From patchwork Sat Oct 7 01:28:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sarthak Kukreti X-Patchwork-Id: 13412138 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 275F6E9413D for ; Sat, 7 Oct 2023 01:28:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233822AbjJGB21 (ORCPT ); Fri, 6 Oct 2023 21:28:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53396 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234010AbjJGB20 (ORCPT ); Fri, 6 Oct 2023 21:28:26 -0400 Received: from mail-pl1-x631.google.com (mail-pl1-x631.google.com [IPv6:2607:f8b0:4864:20::631]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9CAD6C6 for ; Fri, 6 Oct 2023 18:28:24 -0700 (PDT) Received: by mail-pl1-x631.google.com with SMTP id d9443c01a7336-1c364fb8a4cso23154645ad.1 for ; Fri, 06 Oct 2023 18:28:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1696642104; x=1697246904; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=sPAOchZ3lviZQWz7F/yVzJ/5u6K9fS7pELXL8VtCc9c=; b=BB+jwWHPZKoC+SFdcT4TIJ0MVh4GMwMAeh9vXdKr0exaDqj/uLEU5WfLtt/OytF56U cmIKL4nzncZ4Mlz/UWnu+96fR2gV33xPR1GhH+sCjipxEcrhIB2Qc1rkM505dMLdOif3 90XFavyzJ35MiqABFI9ylzog9/FqQvDspR9GI= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696642104; x=1697246904; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=sPAOchZ3lviZQWz7F/yVzJ/5u6K9fS7pELXL8VtCc9c=; b=vUhubHyk8Vqei9nrfOjvgTg4jb2sO6QQjvcwEm/xS/1xYaFKLd1ot/NvAloP5/VF+n JCOMnGlfDfX2u9+IxqNbWnNhaB3tqbMK+0NnvyAh1a6zgOD2hFhcUjzs6983lCgEEPkz S0gXmFjHYaLrS9PT3GYB2WCU1oZLdC9BuGHDtr7A68EkDJBcPxPzinpPIiDZ/cBxyb6G E/fBDJ4NhO+kmc9U/nXWDuRNbVhkAcz5/UkUwLm+8CvrndCcBhFaM/92r6aoBtSUPqHk FdTkCZSR8jZHMIxJwC/kj6r2nbEYwnAaEgbLQ9VUK0my9a2qwQTQRKjOdZkB9Gxj9TC5 ZY4w== X-Gm-Message-State: AOJu0Ywrflbb03Iz9QZPYLwc+E0pJU6yIbLUjlc4K4lP8Aqh+sdkH3FK pl0/uNoFEVkRccdHhXA5+tu33A== X-Google-Smtp-Source: AGHT+IF35TNd+fTvsxdLu9WMjvVSs/iB8sRAO30572Xwc92tYnfHc95l4aq5f8nH5De0gpWJSaCjww== X-Received: by 2002:a17:903:228f:b0:1c7:66a4:27ba with SMTP id b15-20020a170903228f00b001c766a427bamr11470478plh.48.1696642104031; Fri, 06 Oct 2023 18:28:24 -0700 (PDT) Received: from localhost ([2620:15c:9d:2:138c:8976:eb4a:a91c]) by smtp.gmail.com with UTF8SMTPSA id q13-20020a170902dacd00b001b8b2a6c4a4sm4575373plx.172.2023.10.06.18.28.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 06 Oct 2023 18:28:23 -0700 (PDT) From: Sarthak Kukreti To: dm-devel@redhat.com, linux-block@vger.kernel.org, linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Cc: Jens Axboe , Alasdair Kergon , Mike Snitzer , Christoph Hellwig , Brian Foster , Theodore Ts'o , Andreas Dilger , Bart Van Assche , "Darrick J. Wong" , Dave Chinner , Sarthak Kukreti Subject: [PATCH v8 0/5] Introduce provisioning primitives Date: Fri, 6 Oct 2023 18:28:12 -0700 Message-ID: <20231007012817.3052558-1-sarthakkukreti@chromium.org> X-Mailer: git-send-email 2.42.0.609.gbb76f46606-goog MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Hi, This patch series is version 8 of the patch series to introduce block-level provisioning mechanism (original [1]), which is useful for provisioning space across thinly provisioned storage architectures (loop devices backed by sparse files, dm-thin devices, virtio-blk). This series has minimal changes over v7[2]. This patch series is rebased from the linux-dm/dm-6.5-provision-support [1] on to (cac405a3bfa2 Merge tag 'for-6.6-rc3-tag'). In addition, there's an additional patch to allow passing through an unshare intent via REQ_OP_PROVISION (suggested by Darrick in [4]). [1] Original: https://lore.kernel.org/lkml/20220915164826.1396245-1-sarthakkukreti@google.com/ [2] v7 (last series): https://lore.kernel.org/linux-fsdevel/20230518223326.18744-1-sarthakkukreti@chromium.org/ [3] linux-dm/dm-6.5-provision-suppport tree: https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git/log/?h=dm-6.5-provision-support (with the last two WIP patches for dm-thinpool dropped as per discussion with maintainers). [4] https://lore.kernel.org/linux-fsdevel/20230522163710.GA11607@frogsfrogsfrogs/ Changes from v7: - Drop dm-thinpool (will be independently developed with snapshot support) and dm-snapshot (will not be supported) from the series. - (By snitzer@kernel.org) Fixes for block device provision limits. - (Suggested by djwong@kernel.org) Add mechanism to pass unshare intent via REQ_OP_PROVISION Sarthak Kukreti (5): block: Don't invalidate pagecache for invalid falloc modes block: Introduce provisioning primitives loop: Add support for provision requests dm: Add block provisioning support block: Pass unshare intent via REQ_OP_PROVISION block/blk-core.c | 5 +++ block/blk-lib.c | 55 ++++++++++++++++++++++++++++++++ block/blk-merge.c | 18 +++++++++++ block/blk-settings.c | 19 +++++++++++ block/blk-sysfs.c | 9 ++++++ block/bounce.c | 1 + block/fops.c | 33 ++++++++++++++++---- drivers/block/loop.c | 59 ++++++++++++++++++++++++++++++++--- drivers/md/dm-crypt.c | 4 ++- drivers/md/dm-linear.c | 1 + drivers/md/dm-table.c | 23 ++++++++++++++ drivers/md/dm.c | 7 +++++ include/linux/bio.h | 6 ++-- include/linux/blk_types.h | 8 ++++- include/linux/blkdev.h | 17 ++++++++++ include/linux/device-mapper.h | 17 ++++++++++ 16 files changed, 268 insertions(+), 14 deletions(-)