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smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=ldHuEhFu; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="ldHuEhFu" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C11C2C4CEED; Wed, 2 Jul 2025 10:20:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1751451633; bh=isVC2OxjtYeqrfimdWGEstYRYwCNvNScMRWqnkaXR5Y=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ldHuEhFu2SGpKZLoH1Ob+UWzanKdn4CbBABLItbBdbvqk3EYLiAREtyvVyNJVJsIO QrfOqR5WxC997Tn11w9ouYm+N85Vqt49rr2e9zg3opiRPnIPU9fQampZJR72A3VlTj zdlyJ/H5U3hvRbdazjEt7nnd6gwVcNf3kUtzYgWI= Date: Wed, 2 Jul 2025 12:20:30 +0200 From: Greg Kroah-Hartman To: Lee Jones 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: <2025070253-erased-armadillo-0984@gregkh> References: <20250416054805.1416834-1-chao@kernel.org> <20250624100039.GA3680448@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250624100039.GA3680448@google.com> 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? thanks, greg k-h