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On second thought, it looks fine without them. . Swapped _fixed_by_kernel_commit for _fixed_by_fs_commit. . _clone_mount_option(): Now echoes directly from the case block itself. . _require_unique_f_fsid(): add the link to the ref. discussions. 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 _change_metadata_uuid() changes the UUID before the clone 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 (11): fstests: add _loop_image_create_clone() helper fstests: add _clone_mount_option() helper fstests: add FSNOTIFYWAIT_PROG fstests: add _require_unique_f_fsid() helper 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 | 1 + common/rc | 120 +++++++++++++++++++++++++++++++++++++ tests/generic/801 | 135 ++++++++++++++++++++++++++++++++++++++++++ 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, 689 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 -- 2.43.0 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel 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 8B60D39FCCD; Wed, 17 Jun 2026 11:20:49 +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=1781695252; cv=none; b=fpC/cNmS+JtbQWLE1lK5UAqU7oJ5bdEKnq98p7vNE6z77BZZtHhWjRY7EE9/QGuCMDKjhA//01ksQ0SFmN9m8H9mq6rqdU4Tm5gAXSPDo0oCaQ6F1Urj37gyVgxcvcB6/kWph0FxeM7ePNK/LQnQApq9XGfTVAxSBi3S42PXRDc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781695252; c=relaxed/simple; bh=lviHssK6RfHnHTYn0S/J2+9+idEjvPZ9TLOrfO8+yFc=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=HVmWM5Da4yOI1b5l+/wWesyZjL+B084auUjMUoHTzXGbruocjohcFgtukA+URrRusSPzjswzUGPACesmje12YBNqdydLgN98Wy130UYnbO0zan1TkhAgypZjDcBVxEQTMx9RwOjOoZ9PKg40nGB21ow+QhHCJ0nXAkIpOBdfBA4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TUel3iRg; 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="TUel3iRg" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3237B1F000E9; Wed, 17 Jun 2026 11:20:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1781695249; bh=7Zb3aYz8lZNlAUYkdsGBkMuML/PvX4Qn94h9tk/ibUs=; h=From:To:Cc:Subject:Date; b=TUel3iRgpz+g6/pSUIKEmsCkC1dorn7sHn/tFQuj8/LbJULYUa/982I3kp3ptdhgY /JXJ3ky35/7RNB85s8VcbF7h+sdybpOfW5FfHWJGMhKrk/15KnQ0ioaN5m6t4Kc4P+ kPavcJu4lJYoth+zzDDuMXbgZeYw2LglQnuB4rJL9V0QN3YibzPbiOzH6wGaryNZpl yvJnhcVIScWAAh0blg7YWToySUvBdc9H3Si0o1lt0y7QgF83743MuTO4VLA8fOW4V8 8djm9FRw6KDFpwC+WabcPpkvT439Ppy3pD2CN2Mm/OhdMPApfgG5oLMKip+CZ4LYTg HjR7LpfIXWmAg== From: Anand Jain To: fstests@vger.kernel.org Cc: linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, zlang@redhat.com, hch@infradead.org, djwong@kernel.org Subject: [PATCH v7 0/11] fstests: add test coverage for cloned filesystem ids Date: Wed, 17 Jun 2026 19:20:27 +0800 Message-ID: X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit v7: . 803, 806: Trimmed down the UUID checks to only what is required, mountinfo and libblkid. . 802: Dropped the unnecessary echo statements previously used for logical flow in the golden output. On second thought, it looks fine without them. . Swapped _fixed_by_kernel_commit for _fixed_by_fs_commit. . _clone_mount_option(): Now echoes directly from the case block itself. . _require_unique_f_fsid(): add the link to the ref. discussions. 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 _change_metadata_uuid() changes the UUID before the clone 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 (11): fstests: add _loop_image_create_clone() helper fstests: add _clone_mount_option() helper fstests: add FSNOTIFYWAIT_PROG fstests: add _require_unique_f_fsid() helper 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 | 1 + common/rc | 120 +++++++++++++++++++++++++++++++++++++ tests/generic/801 | 135 ++++++++++++++++++++++++++++++++++++++++++ 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, 689 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 -- 2.43.0