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=-9.2 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 2BE8FC433DF for ; Sun, 2 Aug 2020 03:05:54 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id E01E12067D for ; Sun, 2 Aug 2020 03:05:53 +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="VRMDBAM8" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E01E12067D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 4E39C8D00AC; Sat, 1 Aug 2020 23:05:53 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 46DB28D00AA; Sat, 1 Aug 2020 23:05:53 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 334728D00AC; Sat, 1 Aug 2020 23:05:53 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0056.hostedemail.com [216.40.44.56]) by kanga.kvack.org (Postfix) with ESMTP id 1B1D78D00AA for ; Sat, 1 Aug 2020 23:05:53 -0400 (EDT) Received: from smtpin02.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id A6A42180AD80F for ; Sun, 2 Aug 2020 03:05:52 +0000 (UTC) X-FDA: 77104138944.02.part85_1a1824326f91 Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin02.hostedemail.com (Postfix) with ESMTP id 7CF5710097AA7 for ; Sun, 2 Aug 2020 03:05:52 +0000 (UTC) X-HE-Tag: part85_1a1824326f91 X-Filterd-Recvd-Size: 4023 Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by imf36.hostedemail.com (Postfix) with ESMTP for ; Sun, 2 Aug 2020 03:05:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=merlin.20170209; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To:Subject:Sender :Reply-To:Content-ID:Content-Description; bh=C4AUGMo+yuGybGuPXaC+2uX4qyRucKB6ZNOOmOkSD7E=; b=VRMDBAM8eiF63PV0r/ghc0PsFd kToIrHCsMaLbDIek4RS2VMdEYR9s9dJKNi4IiVZDdFY9BUZswQg8Kh9fD77vIOOOgSP75CJZR6tEb ddfSSx1e8+ja8zK406tiGQem3almmIQSkZ5PR+HQEgq+9JikToOeYf8YhcwhQfg3PKzS9vLLIljiM jYCRmU6prmsOaOWUKBQCdWCc4qN4yWyi2IPLj2+oMdV6B0uR7WJNusigjkCGMUn5QMr9hH9n8zog4 xS/twN4+ewlnCdh06/WFQ6PNz6KyTvFhV/hy1TjBTuVjYWTVA6Dm7gDmoe8JeipieZT4zkxg+jZ5P dr4+XU+Q==; Received: from [2601:1c0:6280:3f0::19c2] by merlin.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1k24Jm-0004Sk-6Q; Sun, 02 Aug 2020 03:05:46 +0000 Subject: Re: [PATCH mmotm] tmpfs: support 64-bit inums per-sb fix To: Hugh Dickins , Andrew Morton , Chris Down Cc: Al Viro , Matthew Wilcox , Amir Goldstein , Jeff Layton , Johannes Weiner , Tejun Heo , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-team@fb.com References: <8b23758d0c66b5e2263e08baf9c4b6a7565cbd8f.1594661218.git.chris@chrisdown.name> From: Randy Dunlap Message-ID: <4d2af3f7-eb4f-6313-1719-b1c532c9a96d@infradead.org> Date: Sat, 1 Aug 2020 20:05:39 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 7CF5710097AA7 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam05 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 8/1/20 7:37 PM, Hugh Dickins wrote: > Expanded Chris's Documentation and Kconfig help on tmpfs inode64. > TMPFS_INODE64 still there, still default N, but writing down its very > limited limitation does make me wonder again if we want the option. > > Signed-off-by: Hugh Dickins > --- > Andrew, please fold into tmpfs-support-64-bit-inums-per-sb.patch later. > > Randy, you're very active on Documentation and linux-next: may I ask you > please to try applying this patch to latest, and see if tmpfs.rst comes > out looking right to you? I'm an old dog still stuck in the days of Hi Hugh, It looks fine. > tmpfs.txt, hoping to avoid new tricks for a while. Thanks! (Bonus > points if you can explain what the "::" on line 122 is about. I started > out reading Documentation/doc-guide/sphinx.rst, but... got diverted. > Perhaps I should ask Mauro or Jon, but turning for help first to you.) That's the correct file. Around line 216, it says: * For inserting fixed width text blocks (for code examples, use case examples, etc.), use ``::`` for anything that doesn't really benefit from syntax highlighting, especially short snippets. Use ``.. code-block:: `` for longer code blocks that benefit from highlighting. For a short snippet of code embedded in the text, use \`\`. so it's just for a (short) code example block, fixed font... > > Documentation/filesystems/tmpfs.rst | 13 ++++++++++--- > fs/Kconfig | 16 +++++++++++----- > 2 files changed, 21 insertions(+), 8 deletions(-) > > --- mmotm/Documentation/filesystems/tmpfs.rst 2020-07-27 18:54:51.116524795 -0700 > +++ linux/Documentation/filesystems/tmpfs.rst 2020-08-01 18:37:07.719713987 -0700 cheers. -- ~Randy