From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755821AbcIKMrs (ORCPT ); Sun, 11 Sep 2016 08:47:48 -0400 Received: from bombadil.infradead.org ([198.137.202.9]:56213 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755007AbcIKMrq (ORCPT ); Sun, 11 Sep 2016 08:47:46 -0400 Date: Sun, 11 Sep 2016 05:47:41 -0700 From: Christoph Hellwig To: Matthew Wilcox Cc: Christoph Hellwig , Ross Zwisler , "Theodore Ts'o" , "linux-kernel@vger.kernel.org" , Andrew Morton , "linux-nvdimm@ml01.01.org" , Dave Chinner , "linux-mm@kvack.org" , Andreas Dilger , Alexander Viro , Jan Kara , "linux-fsdevel@vger.kernel.org" , "linux-ext4@vger.kernel.org" Subject: Re: [PATCH v2 2/9] ext2: tell DAX the size of allocation holes Message-ID: <20160911124741.GA746@infradead.org> References: <20160825075728.GA11235@infradead.org> <20160826212934.GA11265@linux.intel.com> <20160829074116.GA16491@infradead.org> <20160829125741.cdnbb2uaditcmnw2@thunk.org> <20160909164808.GC18554@linux.intel.com> <20160910073012.GA5295@infradead.org> <20160910074228.GA23749@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.6.1 (2016-04-27) X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Sep 10, 2016 at 07:52:53AM +0000, Matthew Wilcox wrote: > DAX code over to using iomap requires converting all of ext2 away from > buffer_head; are you saying he's wrong? Not sure if he's really saying that, but it's wrong for sure. Just to prove that I came up with a working ext2 iomap DAX implementation in a few hours today. I'll take a stab at ext4 and the block device as well and will post the updated series early next week - I'll need to take care of a few high priority todo list items first.