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=-7.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 98F6AC4743C for ; Wed, 23 Jun 2021 15:35:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 76F1B611AC for ; Wed, 23 Jun 2021 15:35:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231389AbhFWPiH (ORCPT ); Wed, 23 Jun 2021 11:38:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46608 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231409AbhFWPiH (ORCPT ); Wed, 23 Jun 2021 11:38:07 -0400 Received: from fieldses.org (fieldses.org [IPv6:2600:3c00:e000:2f7::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9D3B0C061574 for ; Wed, 23 Jun 2021 08:35:49 -0700 (PDT) Received: by fieldses.org (Postfix, from userid 2815) id 20F216208; Wed, 23 Jun 2021 11:35:48 -0400 (EDT) DKIM-Filter: OpenDKIM Filter v2.11.0 fieldses.org 20F216208 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=fieldses.org; s=default; t=1624462548; bh=C0ldnnfItrksyzSWEdygG6r+faUPIuD0G9fbM4OzvnI=; h=Date:To:Cc:Subject:References:In-Reply-To:From:From; b=zS4oqVYhQWRd1DoVFEAW7/+2NIAUk1LUhIz768XezL0j6sWa5rZhevfpla7NhyW3X MjGWGYVX8xQOjl4ORp75EMCtIp5hfDpx7EBR1opzMFA6wiU3UL3Q5e9oiT/OOv0vtk AN5kUTMumz4Y7ydi1dhQpTZPtgtqk9AskcLuPQD0= Date: Wed, 23 Jun 2021 11:35:48 -0400 To: NeilBrown Cc: Wang Yugui , linux-nfs@vger.kernel.org Subject: Re: any idea about auto export multiple btrfs snapshots? Message-ID: <20210623153548.GF20232@fieldses.org> References: <162432531379.17441.15110145423567943074@noble.neil.brown.name> <20210622112253.DAEE.409509F4@e16-tech.com> <20210622151407.C002.409509F4@e16-tech.com> <162440994038.28671.7338874000115610814@noble.neil.brown.name> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <162440994038.28671.7338874000115610814@noble.neil.brown.name> User-Agent: Mutt/1.5.21 (2010-09-15) From: bfields@fieldses.org (J. Bruce Fields) Precedence: bulk List-ID: X-Mailing-List: linux-nfs@vger.kernel.org Is there any hope of solving this problem within btrfs? It doesn't seem like it should have been that difficult for it to give subvolumes separate superblocks and vfsmounts. But this has come up before, and I think the answer may have been that it's just too late to fix. --b.