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=-2.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 9EACFC742A7 for ; Sat, 13 Jul 2019 15:08:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6ABDF20838 for ; Sat, 13 Jul 2019 15:08:36 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="F1sgu1/v" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727704AbfGMPIf (ORCPT ); Sat, 13 Jul 2019 11:08:35 -0400 Received: from mail-lf1-f41.google.com ([209.85.167.41]:39382 "EHLO mail-lf1-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727626AbfGMPIf (ORCPT ); Sat, 13 Jul 2019 11:08:35 -0400 Received: by mail-lf1-f41.google.com with SMTP id v85so8286227lfa.6 for ; Sat, 13 Jul 2019 08:08:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:references:from:openpgp:autocrypt:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=EYCEUoXhUG9ZsJ5HyPJ68lHrX+29DI3DrGgXjF4mT1Y=; b=F1sgu1/v11Iux+18EeYM1skFBuASng7MwETJVicM9uuH9L0KPC+TFG6fzAsR7aGAQR Kr8NACaFelTKAE4qDz8Veqi/xAOeLlnvRkVRHGe9xQh93oW/kP4UIdlH1yuNxkOsBx5c Dp02JTQztJe5Hb684AgXVra2HhUVaB1iIfvl0ngF4ImnGrr+k32CU0J6ecddLCApJRom xc1KvG9hOcUfJU0XY6unOgqvhHxsBTjWNFh8JP7i+R2rvsEysu7/r7NJzPYac6XkFnxw kPqveb/EgnUL8vAZH4RQx4tdocZhixiyBPm4SEZr/Gm3dmfzflBnQNUGp1YzhjgEmoSZ w8fA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:references:from:openpgp:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=EYCEUoXhUG9ZsJ5HyPJ68lHrX+29DI3DrGgXjF4mT1Y=; b=V+B0uD6/RngT8nPQxTFVtdVh4lSOALcx3lE0d0so1aRaUSewi/PaObq1vKXC5GNa6P uMVMzE3uaBeqPBTeEoQXk73D5lkFfM88HE1dwPCM5lupn8YsnKHYzwTtDgSqEw65yicZ T1S3XVE73EG7H9mubyvqiZpMvFm0ThCKGc4NK3OyGxLwWkC4Pepg1VzIWw60/baObkUS AiXOfRRCOAlElVwQKqezJGYtdZFNhYhWIifEiFxdryokN1ue5/TiQ3MlZfN9KdaL486b gD5suBpYHYovG4wGU2MzXdiw3aI2yepITXXT08tqjG14yOErD7oP00McpXq63VveMHLP 4wCw== X-Gm-Message-State: APjAAAV22Lj8UaDerz83DrcxdNRnAiRDxKXu6qixXrlvPbAKK1UUk8/d pYDz2+D8vEQKZsWzypd16L4f1Pxg X-Google-Smtp-Source: APXvYqzPKwdYM5weg7FqCx634WeKTyhTGJZfdNmzQRTX0nB7ALmVY8EVXWVqkW+iixvW2Qo0tdq5EA== X-Received: by 2002:ac2:4ace:: with SMTP id m14mr6644625lfp.99.1563030512566; Sat, 13 Jul 2019 08:08:32 -0700 (PDT) Received: from [192.168.1.6] (109-252-55-203.nat.spd-mgts.ru. [109.252.55.203]) by smtp.gmail.com with ESMTPSA id h22sm2034767ljj.105.2019.07.13.08.08.30 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 13 Jul 2019 08:08:31 -0700 (PDT) Subject: Re: find subvolume directories To: linux-btrfs@vger.kernel.org References: <20190712231705.GA16856@tik.uni-stuttgart.de> <75e5bd20-fafa-07fd-afd9-159e9aacb7db@gmail.com> <20190713082759.GB16856@tik.uni-stuttgart.de> <62366a29-a8ea-a889-f857-0305eba99051@gmail.com> <20190713112832.GA30696@tik.uni-stuttgart.de> From: Andrei Borzenkov Openpgp: preference=signencrypt Autocrypt: addr=arvidjaar@gmail.com; prefer-encrypt=mutual; keydata= xsDiBDxiRwwRBAC3CN9wdwpVEqUGmSoqF8tWVIT4P/bLCSZLkinSZ2drsblKpdG7x+guxwts +LgI8qjf/q5Lah1TwOqzDvjHYJ1wbBauxZ03nDzSLUhD4Ms1IsqlIwyTLumQs4vcQdvLxjFs G70aDglgUSBogtaIEsiYZXl4X0j3L9fVstuz4/wXtwCg1cN/yv/eBC0tkcM1nsJXQrC5Ay8D /1aA5qPticLBpmEBxqkf0EMHuzyrFlqVw1tUjZ+Ep2LMlem8malPvfdZKEZ71W1a/XbRn8FE SOp0tUa5GwdoDXgEp1CJUn+WLurR0KPDf01E4j/PHHAoABgrqcOTcIVoNpv2gNiBySVsNGzF XTeY/Yd6vQclkqjBYONGN3r9R8bWA/0Y1j4XK61qjowRk3Iy8sBggM3PmmNRUJYgroerpcAr 2byz6wTsb3U7OzUZ1Llgisk5Qum0RN77m3I37FXlIhCmSEY7KZVzGNW3blugLHcfw/HuCB7R 1w5qiLWKK6eCQHL+BZwiU8hX3dtTq9d7WhRW5nsVPEaPqudQfMSi/Ux1kc0mQW5kcmVpIEJv cnplbmtvdiA8YXJ2aWRqYWFyQGdtYWlsLmNvbT7CZQQTEQIAJQIbAwYLCQgHAwIGFQgCCQoL BBYCAwECHgECF4AFAliWAiQCGQEACgkQR6LMutpd94wFGwCeNuQnMDxve/Fo3EvYIkAOn+zE 21cAnRCQTXd1hTgcRHfpArEd/Rcb5+SczsBNBDxiRyQQBACQtME33UHfFOCApLki4kLFrIw1 5A5asua10jm5It+hxzI9jDR9/bNEKDTKSciHnM7aRUggLwTt+6CXkMy8an+tVqGL/MvDc4/R KKlZxj39xP7wVXdt8y1ciY4ZqqZf3tmmSN9DlLcZJIOT82DaJZuvr7UJ7rLzBFbAUh4yRKaN nwADBwQAjNvMr/KBcGsV/UvxZSm/mdpvUPtcw9qmbxCrqFQoB6TmoZ7F6wp/rL3TkQ5UElPR gsG12+Dk9GgRhnnxTHCFgN1qTiZNX4YIFpNrd0au3W/Xko79L0c4/49ten5OrFI/psx53fhY vLYfkJnc62h8hiNeM6kqYa/x0BEddu92ZG7CRgQYEQIABgUCPGJHJAAKCRBHosy62l33jMhd AJ48P7WDvKLQQ5MKnn2D/TI337uA/gCgn5mnvm4SBctbhaSBgckRmgSxfwQ= Message-ID: <5c596c6b-94cc-998b-6992-adcd15128178@gmail.com> Date: Sat, 13 Jul 2019 18:08:29 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <20190713112832.GA30696@tik.uni-stuttgart.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org 13.07.2019 14:28, Ulli Horlacher пишет: > On Sat 2019-07-13 (14:10), Andrei Borzenkov wrote: > >>>> It is entirely up to the user who creates it how subvolumes are named and >>>> structured. You can well have /foo, /bar, /baz mounted as /, /var and >>>> /home. >>> >>> And how can I find them in my mounted filesystem? >>> THIS is my problem. >> >> I am not sure what problem you are trying to solve > > I want a list of all subvolumes directories (which I can access with UNIX > tools like cd and ls or btrfs subvolume ...). > > >> but you can use list of current mounts to build path to each subvolume >> (as long as it is either below one of mounted subvolumes or explicitly >> mounted). > > Is there an easy/standard way to do this? > > Not that I'm aware of.