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=-3.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 7ED36C07E99 for ; Fri, 9 Jul 2021 16:06:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 62691613B7 for ; Fri, 9 Jul 2021 16:06:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229542AbhGIQJI (ORCPT ); Fri, 9 Jul 2021 12:09:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54240 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229491AbhGIQJI (ORCPT ); Fri, 9 Jul 2021 12:09:08 -0400 Received: from mail-yb1-xb29.google.com (mail-yb1-xb29.google.com [IPv6:2607:f8b0:4864:20::b29]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DD784C0613DD for ; Fri, 9 Jul 2021 09:06:24 -0700 (PDT) Received: by mail-yb1-xb29.google.com with SMTP id x192so15446667ybe.6 for ; Fri, 09 Jul 2021 09:06:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=vuzbK3Mkq8rG/4RTPs/yrULKbinV4x88PtppZndM2SQ=; b=Wj+FPJEMfWGLo3fnF5rk9bt8IaDqM04KJbvHdOTkgEh0RhQx2HMKMY4BqfsJ3vn70b /7zD5X5BE3VDsySWyBd6A5FHv+LlGqb40Eb1bzPfnFjBuqb7pi1YCnqoMbdY9PDRETP/ XOuoz6YBcS1GpPiP91vNjVRwUkLKGuraXi3Cdh/OOb5IdhhqCIWCeSP0j1KWPjoEkaBH IpvL45pGCTfzM2o6OLNLzKl8RRM2dQLRHiAvVmvkGWZGmXVD+hfDza++huaz5cbDnUOc rpD2uzTPumColO3FqD8xYycAzVkSG+zoh/O69uc2pMs5N3E2c1p1NgH3ZwabLrXFKwoU PvTg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=vuzbK3Mkq8rG/4RTPs/yrULKbinV4x88PtppZndM2SQ=; b=YqZ9zdYvnojAydAD/Ooi2ydL8M0WzAI9sni1uC/Gp5AB2DE9hQKytMl8ereG1PVxzV P3Fh56ijLw3nvGBv/1qPTSjca9XCHZaElXkH60dIKRSXS6tpPrd7kL/2Sv8a8+S7Me0H V9cczDKKNeSIX22DIW8l3KiH8D/G2n0QTgBNeTJmIhT1tQDOTS1kuuggkZaXJ8G4/tHp H3qZCFzZ06XH6qOiKqzg+znXXNbaEKbMst2LnGwjosYJpzVjezSfE1VAhH/lF3SM05k2 a35SRluKTc8tYlyYPC2DR/oKeLRVRa83q1tfZuH4Wg8/bQDOhnyqZcYmSRES5umxF5px 4lyQ== X-Gm-Message-State: AOAM532whAmk67NYUvcgzy6MvVe+bdhPlTPO7T+9m2DlRngX3+FYF1NM MPoBHuNI/ITWy0APQ8wsLOSitRMixVaHL1Z20Y5sZ7A7 X-Google-Smtp-Source: ABdhPJzHqP3vSRspkY3IiBBvPTRng0I4xU9CIUuGJNRjmeGquZF/XbOHqc4QTEfZLwyiv0Y8Mjs+8HocL1vfrGrhDKE= X-Received: by 2002:a25:c050:: with SMTP id c77mr49555391ybf.223.1625846784046; Fri, 09 Jul 2021 09:06:24 -0700 (PDT) MIME-Version: 1.0 References: <20210310074620.GA2158@tik.uni-stuttgart.de> <20210311074636.GA28705@tik.uni-stuttgart.de> <20210708221731.GB8249@tik.uni-stuttgart.de> In-Reply-To: <20210708221731.GB8249@tik.uni-stuttgart.de> From: Lord Vader Date: Fri, 9 Jul 2021 19:06:07 +0300 Message-ID: Subject: Re: cannot use btrfs for nfs server To: linux-btrfs@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org On Fri, 9 Jul 2021 at 01:18, Ulli Horlacher wrote: > I have waited some time and some Ubuntu updates, but the bug is still there: > > > When I try to access a btrfs filesystem via nfs, I get the error: > > > root@tsmsrvi:~# mount tsmsrvj:/data/fex /nfs/tsmsrvj/fex > > > root@tsmsrvi:~# time find /nfs/tsmsrvj/fex | wc -l > > > find: File system loop detected; '/nfs/tsmsrvj/fex/spool' is part of the same file system loop as '/nfs/tsmsrvj/fex'. Can you try exporting NFS share with 'crossmnt' option?