From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (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 79B3A3D6B; Wed, 4 Sep 2024 04:07:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.95.11.211 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725422880; cv=none; b=pYKCPMx1A+dNMNRzCb6fccY0nKifXvP0wYTMYKW94yD3U8hcgw5AQCm8F2eWRwmdhJ/+L8L+Z07TTcJc6kiYrm9y7mYFJYuq/UbOXK/u302kIj/rRZgBW81E9Sv4G7gmJocV1dwtxm8HOvJWcKnZvSwjdXjKbYZJuZZD8sLOlSg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725422880; c=relaxed/simple; bh=tBcSusuZE4Kf3Djx/i/NOgc7ib3XJikQkZ9YcqBlkvo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=uV6MX6nm/d92PTi9ZdWKyGbzWpcymPSUh46ygAlTThmGh954A3XnSpuGr6p8c3lkBU8Ezh5Ayp2P1ar4kB1okghJM7oOHFC6Bm7pfiDmvdfAYTcjBjnIELQ3HtHXdEReB14n996mwPyvQ5AA8pkQ4Ov+IIhG8AAKtBFkjpb18fU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de; spf=pass smtp.mailfrom=lst.de; arc=none smtp.client-ip=213.95.11.211 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lst.de Received: by verein.lst.de (Postfix, from userid 2407) id 9A58268AA6; Wed, 4 Sep 2024 06:07:51 +0200 (CEST) Date: Wed, 4 Sep 2024 06:07:51 +0200 From: Christoph Hellwig To: Dave Chinner Cc: Julian Sun , linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, tytso@mit.edu, adilger.kernel@dilger.ca, jack@suse.cz, brauner@kernel.org, djwong@kernel.org, hch@lst.de, syzbot+296b1c84b9cbf306e5a0@syzkaller.appspotmail.com Subject: Re: [PATCH] iomap: clean preallocated blocks in iomap_end() when 0 bytes was written. Message-ID: <20240904040751.GA13262@lst.de> References: <20240903054808.126799-1-sunjunchao2870@gmail.com> Precedence: bulk X-Mailing-List: linux-ext4@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: User-Agent: Mutt/1.5.17 (2007-11-01) Just a quick notice that I'm on vacation this week and only doing an absolute minimal amount of work in the mornings, as I said before I'm planning to look into it when I get time. But just as Dave I suspect that the patch is papering over the real issue.