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=-6.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 89F3DC433ED for ; Tue, 11 May 2021 12:31:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4FE3861919 for ; Tue, 11 May 2021 12:31:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231558AbhEKMcg (ORCPT ); Tue, 11 May 2021 08:32:36 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:59375 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231432AbhEKMcf (ORCPT ); Tue, 11 May 2021 08:32:35 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1620736289; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=BP9KHD+W1HIDDROuTRJrR9O7xFxTR83BEOhAgDnRXzk=; b=hFllDrwvGD0tDGF/VnKVs6tJVzN5xbQS7Bsd8GjInjlOOC4u19/W+FzOcakeKCyr1Uf0QL UTpvnFMtI9xOruC2DWxhlGHgWWU/qi50hOGmS/5aWiV/aSbW0+xeWOgz89NBscUWVR47s6 Ws9I6zexvbh4DbgJUdcA5i9ECfE7eGQ= Received: from mail-qk1-f197.google.com (mail-qk1-f197.google.com [209.85.222.197]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-496-oA5vYqUdOvmyAakwfRS_lg-1; Tue, 11 May 2021 08:31:25 -0400 X-MC-Unique: oA5vYqUdOvmyAakwfRS_lg-1 Received: by mail-qk1-f197.google.com with SMTP id u126-20020a3792840000b02902e769005fe1so14259413qkd.2 for ; Tue, 11 May 2021 05:31:25 -0700 (PDT) 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=BP9KHD+W1HIDDROuTRJrR9O7xFxTR83BEOhAgDnRXzk=; b=kIdZ95RyQ2PHglvvIrDKqJGdXmbAjvUMVj0gNnAxHCpcvLTUAVPq3zOn3HwuySsWCW 3Dk4bEli/MTNRSxPEd/GM1Fd1b2ICbI8JH7STBPrILCc22FWER6ry2R0+RkZkNmwwhDU pLcmCnBbTNY9oGV1V+rzjAP60K3sCK0M0LJx1llltvROkChhfd9n8xBeJsh1jSjSu2hj wNDH/E8xbyg0wA5SOoU/wF9L9Tesgi8FWTcqVZKai7uwn4ovyZcFDof97lPNkT1DLzAo Eh8pnHkSbeQYrKoh/dktcBVP6hi19JouXP2BLC0jtwzfcdamkqswFCYtMAx8JiIzDSsr 2/AA== X-Gm-Message-State: AOAM530/+lZJ3RnuGECaT8Kp9rO7ow4X3wZbnsr5iKszupNZoi4JW8JT BF6BfvOHKUfAgkX1NA1fTkrWPNCvwCikxsdtO1smmfB2a2LQyffimy0trlWyq3HO9nE8+kJ6klr EjuK/D2n7fW1/DIw+NfVqFt/bIT9S X-Received: by 2002:ac8:7f13:: with SMTP id f19mr1961249qtk.237.1620736285208; Tue, 11 May 2021 05:31:25 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxSg7riSENq1MAenapEWP79PIP+9MrQL8SnAYKC+cTw4sAkxGqMbcnp6TuzMOo5awgtHC7Y4XKudYMK9nsdgy0= X-Received: by 2002:ac8:7f13:: with SMTP id f19mr1961226qtk.237.1620736285046; Tue, 11 May 2021 05:31:25 -0700 (PDT) MIME-Version: 1.0 References: <20210510155539.998747-1-groug@kaod.org> <20210510155539.998747-4-groug@kaod.org> In-Reply-To: <20210510155539.998747-4-groug@kaod.org> From: Miklos Szeredi Date: Tue, 11 May 2021 14:31:14 +0200 Message-ID: Subject: Re: [Virtio-fs] [for-6.1 v3 3/3] virtiofsd: Add support for FUSE_SYNCFS request To: Greg Kurz Cc: QEMU Developers , kvm@vger.kernel.org, "Michael S. Tsirkin" , Cornelia Huck , virtio-fs-list , Miklos Szeredi , Paolo Bonzini , Vivek Goyal Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Mon, May 10, 2021 at 5:55 PM Greg Kurz wrote: > > Honor the expected behavior of syncfs() to synchronously flush all data > and metadata on linux systems. Simply loop on all known submounts and > call syncfs() on them. Why not pass the submount's root to the server, so it can do just one targeted syncfs? E.g. somehting like this in fuse_sync_fs(): args.nodeid = get_node_id(sb->s_root->d_inode); Thanks, Miklos