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 5BA23A48; Wed, 28 Aug 2024 04:32:36 +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=1724819557; cv=none; b=BbCEjy4+k6oSXvvCLEWuPVRyEnxZrOKF4IduDhh77QvunJw8sSVMjjZF2zOuWnwXzS93mFNMf6G+5U7NYYs6Lmha+IrD3caL0x2JPvUTvHuDNw/EHnK8+p4HNkugTKuQJ+xFixjkfBh9PW2g633vD91fWCbQrrcqiDZagSn0Jxc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724819557; c=relaxed/simple; bh=zt8HFHN+KLKybUEPSC1qVuw+SAE/WwOB9cLLcno3f1U=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=HqW7vRmEhKPRn3LKiZ8pibdMHhzoQPXxsjMZKfXFUAa5NnxBCMVqlZfW1OCsAE4gY6qVPuxlvJQAB9Hi87PKJ4NbVvEKkm6WBN7ggBLAYlbDiYpgv0GPVCoQf5PMiMRMxGB2sqDxVLb/nYYo6Ka0hvr27PCsHXC4+2d/3SqcI90= 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=zkD7r4P1; 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="zkD7r4P1" 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=zt8HFHN+KLKybUEPSC1qVuw+SAE/WwOB9cLLcno3f1U=; b=zkD7r4P1VXX9qv0vxWdRdWftCW 841z7yRGrT0/RWpY42dhICoteoB45H+YDMeWFZdMyT/rTzy1iwnuyz4wKeFJdgqPe3afLTNdWkrEY AWhpfLZu4hHUWh0qig9PQSW6miSb6CqTHWBYI10nGSF5FxeN7fUxjLZgIgweR5J3I+Oqu4IFl0ias W3PZJEddtSfu0wI3w8kw6rm9ylBU7DkVBPHyRPKFraFa1jcQ8TBJLVxJHnPFEe7XU58WoQiVYVDBa rJRua4tKc9pvBoHaJcmLCaNabJVqCak7IMjyQgby6tNeKUAlVGskV2exI2az7utBSffKG+ak2LXIN 3FVueBIw==; Received: from hch by bombadil.infradead.org with local (Exim 4.97.1 #2 (Red Hat Linux)) id 1sjAMF-0000000Dns2-3s6w; Wed, 28 Aug 2024 04:32:35 +0000 Date: Tue, 27 Aug 2024 21:32:35 -0700 From: Christoph Hellwig To: Brian Foster Cc: Christoph Hellwig , linux-fsdevel@vger.kernel.org, linux-xfs@vger.kernel.org, djwong@kernel.org, josef@toxicpanda.com, david@fromorbit.com Subject: Re: [PATCH 2/2] iomap: make zero range flush conditional on unwritten mappings Message-ID: References: <20240822145910.188974-1-bfoster@redhat.com> <20240822145910.188974-3-bfoster@redhat.com> Precedence: bulk X-Mailing-List: linux-xfs@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: X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Tue, Aug 27, 2024 at 10:23:10AM -0400, Brian Foster wrote: > Yeah, I agree with that. That was one of the minor appeals (to me) of the > prototype I posted a while back that customizes iomap_truncate_page() to > do unconditional zeroing instead of being an almost pointless wrapper > for iomap_zero_range(). I only very vaguely remember that, you don't happen to have a pointer to that?