak Return invalid value if user requests an invalid write hint Added and exported a block device feature flag for indicating generic placement hint support Added statx write hint max field Added BUILD_BUG_ON check for new io_uring SQE fields. Added reviews Kanchan Joshi (2): io_uring: enable per-io hinting capability nvme: enable FDP support Keith Busch (7): block: use generic u16 for write hints block: introduce max_write_hints queue limit statx: add write hint information block: allow ability to limit partition write hints block, fs: add write hint to kiocb block: export placement hint feature scsi: set permanent stream count in block limits Documentation/ABI/stable/sysfs-block | 13 +++++ block/bdev.c | 18 ++++++ block/blk-settings.c | 5 ++ block/blk-sysfs.c | 6 ++ block/fops.c | 31 +++++++++- block/partitions/core.c | 44 ++++++++++++++- drivers/nvme/host/core.c | 84 ++++++++++++++++++++++++++++ drivers/nvme/host/nvme.h | 5 ++ drivers/scsi/sd.c | 2 + fs/stat.c | 1 + include/linux/blk-mq.h | 3 +- include/linux/blk_types.h | 4 +- include/linux/blkdev.h | 15 +++++ include/linux/fs.h | 1 + include/linux/nvme.h | 19 +++++++ include/linux/stat.h | 1 + include/uapi/linux/io_uring.h | 4 ++ include/uapi/linux/stat.h | 3 +- io_uring/io_uring.c | 2 + io_uring/rw.c | 3 +- 20 files changed, 253 insertions(+), 11 deletions(-)