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 EA7AE30E844 for ; Fri, 15 Aug 2025 16:40:00 +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=1755276001; cv=none; b=XIz3El9tPmT2Zvzp61svEqff2FE7KBj4bmb9ZAGFTDnVGgQc6wVlLMirHZW9PfYMK8UZja9CiS0rWVI3CbhsMoiKN5AUzqHMA1ug40zZwKx/NG+IlEaBjgmZt4Su5GrniKWSRd/t+6B4SKeSGQpG45TsdA89auxsBomU4jyX3vo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755276001; c=relaxed/simple; bh=EeeFqZS4JJOHrZXRZU/ZngCmex+Ibm/qQWj1VUkvDbM=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=RSqCvdS+KoXI9B77oG3HXciGM9K6eSxjCb5HL3EHJUbenRD14NgdTjDhNE4OFB5l/xheUnIpWyKsFBbCzDTYcjfq5jf28S8f8ltfsn7X1df3OmJhsrKj1WG1gbLC6GMrqmIg2znnHRS/kG0JbBA50mD1UUcxIF6dsKxiwBqT0cE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PNzn9niG; 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="PNzn9niG" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 88450C4CEEB; Fri, 15 Aug 2025 16:40:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1755276000; bh=EeeFqZS4JJOHrZXRZU/ZngCmex+Ibm/qQWj1VUkvDbM=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=PNzn9niGtpjSlMCPAdlOHPVYo2b1EIvGe6rpFljmPiZf2SatkqXwYRNdo5BSGbC1l NVLTjA4xOSC+L306eWyoV7CmUUX/u2mfxri64XcK2S7PPXXaNWv3dBijfYo8oD9bUH t+5e4NDcfLyYtX8wN8jXiBATS0JaLUpVQBUFpkMbfOD/r7Kymf+Zlk5X6Q4AEO/lTI xVnUQWAIuYVd9luuBgvim8UlwMXcOpj7mL/gzM6MSfFt2hFTe+LjizqnzczgXBOQFg G9kBhcwHa0XNZ8CZpfT6eGCFUGv3MpKZxiDJ6fD03L//l7kqQcOEPNl9Qmi4qxqzpU 4hPUSeaCeDBGQ== Received: from [10.30.226.235] (localhost [IPv6:::1]) by aws-us-west-2-korg-oddjob-rhel9-1.codeaurora.org (Postfix) with ESMTP id 70E5E39D0C3D; Fri, 15 Aug 2025 16:40:12 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [f2fs-dev] [PATCH v3 1/2] f2fs: add lookup_mode mount option From: patchwork-bot+f2fs@kernel.org Message-Id: <175527601124.1161945.12842294818231800884.git-patchwork-notify@kernel.org> Date: Fri, 15 Aug 2025 16:40:11 +0000 References: <20250805065228.1473089-1-chullee@google.com> In-Reply-To: <20250805065228.1473089-1-chullee@google.com> To: Daniel Lee Cc: jaegeuk@kernel.org, chao@kernel.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Hello: This series was applied to jaegeuk/f2fs.git (dev) by Jaegeuk Kim : On Mon, 4 Aug 2025 23:52:26 -0700 you wrote: > For casefolded directories, f2fs may fall back to a linear search if > a hash-based lookup fails. This can cause severe performance > regressions. > > While this behavior can be controlled by userspace tools (e.g. mkfs, > fsck) by setting an on-disk flag, a kernel-level solution is needed > to guarantee the lookup behavior regardless of the on-disk state. > > [...] Here is the summary with links: - [f2fs-dev,v3,1/2] f2fs: add lookup_mode mount option https://git.kernel.org/jaegeuk/f2fs/c/632f0b6c3e32 - [f2fs-dev,v3,2/2] f2fs: add sysfs entry for effective lookup mode https://git.kernel.org/jaegeuk/f2fs/c/1bd119da0b93 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html