From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 C5BC136EA88; Sat, 21 Mar 2026 11:55:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774094150; cv=none; b=pGLMFinQLtX/D0bBQPp2aYT9D0jtUUQrOrHuYV3pubSbhIOXGQpfnYWUSZvoWGRtyoMIdm0cLtyCJUqHD74Xk7wS9q5IPGHmGfY4TcrP5X6PxefnROdaFVp3Nt0Slni7jPkqD5To3B6Zq1/AjXJ+cBdJ/TJmGp0T2VzZ8EHDXYw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774094150; c=relaxed/simple; bh=Nb7Jj7Kv075pqwu9v9tSFZbPIirnp1cn6S/R2NGRoWw=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=XhjY6KNyTt2TdxAN72UZryNuW5/yVrjyMf9wYqlBPRor4MS0uEG4KUa4Y0P9YHjyQM54UrTUoVzmGvATRJejYnP8pUPLdimcD+Xc0wleu1m0h4Bzj84T6qsg5c1kfjAzszNPqNdGWSL9vN/gsvawg5BuPXAOqmeu+QW4YYn1eJ0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=B5Hrruaf; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="B5Hrruaf" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 40EBDC19421; Sat, 21 Mar 2026 11:55:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774094150; bh=Nb7Jj7Kv075pqwu9v9tSFZbPIirnp1cn6S/R2NGRoWw=; h=From:To:Cc:Subject:Date:From; b=B5Hrruaf2xvPLVgvbKDoZX8qVWVEowDhveZxGrPuri/fDpplRFcTR2dAKy+Ika63H 0PO55qhEUjT4qNTePIl3C7xx9ETTfeDKcYq++hDsxtQv6pcptzJEqm9fMPAo1DN4Cs l+zhyzxxO4kgVWsPuQd2+nOlJ6RkC4wRwEdFst9F9gJBFrtvhnhanjcTsuTjmxZZmV XOKL/Q5dgvfSLXPpo2oaYQqbxreT178yUzL1jSwV7KhV7IoNsrmgN79Oi8FNQAOHJJ n/7wN/tweR7DAQ7cYA8RZx2VtIwJc/e0FUYbx8j4DfFq2MNNk9mRfNiJY6S5DIOmvs Uu6Az5ERpQl6Q== From: Anand Jain To: linux-ext4@vger.kernel.org, linux-btrfs@vger.kernel.org Cc: linux-xfs@vger.kernel.org, hch@infradead.org Subject: [PATCH v2 0/3] fix s_uuid and f_fsid consistency for cloned filesystems Date: Sat, 21 Mar 2026 19:55:16 +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 v2: Derive statfs::f_fsid only when using new 'nouuid'; naming matches with xfs. v1: btrfs: https://lore.kernel.org/linux-btrfs/cover.1772095546.git.asj@kernel.org/ ext4: https://lore.kernel.org/linux-ext4/e269a49eed2de23eb9f9bd7f506f0fe47696a023.1772095546.git.asj@kernel.org/ Anand Jain (3): btrfs: use on-disk uuid for s_uuid in temp_fsid mounts btrfs: derive f_fsid from on-disk fsuuid and dev_t ext4: derive f_fsid from block device to avoid collisions fs/btrfs/disk-io.c | 3 ++- fs/btrfs/fs.h | 1 + fs/btrfs/super.c | 35 +++++++++++++++++++++++++++++++---- fs/ext4/ext4.h | 1 + fs/ext4/super.c | 12 ++++++++++-- 5 files changed, 45 insertions(+), 7 deletions(-) -- 2.43.0