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 B5373C46466 for ; Sun, 4 Oct 2020 19:48:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 715102067D for ; Sun, 4 Oct 2020 19:48:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="UyxMmPPT" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726404AbgJDTsY (ORCPT ); Sun, 4 Oct 2020 15:48:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36386 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726085AbgJDTsY (ORCPT ); Sun, 4 Oct 2020 15:48:24 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2E8A2C0613CE; Sun, 4 Oct 2020 12:48:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.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=OMbsxgtTm3OucAzsWwXDCdUo0myWgb96GxBl2Cc9TAU=; b=UyxMmPPTT6LXrwdFWQrfqymKBh g/MqrIjBNzRP6eeZb4uD2UWPzo3JQR/zsrWaH+W4O0xm0qarwq/QZAVAMUapbkem6gHIUjPp+a6h6 ZnUBJjhfRDUyexWfWPiLAUcVbM/gIyhMTCl+KDkWCsSkIJ21JlOQzYr6qE+1Dr5kqB3BTlWddII4y z7+An7KgC99ayO0xC5OuS6OYZpCziLg9Ro5AGGbYkYHbz8nCqgOg04XdAXAlMhpz01lxVtu/Vhibe l4UOgFTXXUPn7G9KMDp8UEP9K9nS34R4QPzyj7vTHZKjtHdaGrWG1jJFcBS5E4Tga9EsYscXucCoA YY2RYzZA==; Received: from [2601:1c0:6280:3f0::2c9a] by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1kP9zY-0000zN-LN; Sun, 04 Oct 2020 19:48:21 +0000 Subject: Re: [RFC PATCH 1/1] overlayfs: add ioctls that allows to get fhandle for layers dentries 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> <20201004192401.9738-2-alexander.mikhalitsyn@virtuozzo.com> From: Randy Dunlap Message-ID: <9cd0e9d1-f124-3f2d-86e6-e6e96a1ccb1e@infradead.org> Date: Sun, 4 Oct 2020 12:48:17 -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: <20201004192401.9738-2-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-fsdevel@vger.kernel.org On 10/4/20 12:24 PM, 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) Hi, This needs to have Documentation/userspace-api/ioctl/ioctl-number.rst updated also. thanks. -- ~Randy