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=-2.8 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 16A9EC433B4 for ; Tue, 18 May 2021 17:31:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E957B6113C for ; Tue, 18 May 2021 17:31:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346293AbhERRco (ORCPT ); Tue, 18 May 2021 13:32:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40316 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1351129AbhERRco (ORCPT ); Tue, 18 May 2021 13:32:44 -0400 Received: from mail-ed1-x535.google.com (mail-ed1-x535.google.com [IPv6:2a00:1450:4864:20::535]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AE2C8C061573 for ; Tue, 18 May 2021 10:31:24 -0700 (PDT) Received: by mail-ed1-x535.google.com with SMTP id o5so3206936edc.5 for ; Tue, 18 May 2021 10:31:24 -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 :cc; bh=zprYpp0afBYFsxCS3I6Sv0904OugRDfkwMEN7L3D4/w=; b=cr0vfXsaGySVIPAaLzXAsSOeRtUq3Cu4cFjYhvxj2qV2Gb3FkTOjRxQ/Pq5pH6vwKc nqKy9fOYcQplFZh6YBzydpeN+sf6a0NJ+CjcVWXRWBgO5dV3e7uYhG7wRDqfSEIW9qC3 /ZPZ/GWKfaOOYKjz+BeVY9WUo4TgFujcF346tNejFYIXKtUbwjqkWmN98BUwLaIHCrpy /NgX0BO2jdxzERZ0iGfCJPKRspRM2TC65e/VAF8ryZ7b+cYgpp6sAhyUtdDonlFemYo0 Dj0PLaX7clbvQP3LV8+aYFaCE5Cx0HRVBCAO2TqcGbOkCGKDa9MeDNI6BZvCPBMsBNGy Ioow== 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:cc; bh=zprYpp0afBYFsxCS3I6Sv0904OugRDfkwMEN7L3D4/w=; b=I3fk+rRzF0p/3kSCmjtdx3vv16uStmBNYaD9fru+D6TDTWZbWsuvVTVJJkh5BHmFfG KuuZweD1I8ci+sT/WLRK4k6+b+OOstmce1jtfsBD9IQt+xeoH2Uqh7xW7R4m9Z8bbtqX UbMrrtsCXVVgzZbBQJI0EeJ13ECohWFeHHicAEUn+Q8KS3b1ZcnhmGQsjQAgvGxbfC+d ygHwEONC8rlyI4vn3TF1eL0Mzp7CEXOk4LhmLueHqkx4V8DJViDldyXOY+pFGQFdb5XG dzYXs1qH8u+rjjTDQaRTaEV7T1rPpW8wvAzUAdfXPl6vIl+99PvhlK+kTFHwaWuP6j33 qRfg== X-Gm-Message-State: AOAM5305xPcvP8mBsFXloSxEPTTEVGgFUisJUOPDeVOS+bhvsrEZEybv UbGD6hwXHVI1sbd8WyIevuS/sMBjTvBAU8TMk4Z+9Inpfyo= X-Google-Smtp-Source: ABdhPJxJO7kruLpqLnmTlI8/3D1Da7Pi0PiGTjWIscXTomYsXN+fipmfTCVIHKE7vpYtn7YIVLm5PqLzNljzi1gX0Zc= X-Received: by 2002:a05:6402:3546:: with SMTP id f6mr8391486edd.267.1621359083420; Tue, 18 May 2021 10:31:23 -0700 (PDT) MIME-Version: 1.0 References: <20210517224330.9201-1-dai.ngo@oracle.com> <20210517224330.9201-2-dai.ngo@oracle.com> <20210518172334.GC25205@fieldses.org> In-Reply-To: <20210518172334.GC25205@fieldses.org> From: Olga Kornievskaia Date: Tue, 18 May 2021 13:31:11 -0400 Message-ID: Subject: Re: [PATCH v5 1/2] NFSD: delay unmount source's export after inter-server copy completed. To: "J. Bruce Fields" Cc: Dai Ngo , linux-nfs , Trond Myklebust , Chuck Lever Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org On Tue, May 18, 2021 at 1:23 PM J. Bruce Fields wrote: > > On Tue, May 18, 2021 at 01:16:56PM -0400, Olga Kornievskaia wrote: > > General question to maybe Bruce: can nfsd_net go away while a compound > > is using it ? > > No. Any server threads for that container should be shut down before > nfsd_net goes away. Right, sorry but the async copy is a task that works after the compound of copy. You say "threads .. should be shut down", who makes sure of that (meaning should async copy code make sure of it)? > > --b.