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Wed, 2 Sep 2026 01:36:16 -0400 (EDT) Date: Wed, 2 Sep 2026 07:36:13 +0200 From: Greg KH To: Jingbo Xu Cc: xiang@kernel.org, chao@kernel.org, linux-erofs@lists.ozlabs.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH v3] erofs: add sysfs feature entry for xattr prefixes Message-ID: <2026090256-impart-headstand-7d29@gregkh> References: <20260902015039.54190-1-jefflexu@linux.alibaba.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: <20260902015039.54190-1-jefflexu@linux.alibaba.com> On Wed, Sep 02, 2026 at 09:50:39AM +0800, Jingbo Xu wrote: > Let /sys/fs/erofs/features/xattr_prefixes advertise that this kernel > supports the EROFS_FEATURE_INCOMPAT_XATTR_PREFIXES on-disk format. > > Fixes: 6a318ccd7e08 ("erofs: enable long extended attribute name prefixes") > Cc: # 6.4+ > Reviewed-by: Gao Xiang > Signed-off-by: Jingbo Xu > --- > changes since v2: > - add Reviewed-by tag (Gao Xiang) > - update list in Documentation/ABI/testing/sysfs-fs-erofs > (https://sashiko.dev/#/patchset/20260901062243.109172-1-jefflexu%40linux.alibaba.com) > --- > Documentation/ABI/testing/sysfs-fs-erofs | 2 +- > fs/erofs/sysfs.c | 2 ++ > 2 files changed, 3 insertions(+), 1 deletion(-) Why is adding a new feature a stable thing? confused, greg k-h