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=-3.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 F1AA9C433DF for ; Wed, 1 Jul 2020 08:32:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C0C982074D for ; Wed, 1 Jul 2020 08:32:39 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="qdapIMox" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729077AbgGAIci (ORCPT ); Wed, 1 Jul 2020 04:32:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51586 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729047AbgGAIc3 (ORCPT ); Wed, 1 Jul 2020 04:32:29 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 71B13C03E979; Wed, 1 Jul 2020 01:32:29 -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=vXiGSDx0OBTNUoDDVLCHJpE3R5npVOLQYlpMjYD89gk=; b=qdapIMox4Ek2eTE/n0txbbOjGF oJGKiOEgDQ9amafICkn7wMpGQazpixnCsCP9vzB1sWllWfYlQ8DIw/BDrv8it538xchboPP1a3fnT /r7lFtLJtFEe6qnkJAw62zmPT8rzrymyJ0nyAnw3cv66pExz0H6f2mtFbMKtbsSNR4N0LR36rhtwO F0i0ZUtDzzu+A9TrM/ZBHha+soKQAt4lO4WQQDJtMr2tjHFNu5+PkR/hO/DfBja+fSrsZGFpUIUZL IBFfzOqiowRXWGc4J2ORzoUaahAdW3PFVchNzsU3fVXrakWnQC9lWtXr6awjsuselgLhI1YRCo/YC rWe3CgMQ==; Received: from hch by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1jqYAK-0006UI-BJ; Wed, 01 Jul 2020 08:32:24 +0000 Date: Wed, 1 Jul 2020 09:32:24 +0100 From: Christoph Hellwig To: Eric Sandeen Cc: Christoph Hellwig , Eric Sandeen , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Jonathan Corbet , cgroups@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-xfs Subject: Re: [PATCH] doc: cgroup: add f2fs and xfs to supported list for writeback Message-ID: <20200701083224.GI20101@infradead.org> References: <20200630054217.GA27221@infradead.org> <59265a9d-ee0f-4432-3f86-00d076aeb8e8@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <59265a9d-ee0f-4432-3f86-00d076aeb8e8@sandeen.net> X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 30, 2020 at 08:59:34AM -0500, Eric Sandeen wrote: > On 6/30/20 12:42 AM, Christoph Hellwig wrote: > > On Mon, Jun 29, 2020 at 02:08:09PM -0500, Eric Sandeen wrote: > >> f2fs and xfs have both added support for cgroup writeback: > >> > >> 578c647 f2fs: implement cgroup writeback support > >> adfb5fb xfs: implement cgroup aware writeback > >> > >> so add them to the supported list in the docs. > >> > >> Signed-off-by: Eric Sandeen > >> --- > >> > >> TBH I wonder about the wisdom of having this detail in > >> the doc, as it apparently gets missed quite often ... > > > > I'd rather remove the list of file systems. It has no chance of > > staying uptodate. > > Is there any way for a user to know whether a filesytem does or doesn't > support it, in practice? git-grep SB_I_CGROUPWB