From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 891D620E030; Mon, 31 Aug 2026 07:17:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788160675; cv=none; b=rlAXbz04pFTAcmW/Ayu7lGiKE/8eLbWqJZ06+M3H3DOEDlH1NR7pDHdi8EAO5Q3XMThP1/5UNM7bwSpIfc1GuIEaECjhxl/7j4bJcdenNIsmO3f7uY0VWRG/EBCi3aNGHxzq31E04DzILueQ0DC6voTpib93moOhNt8yoOQoF1Q= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788160675; c=relaxed/simple; bh=b6BW45xFampavcwPUiir1lKA11mpU4NXoOGWzFpbaRw=; h=Message-ID:Date:MIME-Version:Subject:From:To:Cc:References: In-Reply-To:Content-Type; b=FuneHaOk/owsPKI3g+hyU/r7DAGXLzDHwH04sJzVb+kenUcR8vsBHfb9GT0Pk+Ln5IxAzgDh4sttGNSiiu9SryOdtdgzA55/FNT90ITWqYvaGf6gGCdwJZEZGekZqPY6IJ7fxjcBcUILwxhH7DJFcfY6ONJHku4JTqm7Iv9Ados= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MO1MtEvX; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="MO1MtEvX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A4CC81F000E9; Mon, 31 Aug 2026 07:17:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1788160674; bh=5aHzT2rXprXtY91yiugmupVd9/BEmB45SOlkEfbWgHs=; h=Date:Subject:From:To:Cc:References:In-Reply-To; b=MO1MtEvXjZE/BmWHjzqEZcED9yOPugCwJQI5PZlK0OEtgYgFlIjEEkECtnnHDItHo CnhWUuge88clwdLhqd34troKyA7pt83JpOjCLk1Si5anlv8mArAnXXhnsqm8s/L6jW OVTpQFgq8tS9MTkdEA8TGxOW0aZxT8n9DqzEViGC1DHwQ8Ep2p3Er2jsg3icEPCwzF nnhxmZE/5dQjJ2fLjfX63cU5VC2JTTJOFvRW3thnkg+N89VG/Ipk5C7hosV9Y+TFRD QYBTS4ChJBv6HpDDPuXYMR2mwSetYBIcMa5xJYGeiDCbKfF4BTSbE+N3omPIdDXBhO mQZI0OZ4H3dqw== Message-ID: Date: Mon, 31 Aug 2026 15:17:50 +0800 Precedence: bulk X-Mailing-List: linux-ext4@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v8 0/13] fstests: add test coverage for cloned filesystem ids Content-Language: en-US From: Anand Suveer Jain To: zlang@kernel.org Cc: linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, fstests@vger.kernel.org References: In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Zorro, Ping? Cheers, Anand On 25/7/26 15:38, Anand Jain wrote: > v8: > - _require_fs_space: double the required space (x2) to account for both source and clone > - Use proper quoting/unquoting for _mkfs_dev (Thanks Darrick) > - Call _fail() if cp fails > - _require_fanotify_function: check for kernel fsnotify support > - _require_unique_f_fsid: reorganize comments and replace 'if' with 'case' statement (Thanks Darrick) > - Add SEMANAGE_PROG variable (Thanks Darrick) > - fanotify verification: add checks for SEMANAGE_PROG and _require_fanotify_function > - Verify that the monitoring process is actually created > > v7: > https://lore.kernel.org/fstests/cover.1781694879.git.asj@kernel.org > > v6: > https://lore.kernel.org/fstests/cover.1779939330.git.asj@kernel.org > > v5: > https://lore.kernel.org/fstests/cover.1779367627.git.asj@kernel.org > > v4: > https://lore.kernel.org/fstests/cover.1777357320.git.asj@kernel.org > > v3: > https://lore.kernel.org/fstests/cover.1777281778.git.asj@kernel.org > > v2: > https://lore.kernel.org/fstests/cover.1774090817.git.asj@kernel.org > > v1: > https://lore.kernel.org/fstests/cover.1772095513.git.asj@kernel.org > > This series adds fstests infrastructure and test cases to verify correct > filesystem identity when a filesystem is cloned (block-level copy). > Test covers inotify, fanotify, f_fsid, libblkid, IMA, exportfs file handles > and libblkid tools verify with metadata_uuid. > New helpers: > _loop_image_create_clone() and _loop_image_destroy() to help create fs and clone > _clone_mount_option() helper to apply per-filesystem clone mount options > _require_fanotify_function check if kernel supports fs notification > _require_unique_f_fsid() helper to handle fs difference in fsid implementation > > New tests: > - fanotify events are isolated between cloned filesystems > - f_fsid is unique across cloned filesystem instances > - libblkid correctly resolves duplicate UUIDs to distinct devices > with and without metadata_uuid > - IMA distinct identity for each cloned filesystem > - exportfs file handles resolve correctly on cloned filesystems > > Kernel Patches: > Requires Btrfs kernel patches for all tests to pass. > [1] https://lore.kernel.org/linux-btrfs/cover.1777281686.git.asj@kernel.org > > > Anand Jain (13): > fstests: add _loop_image_create_clone() helper > fstests: add _clone_mount_option() helper > fstests: add FSNOTIFYWAIT_PROG > fstests: add _require_fanotify_function > fstests: add _require_unique_f_fsid() helper > fstests: add SEMANAGE_PROG > fstests: verify fanotify isolation on cloned filesystems > fstests: verify f_fsid for cloned filesystems > fstests: verify libblkid resolution of duplicate UUIDs > fstests: verify IMA isolation on cloned filesystems > fstests: verify exportfs file handles on cloned filesystems > fstests: add _change_metadata_uuid helper > fstests: test UUID consistency for clones with metadata_uuid > > common/config | 2 + > common/rc | 135 +++++++++++++++++++++++++++++++++++++++ > tests/generic/801 | 143 ++++++++++++++++++++++++++++++++++++++++++ > tests/generic/801.out | 7 +++ > tests/generic/802 | 64 +++++++++++++++++++ > tests/generic/802.out | 4 ++ > tests/generic/803 | 72 +++++++++++++++++++++ > tests/generic/803.out | 6 ++ > tests/generic/804 | 108 +++++++++++++++++++++++++++++++ > tests/generic/804.out | 10 +++ > tests/generic/805 | 80 +++++++++++++++++++++++ > tests/generic/805.out | 2 + > tests/generic/806 | 74 ++++++++++++++++++++++ > tests/generic/806.out | 6 ++ > 14 files changed, 713 insertions(+) > create mode 100644 tests/generic/801 > create mode 100644 tests/generic/801.out > create mode 100644 tests/generic/802 > create mode 100644 tests/generic/802.out > create mode 100644 tests/generic/803 > create mode 100644 tests/generic/803.out > create mode 100644 tests/generic/804 > create mode 100644 tests/generic/804.out > create mode 100644 tests/generic/805 > create mode 100644 tests/generic/805.out > create mode 100644 tests/generic/806 > create mode 100644 tests/generic/806.out >