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=-5.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no 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 D59A3C433EF for ; Wed, 22 Sep 2021 05:26:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BD9D96112F for ; Wed, 22 Sep 2021 05:26:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232186AbhIVF16 (ORCPT ); Wed, 22 Sep 2021 01:27:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43308 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231896AbhIVF14 (ORCPT ); Wed, 22 Sep 2021 01:27:56 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C8FBAC061574; Tue, 21 Sep 2021 22:26:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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=E4QmGfF8PZSooK1M54CX3ENwACNcGJeNerat+O5YjO4=; b=QpyRbwQS1oTQwsC5euvirJgCBw keBMcROQSMtHTMrynH3d96bmqnrLfigJdMdXxUpe71Zwx7WQHxnmyS4XzNjP6SmmfOsKhbtFLeWUj +tdgixCGUHoFv74yqAfbHUHZghnl7lIlu2cXocAQ40qp5NnWQE7AigssJdJAtnJPTyRdwZaCh00/+ JwqOmYYQWN+dlQhj4hXhu43qSg9gjSvKRP4pCc/8UgWuWLgcF6Mvnf3iesHrMggAX70H5SvZo4u3P yP1AQazdOMXTIw18zkB3k/E+vJen7brfoTCEE52EnwC+X7CGuYbz/qy0GHcizuSzgKO172K1FbpRz 2PkkYvGw==; Received: from hch by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1mSukx-004TQ5-6I; Wed, 22 Sep 2021 05:25:27 +0000 Date: Wed, 22 Sep 2021 06:25:19 +0100 From: Christoph Hellwig To: "Darrick J. Wong" Cc: Christoph Hellwig , 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: References: <1631726561-16358-1-git-send-email-sandeen@redhat.com> <1631726561-16358-4-git-send-email-sandeen@redhat.com> <20210917094707.GD6547@quack2.suse.cz> <20210922023622.GC570615@magnolia> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210922023622.GC570615@magnolia> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Tue, Sep 21, 2021 at 07:36:22PM -0700, Darrick J. Wong wrote: > '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 My main really big item is that we're still mounting through a fake block device, suporting partitions and all that crap. We need to sort out the whole story of how pmem/nvdimm is actually treated, because what we have right now is not sustainable at all.