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 BE443302760 for ; Wed, 5 Nov 2025 09:42:49 +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=1762335769; cv=none; b=joijUkH4vS8erfshjibr5LV2IgWmJXAXA6dVxyhoiOzeXTvQ6AFlg03phLLIImJBWZBAaAHLYvo7h71BwPN5ipzX86PYcqBgJ80OaTeeisXk2aEYN7cTf0K3sEC89quWxLSbdcnYE86tsCgvKW0cuGvbpUHvgMpeaAHNKofHwYg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762335769; c=relaxed/simple; bh=gR67EH2yP9lSn4ONpm8uJrVynpMjctZL7TDFZrX7Q0c=; h=Message-ID:Date:MIME-Version:Cc:Subject:To:References:From: In-Reply-To:Content-Type; b=ZV4jS2w8gzmPrbNRv5FmQQQwwOAU9B6OxrvYe5cuuTo6SaZpW0l9dvTQe5w9Op6LiQ/cxb7mL5Ov0+PMMKWAbbRYT2rDkgq+0AH6a/wJGQZp6Fm7GonXsz4BzVa7bCBHdXvn0RbsYrvl9q3iWeOJQRVmBoGqeXs56D86QQR3ETE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=i05Nw8Zx; 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="i05Nw8Zx" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F15F8C4CEF8; Wed, 5 Nov 2025 09:42:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762335769; bh=gR67EH2yP9lSn4ONpm8uJrVynpMjctZL7TDFZrX7Q0c=; h=Date:Cc:Subject:To:References:From:In-Reply-To:From; b=i05Nw8ZxqtMlhl2W3pqtrYZXd/6jrcpaHYNgmhcV/UX4nVr2dpOiic2dBqDa9b50A z09N2HXHoXkZG84XKsfGZwycAz7xzQMOucMN0dk5x/sjxuXkJMbwRi1JD7vO0AxE0t pHVibjAz5qpfR2LLZQRFehpX7nDU783Y+lZ02SY413CmZFcM2XWS5r/4m9OmekJDth lFZor0/CIFgI30jrG77yJL2TaoK/6YV3NcF7s38r06B+xyqWd2suzpyraLQe22/1fY ESjiS9IUMJht8ZeKn8irTZ72kD+GuZoZ2pBrlTgOALQgO8C3ceaQAYUeDoWQVpzVdh mnPDa8OK8RWPQ== Message-ID: <84a7c83b-529a-4fca-a5d0-4d2015bdeeab@kernel.org> Date: Wed, 5 Nov 2025 17:42:45 +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 Cc: chao@kernel.org, Daeho Jeong Subject: Re: [f2fs-dev] [PATCH v4] f2fs-tools: revert summary entry count from 2048 to 512 in 16kb block support To: Daeho Jeong , linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, kernel-team@android.com References: <20251104162226.919906-1-daeho43@gmail.com> Content-Language: en-US From: Chao Yu In-Reply-To: <20251104162226.919906-1-daeho43@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 11/5/25 00:22, Daeho Jeong wrote: > From: Daeho Jeong > > The recent increase in the number of Segment Summary Area (SSA) entries > from 512 to 2048 was an unintentional change in logic of 16kb block > support. This commit corrects the issue. > > To better utilize the space available from the erroneous 2048-entry > calculation, we are implementing a solution to share the currently > unused SSA space with neighboring segments. This enhances overall > SSA utilization without impacting the established 8MB segment size. > > Fixes: 50fd00b168d7 ("f2fs-tools: Support different block sizes") > Signed-off-by: Daeho Jeong Reviewed-by: Chao Yu Thanks,