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=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,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 C5D63C433B4 for ; Fri, 9 Apr 2021 13:50:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A57D261056 for ; Fri, 9 Apr 2021 13:50:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233730AbhDINvB (ORCPT ); Fri, 9 Apr 2021 09:51:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48220 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231946AbhDINvA (ORCPT ); Fri, 9 Apr 2021 09:51:00 -0400 Received: from mail-vs1-xe30.google.com (mail-vs1-xe30.google.com [IPv6:2607:f8b0:4864:20::e30]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D8A29C061761 for ; Fri, 9 Apr 2021 06:50:46 -0700 (PDT) Received: by mail-vs1-xe30.google.com with SMTP id 66so2944784vsk.9 for ; Fri, 09 Apr 2021 06:50:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=szeredi.hu; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=N8RoAP1EiR/LcGsXbxnBBCjPu3U5eRJLQXStV3VL6kw=; b=panrMHI79cDH7dTlwdn1I3IGqUb9am4TAQaZFV2Q0SFp7/bM44yhhHQikyWizy4e3g gnsRXzw9YnJSeQrRTFKzSQLvibLJR+aDeY4xdbNhgur3ipBxNqb/bmDe5j595DUGRXs3 oN1fMt8Wvylbxj+Pggxqa2ifLXkeSmP4SdY3s= 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=N8RoAP1EiR/LcGsXbxnBBCjPu3U5eRJLQXStV3VL6kw=; b=FAbozan79krE8BUbVZZkCRPGwDcGzGre7l3cl4gPtzWL0rNWnW2i8O8/80u+JtV973 8x3QVeAqWl6XHtRb4h+NPgosLIM96/Sw9hp/tTRFuU66pzcylRgLKAh5lLLAqh6tM9VS PnbBHTVH6uLudQL+viBcgaTkzFXNYFEzbtL9jCR3WCi9mhrPZFRBDScV7E8XEfNg/jaA wn7f5ff2daroSb6Ncj7FQcoXvkQliVosJKHRAb2RXsEyGC716blSER1VqR2BTf2/gipS NeGDcgMixy+f1lYSWJ3VTmcVaTMtfR+CFJ0ZP/1FRkRARubqlbDtNGfWnTBVIjkqs7ct 1iLQ== X-Gm-Message-State: AOAM532ADHad26y2RYwur9yHXQ/vFFrsg6BpSVXCribxe96xv9yaF5od h9lvkIYVzu2GgU5FfrEncdOST0R7laqW1lelrU5g8A== X-Google-Smtp-Source: ABdhPJwI4caeqnFFIu4i21Ymw4kHKa1nHUINrWzbVZD02yAE8tX+rdFIAOGmqoLfUUGSnEdfy4+9sdAFwYfcDywJoek= X-Received: by 2002:a67:f487:: with SMTP id o7mr11201561vsn.7.1617976246033; Fri, 09 Apr 2021 06:50:46 -0700 (PDT) MIME-Version: 1.0 References: <20201113065555.147276-1-cgxu519@mykernel.net> <20201113065555.147276-8-cgxu519@mykernel.net> In-Reply-To: <20201113065555.147276-8-cgxu519@mykernel.net> From: Miklos Szeredi Date: Fri, 9 Apr 2021 15:50:35 +0200 Message-ID: Subject: Re: [RFC PATCH v4 7/9] ovl: cache dirty overlayfs' inode To: Chengguang Xu Cc: Jan Kara , Amir Goldstein , overlayfs , linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-unionfs@vger.kernel.org On Fri, Nov 13, 2020 at 7:57 AM Chengguang Xu wrote: > > Now drop overlayfs' inode will sync dirty data, > so we change to only drop clean inode. I don't understand what happens here. Please add more explanation. Thanks, Miklos