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 C7DC71A257D; Mon, 14 Apr 2025 05:50:56 +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=1744609858; cv=none; b=GLly8mgaf1ck6e8O23JFPsTgZ514ATIyoLq76BxVpxRy4kl8ONdpQu6XZKoJeZu9QP8i/+m4O38y9sel+KMYQOdNp5P6QXpFMnfHqubAfFDraDcR0gpyiDRaWAWqyohZ0jsJQAeD8HXb6spq52idwliszNVrlTwMGkug+MH0r30= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744609858; c=relaxed/simple; bh=tAfFbhVdV51oLBAZnxPt1aAziTS59NvE0HEf+q6B0pI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=co5VV4rKH5n/3Iw6tu+3x9nHDgOqFGKLqZMF2sbmN5KAkQdlh2XIodRZaMw+Uhp+aD8BoSTkYzvEFbTWx3doFltHOsHm0+9nRAbqwSoODG70zSH19wcz54BIcPsD6v0Lg5kCDXsa00AkrY7h+YVCpSiL5rK0AkyI0yY035zP2m0= 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=gg0FkyAZ; 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="gg0FkyAZ" 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=Njm3oJYrhG1uPcbOAYVKxijpEhibJEuaYWjvMEvM1LU=; b=gg0FkyAZyQs8/2nMDvjoRAQUqt QNFyQ/VqqFqdkDk09Jz6ePqEWEkudKG5ow0M5iC9dffOWDOw9f/d7EHpA8fbeT9hQ4yAjiZ7ftXXf Ut/kGYo/sHI9/l6/106HayrXNd0QZR5/iKrpgAT9HW3vWQmOyE48F0bvVn8ok3/LUPd8WasZBlt38 WeahIw0mqEcQ9fVWO16ZEb6bt53PYuIF+xrg+vOyhyLbL4VLgBrvJR5nNk9NBYXx+hIUvRlpz10wT OJCk72Vvyb3B7+PkwLT84WcnE/DE2eKLeghbuN3UX29na2nB79orWIkAEoFMbrIFN6dh8wVltHAzc 9vSDM+xQ==; Received: from hch by bombadil.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1u4Cic-00000000jqH-3W6C; Mon, 14 Apr 2025 05:50:54 +0000 Date: Sun, 13 Apr 2025 22:50:54 -0700 From: Christoph Hellwig To: Lizhi Xu Cc: syzbot+e36cc3297bd3afd25e19@syzkaller.appspotmail.com, almaz.alexandrovich@paragon-software.com, brauner@kernel.org, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, ntfs3@lists.linux.dev, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk Subject: Re: [PATCH] fs/ntfs3: Add missing direct_IO in ntfs_aops_cmpr Message-ID: References: <67f818d3.050a0220.355867.000d.GAE@google.com> <20250411012428.3473333-1-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: <20250411012428.3473333-1-lizhi.xu@windriver.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Fri, Apr 11, 2025 at 09:24:27AM +0800, Lizhi Xu wrote: > The ntfs3 can use the page cache directly, so its address_space_operations > need direct_IO. I can't parse that sentence. What are you trying to say with it?