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 AA2E0271443 for ; Wed, 5 Nov 2025 08:20:47 +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=1762330848; cv=none; b=Qj1wIsRDqTfuWlnzurpVpCAjzosvS8U1/xSL3QUPYBmaQZ9OW2BATb7tHYvTe5efuDXScdUgvGJ1wZJzshsWx425o6qyabY0ao1+jqerpRoEKxMgpnhBrBAaBdhoqyQT4F1mrnUkDvwOLXbiEqNTmWmEAoYJqttUbiKTW4olVmU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762330848; c=relaxed/simple; bh=SU3xXnJ3tFjhlwJLcJ9BD1p3BJovvHZH4JOUp/Jg5RI=; h=Message-ID:Date:MIME-Version:Cc:Subject:To:References:From: In-Reply-To:Content-Type; b=ZAGvMJZ8VqiDfhRmtX3MYwXp1rA3ZAr+VcjV7hN0U90skBZgVRWbFyWAXKI2/j55NYA6ai8/YC7acZTl573Hke5RD/gvPgYMPDJ3V8WWizJZptsqCUbnt3x5+E7TBvZ856cwVt/fCc8HoTIuOHjGItSUsFH+UNrL9h/zA3/gR2s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Y4UChklm; 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="Y4UChklm" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DF717C4CEF8; Wed, 5 Nov 2025 08:20:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762330847; bh=SU3xXnJ3tFjhlwJLcJ9BD1p3BJovvHZH4JOUp/Jg5RI=; h=Date:Cc:Subject:To:References:From:In-Reply-To:From; b=Y4UChklmd6dvtVjMtbZ2rKoq+qKtfvtBs3wRFIfsuN3aUFx9DawDKazZvGYPgaFCh OOPFEGmptS+lCJHcoCCocaS3YnjjQnRASioiGx1aAunwl3Pe2W5wBKJR430wOXgD4W MRQvQStpRh2m0rcvAzmCRJJqXJKMS9G6Lu6rwVW7PuzlXJMkSSidgTZTpUUf9Ntu2I zGob/mN20C2YWZH9mGOSBLiCgSs4SmWQrrK0kglOBvBEE2sxwk87Vif4YTMvEbr2aU 2qGJsCZU6aJn8lqcBdkXEaKdWKpYn5yYpsGvNjloy+vmzbaRuKEwcH/lY2PxoTKtnH 6c/khjy84Vb0g== Message-ID: <7e0f34bc-0caf-4d56-a5ba-ef28b947cce8@kernel.org> Date: Wed, 5 Nov 2025 16:20:43 +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] f2fs: 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: <20251104162402.928582-1-daeho43@gmail.com> Content-Language: en-US From: Chao Yu In-Reply-To: <20251104162402.928582-1-daeho43@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 11/5/25 00:24, 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: d7e9a9037de2 ("f2fs: Support Block Size == Page Size") > Signed-off-by: Daeho Jeong Reviewed-by: Chao Yu Thanks,