From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 445C04A1A; Wed, 16 Apr 2025 04:37:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744778227; cv=none; b=OP/lcwKgpSCWVbRJiNcBhP46bH7458iGLhyCInqRtMo+sm1xKk961IRDQr1by7vQbGFLljut18jz4Ll7U9qoqAUXZDLrpgppiB6sE8VJlYbxVVgCPDrnO+yARJciwT1nKsk6la11qO2hp4qfVEbhftOodvTU8yFvN0d5tjW5V1g= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744778227; c=relaxed/simple; bh=CLuTPtJ/W0nH0ifdaKYd5Lka79cNaAeH4PkTOAgL/WQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=YFFsqk3oQuE7PA78CmhX21OiHGkDHttrJ+sGnxZvE/SGOzp/H+nxjEIUt+sqGkLKhUScIv0TccRBBWcJl+cuZRwDqyFTh39KPSxOnlkkDkYE4oQD3+A8v5PkHhwu4REtafZbFmlHityUhe8v2RqWSxnPizKwZ78ot4Fut5u4fLs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=EqYgKWsB; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="EqYgKWsB" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=PalyFqm2a9ht5Bv38AYsElqk2gmdRQBYGnXGQdGD96s=; b=EqYgKWsBgM6sOJ30PAi7VMCSzq yKxQWFjE74FWHg0EAAmVlv9Eq0gFUhVO8QnR8uUiaNTPJxJ0dA9I8taYRe6YSxaZ86GtxKTwtDpge E3OUYRk2NCREFa0O3dKxCW2UToRIP4gop6NfChx6DYq5Vjd51vjjUDoTzdDr72zmfciPmAvyqoGCk AIaAElqyaB2Z2rwLQLscT7Ik9ru6qhYufQLh/vhIOtHf/Z0jxRr0r74aanxwMLveQV7Laa96EnRMp S/FiK+Y++yp4jLrnMjwZit8Tjgi9AewGgE41EAq7XQN9b8jNWNnvnu7tql6dUXcL6GEAKkxoURZu0 QlGPUzyA==; Received: from hch by bombadil.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1u4uWG-00000008AJb-088f; Wed, 16 Apr 2025 04:37:04 +0000 Date: Tue, 15 Apr 2025 21:37:04 -0700 From: Christoph Hellwig To: Lizhi Xu Cc: jack@suse.cz, almaz.alexandrovich@paragon-software.com, brauner@kernel.org, hch@infradead.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, ntfs3@lists.linux.dev, syzbot+e36cc3297bd3afd25e19@syzkaller.appspotmail.com, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Subject: Re: [PATCH V2] fs/ntfs3: Add missing direct_IO in ntfs_aops_cmpr Message-ID: References: <20250415092637.251786-1-lizhi.xu@windriver.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: <20250415092637.251786-1-lizhi.xu@windriver.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Tue, Apr 15, 2025 at 05:26:37PM +0800, Lizhi Xu wrote: > The ntfs3 can use the page cache directly, so its address_space_operations > need direct_IO. This sentence still does not make any sense.