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=-5.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 E5A84C47095 for ; Mon, 5 Oct 2020 17:08:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 965A120796 for ; Mon, 5 Oct 2020 17:08:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="p2PeAqNW" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726935AbgJERIv (ORCPT ); Mon, 5 Oct 2020 13:08:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36020 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726057AbgJERIu (ORCPT ); Mon, 5 Oct 2020 13:08:50 -0400 Received: from merlin.infradead.org (merlin.infradead.org [IPv6:2001:8b0:10b:1231::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A2449C0613CE; Mon, 5 Oct 2020 10:08:50 -0700 (PDT) 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=d/0Ea5KFPE2u0kNUPyN+aGiClSRuX6fT8lqKJBQXZCE=; b=p2PeAqNW6S6eLKE7i0oTIzsMta pq82MLmio58yaa1yByP6DAQC9CXgSieVPm/QsqcpuxwCQfKtRXFSQHfGiTzYvmT3w3L+oFPoOuH+i fFCNrBC6+w4cL33oFMXAu4LcKGQBQ4yNmOiaHnWlrJbGlRKbc1SB4C6kWwPRGFLaTKTqwNonhuoBk QcbAS1boOeo+jdsBEpJoNR7cW1jUXfJuklD6nq59zfE2Wtj2Nwnt8VXVXusqwKaDOX1bweOne3QIu 5NzuU6HdtfsaY9YkH6WjKcdR3F4LF27HjgJyHUu+dqgg2uI9Fr96sQHbR68HwOXo4YAiSE7Ygb/wI 19y7/idw==; Received: from [2601:1c0:6280:3f0::2c9a] by merlin.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kPTyh-0003kO-Ng; Mon, 05 Oct 2020 17:08:48 +0000 Subject: Re: [RFC PATCH] overlayfs: add OVL_IOC_GETINFOFD ioctl that opens ovlinfofd To: Alexander Mikhalitsyn , miklos@szeredi.hu Cc: Amir Goldstein , Andrei Vagin , Pavel Tikhomirov , David Howells , linux-unionfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org References: <20201004192401.9738-1-alexander.mikhalitsyn@virtuozzo.com> <20201005170227.11340-1-alexander.mikhalitsyn@virtuozzo.com> From: Randy Dunlap Message-ID: <83d78791-b650-c8d5-e18a-327d065d53d7@infradead.org> Date: Mon, 5 Oct 2020 10:08:42 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 In-Reply-To: <20201005170227.11340-1-alexander.mikhalitsyn@virtuozzo.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-unionfs@vger.kernel.org On 10/5/20 10:02 AM, Alexander Mikhalitsyn wrote: > #define OVL_IOC_GETLWRFHNDLSNUM _IO('o', 1) > // DISCUSS: what if MAX_HANDLE_SZ will change? > #define OVL_IOC_GETLWRFHNDL _IOR('o', 2, struct ovl_mnt_opt_fh) > #define OVL_IOC_GETUPPRFHNDL _IOR('o', 3, struct ovl_mnt_opt_fh) > #define OVL_IOC_GETWRKFHNDL _IOR('o', 4, struct ovl_mnt_opt_fh) > +#define OVL_IOC_GETINFOFD _IO('o', 5) Hi, Quoting (repeating) from https://lore.kernel.org/lkml/9cd0e9d1-f124-3f2d-86e6-e6e96a1ccb1e@infradead.org/: This needs to have Documentation/userspace-api/ioctl/ioctl-number.rst updated also. ... Are you waiting until it's past RFC stage? thanks. -- ~Randy