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with esmtps (TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.95) id 1uet20-0004VI-Fs for linux-f2fs-devel@lists.sourceforge.net; Thu, 24 Jul 2025 10:18:32 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sea.source.kernel.org (Postfix) with ESMTP id 2092145405; Thu, 24 Jul 2025 10:18:22 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 738A8C4CEED; Thu, 24 Jul 2025 10:18:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1753352302; bh=kxNbWmvGgnDYGDeo1gboZY2VzKiJaS/yvAS02FMDsno=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=qhZT44thqgQVxJ9rRh0LLiA8wFQN8Uwt2NBlm3NvZilVQm7fyVM4foN38zUsSHMD/ z9GO9ba57JpR+ZIWxolyviW9NFX+c/YauCU1Qw8LTlnHhGX0/ixPAO502tVQEK+bY/ Rny13nIhUvKk4ISHPuJO0JNtgqMHROkqAgFWejWfKyzCqk5mYARBZx9iCQ0uObBB1u i9vb4XE6w+DiquOhNENj9cdKwE1R4TcIZIoULdxRexeQ9QECa78EO+mAKw8Gyloe8d ZEbl6+NigcGM5FkXjuQjExv0+cEgYXsGzK2qOvRruDKMJLjPFgfhM40QGy3xxgzco4 xfY+uuWWKloZg== Date: Thu, 24 Jul 2025 11:18:17 +0100 To: Greg Kroah-Hartman Message-ID: <20250724101817.GZ11056@google.com> References: <20250416054805.1416834-1-chao@kernel.org> <20250624100039.GA3680448@google.com> <2025070253-erased-armadillo-0984@gregkh> <20250723082639.GP11056@google.com> <2025072354-tricolor-annex-92fb@gregkh> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <2025072354-tricolor-annex-92fb@gregkh> X-Headers-End: 1uet20-0004VI-Fs Subject: Re: [f2fs-dev] [STABLE 5.15+] f2fs: sysfs: add encoding_flags entry X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Lee Jones via Linux-f2fs-devel Reply-To: Lee Jones Cc: Sasha Levin , linux-kernel@vger.kernel.org, stable@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, jaegeuk@kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: 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h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=qhZT44thqgQVxJ9rRh0LLiA8wFQN8Uwt2NBlm3NvZilVQm7fyVM4foN38zUsSHMD/ z9GO9ba57JpR+ZIWxolyviW9NFX+c/YauCU1Qw8LTlnHhGX0/ixPAO502tVQEK+bY/ Rny13nIhUvKk4ISHPuJO0JNtgqMHROkqAgFWejWfKyzCqk5mYARBZx9iCQ0uObBB1u i9vb4XE6w+DiquOhNENj9cdKwE1R4TcIZIoULdxRexeQ9QECa78EO+mAKw8Gyloe8d ZEbl6+NigcGM5FkXjuQjExv0+cEgYXsGzK2qOvRruDKMJLjPFgfhM40QGy3xxgzco4 xfY+uuWWKloZg== Date: Thu, 24 Jul 2025 11:18:17 +0100 From: Lee Jones To: Greg Kroah-Hartman Cc: Chao Yu , stable@vger.kernel.org, Sasha Levin , jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org Subject: Re: [STABLE 5.15+] f2fs: sysfs: add encoding_flags entry Message-ID: <20250724101817.GZ11056@google.com> References: <20250416054805.1416834-1-chao@kernel.org> <20250624100039.GA3680448@google.com> <2025070253-erased-armadillo-0984@gregkh> <20250723082639.GP11056@google.com> <2025072354-tricolor-annex-92fb@gregkh> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <2025072354-tricolor-annex-92fb@gregkh> On Wed, 23 Jul 2025, Greg Kroah-Hartman wrote: > On Wed, Jul 23, 2025 at 09:26:39AM +0100, Lee Jones wrote: > > On Wed, 02 Jul 2025, Greg Kroah-Hartman wrote: > > > > > On Tue, Jun 24, 2025 at 11:00:39AM +0100, Lee Jones wrote: > > > > On Wed, 16 Apr 2025, Chao Yu wrote: > > > > > > > > > This patch adds a new sysfs entry /sys/fs/f2fs//encoding_flags, > > > > > it is a read-only entry to show the value of sb.s_encoding_flags, the > > > > > value is hexadecimal. > > > > > > > > > > =========================== ========== > > > > > Flag_Name Flag_Value > > > > > =========================== ========== > > > > > SB_ENC_STRICT_MODE_FL 0x00000001 > > > > > SB_ENC_NO_COMPAT_FALLBACK_FL 0x00000002 > > > > > =========================== ========== > > > > > > > > > > case#1 > > > > > mkfs.f2fs -f -O casefold -C utf8:strict /dev/vda > > > > > mount /dev/vda /mnt/f2fs > > > > > cat /sys/fs/f2fs/vda/encoding_flags > > > > > 1 > > > > > > > > > > case#2 > > > > > mkfs.f2fs -f -O casefold -C utf8 /dev/vda > > > > > fsck.f2fs --nolinear-lookup=1 /dev/vda > > > > > mount /dev/vda /mnt/f2fs > > > > > cat /sys/fs/f2fs/vda/encoding_flags > > > > > 2 > > > > > > > > > > Signed-off-by: Chao Yu > > > > > --- > > > > > Documentation/ABI/testing/sysfs-fs-f2fs | 13 +++++++++++++ > > > > > fs/f2fs/sysfs.c | 9 +++++++++ > > > > > 2 files changed, 22 insertions(+) > > > > > > > > This patch, commit 617e0491abe4 ("f2fs: sysfs: export linear_lookup in > > > > features directory") upstream, needs to find its way into all Stable > > > > branches containing upstream commit 91b587ba79e1 ("f2fs: Introduce > > > > linear search for dentries"), which is essentially linux-5.15.y and > > > > newer. > > > > > > > > stable/linux-5.4.y: > > > > MISSING: f2fs: Introduce linear search for dentries > > > > MISSING: f2fs: sysfs: export linear_lookup in features directory > > > > > > > > stable/linux-5.10.y: > > > > MISSING: f2fs: Introduce linear search for dentries > > > > MISSING: f2fs: sysfs: export linear_lookup in features directory > > > > > > > > stable/linux-5.15.y: > > > > b0938ffd39ae f2fs: Introduce linear search for dentries [5.15.179] > > > > MISSING: f2fs: sysfs: export linear_lookup in features directory > > > > > > > > stable/linux-6.1.y: > > > > de605097eb17 f2fs: Introduce linear search for dentries [6.1.129] > > > > MISSING: f2fs: sysfs: export linear_lookup in features directory > > > > > > > > stable/linux-6.6.y: > > > > 0bf2adad03e1 f2fs: Introduce linear search for dentries [6.6.76] > > > > MISSING: f2fs: sysfs: export linear_lookup in features directory > > > > > > > > stable/linux-6.12.y: > > > > 00d1943fe46d f2fs: Introduce linear search for dentries [6.12.13] > > > > MISSING: f2fs: sysfs: export linear_lookup in features directory > > > > > > > > mainline: > > > > 91b587ba79e1 f2fs: Introduce linear search for dentries > > > > 617e0491abe4 f2fs: sysfs: export linear_lookup in features directory > > > > > > Great, then can someone submit these in a format we can apply them in? > > > or do clean cherry-picks work properly? > > > > Does this work: > > > > Please backport upstream commit: > > > > 617e0491abe4 f2fs: sysfs: export linear_lookup in features directory > > > > ... to all stable branches up to and including linux-5.15.y. > > > > If there are conflicts, I can do the backport myself and submit as patches. > > There are conflicts, it doesn't apply to 6.1.y or 5.15.y :( Okay, thanks for trying. Leave it with me. -- Lee Jones [李琼斯]