From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D0FDBC433F5 for ; Wed, 22 Sep 2021 02:36:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AAD5E611B0 for ; Wed, 22 Sep 2021 02:36:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229847AbhIVChx (ORCPT ); Tue, 21 Sep 2021 22:37:53 -0400 Received: from mail.kernel.org ([198.145.29.99]:55592 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229466AbhIVChw (ORCPT ); Tue, 21 Sep 2021 22:37:52 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 56B8661178; Wed, 22 Sep 2021 02:36:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1632278183; bh=fot5GTOfzIwkSGTvycywEcAtayVaDZk7RQjs5hY/iLM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=khIvVq5mk15hhgiDYyVIhMn4rPlsUa37QqB7PQiomxMNZCy21dcnfr2926AVgMkjw FWS6HJzEhb5QqQ0F1ALQwsOm9Y6BDQ1XCoJ5H08at1fXpBCIRa2QAKAo4BUD3azuhI e9r1S4j9cQoTHBsohvHGmMKkYprM2Ttwuy18uLI3Cv3owuc/USJ4l7YxJzOTBBRBJj v0XfZepdLpzZCe+FLz8vK4bQEg9w5nIoUps0awJgMF3nWJ1h9tsGMpY6jTEdz/CJxA bFi5LBqpgp3AMcD0OT3FtrIjUT53CnonqunBdqCc+6XBCfQgFOYOJT80AvsfZOlH2v 92vZJk3V6Kf8g== Date: Tue, 21 Sep 2021 19:36:22 -0700 From: "Darrick J. Wong" To: Christoph Hellwig Cc: Jan Kara , Eric Sandeen , linux-xfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org, dan.j.williams@intel.com Subject: Re: [PATCH 3/3] ext2: remove dax EXPERIMENTAL warning Message-ID: <20210922023622.GC570615@magnolia> References: <1631726561-16358-1-git-send-email-sandeen@redhat.com> <1631726561-16358-4-git-send-email-sandeen@redhat.com> <20210917094707.GD6547@quack2.suse.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Fri, Sep 17, 2021 at 01:59:10PM +0100, Christoph Hellwig wrote: > On Fri, Sep 17, 2021 at 11:47:07AM +0200, Jan Kara wrote: > > On Wed 15-09-21 12:22:41, Eric Sandeen wrote: > > > As there seems to be no significant outstanding concern about > > > dax on ext2 at this point, remove the scary EXPERIMENTAL > > > warning when in use. > > > > > > Signed-off-by: Eric Sandeen > > > > Agreed. Do you want my ack or should I just merge this patch? > > Please do not merge it. The whole DAX path is still a mess and should > not be elevated to non-EXPERMINTAL state in this form. Hi Christoph, 'still a mess' isn't all that useful for figuring out what still needs to be done and splitting up the work. Do you have items beyond my own list below? - still arguing over what exactly FALLOC_FL_ZERO_REINIT_WHATEVER_PONIES should be doing - no reflink support, encompassing: - hwpoison from mmap regions really ought to tell the fs that bad stuff happened - mm rmap can't handle more than one owner --D