From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793237459; b=nnoqR1peo4+kJXTbPLRH2FnkzeC3TqspQwIQYSrXbfmqz39y2uz8kbNziwNtOp7yTcaO UtcYZwzFfK9f/2vHa5u9LYt/BYTaDMJnMabzhvCa4wRuIRHGcsIMHHZqrrCiS2z3fqFDN l/nW96imcBfWhpxitT+XFcFYG0Uc6CGQ/ehT3uVFwknzt0yAkIXRKODDFP4hf4dboMiNj S22xhCv7c0NRgP5rUrMXlwnF93kqt8IBiMPtA1QvHkTfk7Q3JthpozkPFZlO4AZuJYARK +ZBXy8HEreHfQnLkYs5RfVJdTGmdCCLPvhOYjh9YnqTiGuBqjC5DRW3jXyChPgZbqng== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793237459; h=Received:DKIM-Signature:Message-ID:Date:MIME-Version:User-Agent:Cc: Subject:To:References:Content-Language:From:In-Reply-To:Content-Type: Content-Transfer-Encoding; bh=q0ZKJPgJU67rNrM9GQ++LxkEhkMlTwB29Xurgfacd4M=; b=QPbCr9zwnwlnYg4ITHNWh9wlIg3+h2LbmP/z8Npz0y6KcHLNusWVA+SvoyBoUVbKKgij lbD7RegOdN2Ugbc6KK/Fzi3RfAROfQISoy4kOzU7WJFOlpW9NJVX0zrAQJrnvCqlB4lZk w8GatDGtnMUzeQiaBiK0ty3ZcUT4X5OTeR0x+YQ4NgDEDCQ8FkVNLnah8gr2SN8lJNDC3 32i8zYwn+feh+CMs+v+j+y0Ontx4/LpwQoqWm3Giq4asWVdVBgl3CfTk/qm7JxTJbafrm OIXaNFwaC/tWCa0c3FVH1lJbKF7zWSzsbDxVDUqlai9O0eKt7QuXIFbXUjeYIVwznjA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=g8SlSu1Z; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E1F27606A320 for ; Thu, 29 Oct 2026 01:30:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=g8SlSu1Z Received: by smtp.kernel.org (Postfix) with ESMTPSA id 710C81F01828; Thu, 29 Oct 2026 01:30:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1793237458; bh=q0ZKJPgJU67rNrM9GQ++LxkEhkMlTwB29Xurgfacd4M=; h=Date:Cc:Subject:To:References:From:In-Reply-To; b=g8SlSu1ZZkJva0Uk25sxluD+zl/3O4xzpnYvBFwx5q0DeS7PkPttgHY/pXuGpUuKn Tn+Sc/s6DxfCTsItKLsYRtY6VWpkwJImXq4WH+NWo/8FX6yYFP/ouyUT+Ra7VtqD2o mPdgodkplIWlJze/u8aUtnXlMZNe4ZVjDJj15ZLYPru7QDSe510nMnrgfWjrqOxUth M4p+DO2pOE4nlwBneezQADzaZ7uhxGuEUnrVbPK7nieRLyqf0Axa6nt3eOEBW4cM2U gfc64Y9xiBYdp7S1YUtjI9poujqfo108loY6ffrEDulvZj+txopuIfCjBzZmO2dFHi DsUq8e8xBpAFA== Message-ID: <50b8a3e7-a779-46b9-9238-b1e345d03841@kernel.org> Date: Thu, 29 Oct 2026 09:30:54 +0800 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Cc: chao@kernel.org, Barry Song , Juan Yescas , Daeho Jeong , Pengfei Li , Dev Jain , David Hildenbrand , linux-kernel@vger.kernel.org, Bo Zhang , Kalesh Singh , Nanzhe Zhao , Nanzhe Zhao , Ryan Roberts Subject: Re: [PATCH v8 01/15] f2fs: extend folio state for large folio write path To: Nanzhe Zhao , linux-f2fs-devel@lists.sourceforge.net, Jaegeuk Kim References: <20261028154407.1601430-1-nzzhao.sigma@gmail.com> <20261028154407.1601430-2-nzzhao.sigma@gmail.com> Content-Language: en-US From: Chao Yu In-Reply-To: <20261028154407.1601430-2-nzzhao.sigma@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 10/28/26 23:43, Nanzhe Zhao wrote: > From: Nanzhe Zhao > > Large folio write path needs a subpage status bitmap and write > pages pending counter, while keeping compatible with f2fs private > flags. > > Move struct f2fs_folio_state to f2fs.h, add private_flags and > subpage state bitmap, and change PAGE_PRIVATE functions to be > compatible with f2fs_folio_state. Allocate f2fs_folio_state via kzalloc > instead of kmem_cache, since the state size depends on the folio order. > > Note: Now if a path wants to use f2fs_folio_state, it must call > `folio_has_ffs` instead of `folio_test_large`` to make check. > > Signed-off-by: Nanzhe Zhao Reviewed-by: Chao Yu Thanks,