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Received: from 30.41.54.139(mailfrom:hsiangkao@linux.alibaba.com fp:SMTPD_---0X.ZDcaT_1774280014 cluster:ay36) by smtp.aliyun-inc.com; Mon, 23 Mar 2026 23:33:34 +0800 Message-ID: <0a4bd05f-9a3d-4cf9-b36e-f49f729f0430@linux.alibaba.com> Date: Mon, 23 Mar 2026 23:33:33 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] erofs: update the Kconfig description To: Chao Yu , linux-erofs@lists.ozlabs.org Cc: LKML References: <20260323094857.2187994-1-hsiangkao@linux.alibaba.com> <927c52ee-24b5-4b8f-98ee-3a18f13fa8b5@kernel.org> From: Gao Xiang In-Reply-To: <927c52ee-24b5-4b8f-98ee-3a18f13fa8b5@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hi Chao, On 2026/3/23 17:59, Chao Yu wrote: > On 3/23/26 17:48, Gao Xiang wrote: >> Refine the description to better highlight its features and use cases. >> >> In addition, add instructions for building it as a module and clarify >> the compression option. >> >> Signed-off-by: Gao Xiang >> --- >> fs/erofs/Kconfig | 45 ++++++++++++++++++++++++++++++--------------- >> 1 file changed, 30 insertions(+), 15 deletions(-) >> >> diff --git a/fs/erofs/Kconfig b/fs/erofs/Kconfig >> index a9f645f57bb2..9489ed8ad95b 100644 >> --- a/fs/erofs/Kconfig >> +++ b/fs/erofs/Kconfig >> @@ -16,22 +16,36 @@ config EROFS_FS >> select ZLIB_INFLATE if EROFS_FS_ZIP_DEFLATE >> select ZSTD_DECOMPRESS if EROFS_FS_ZIP_ZSTD >> help >> - EROFS (Enhanced Read-Only File System) is a lightweight read-only >> - file system with modern designs (e.g. no buffer heads, inline >> - xattrs/data, chunk-based deduplication, multiple devices, etc.) for >> - scenarios which need high-performance read-only solutions, e.g. >> - smartphones with Android OS, LiveCDs and high-density hosts with >> - numerous containers; >> - >> - It also provides transparent compression and deduplication support to >> - improve storage density and maintain relatively high compression >> - ratios, and it implements in-place decompression to temporarily reuse >> - page cache for compressed data using proper strategies, which is >> - quite useful for ensuring guaranteed end-to-end runtime decompression >> + EROFS (Enhanced Read-Only File System) is a modern, lightweight, >> + secure read-only filesystem for various use cases, such as immutable >> + system images, container images, application sandboxes, and datasets. >> + >> + EROFS uses a flexible, hierarchical on-disk design so that features >> + can be enabled on demand: the core on-disk format is block-aligned in >> + order to perform optimally on all kinds of devices, including block >> + and memory-backed devices; the format is easy to parse and has zero >> + metadata redundancy, unlike generic filesystems, making it ideal for >> + for filesytem auditing and remote access; inline data, random-access > > duplicated 'for'? otherwise, looks good to me. Fixed and thanks for the review! > > Reviewed-by: Chao Yu > > Thanks, Thanks, Gao Xiang