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 7198FC43463 for ; Fri, 18 Sep 2020 08:40:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C1C232085B for ; Fri, 18 Sep 2020 08:40:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=szeredi.hu header.i=@szeredi.hu header.b="ARKtKE6l" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726267AbgIRIkn (ORCPT ); Fri, 18 Sep 2020 04:40:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58432 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726201AbgIRIkn (ORCPT ); Fri, 18 Sep 2020 04:40:43 -0400 Received: from mail-ua1-x942.google.com (mail-ua1-x942.google.com [IPv6:2607:f8b0:4864:20::942]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 93D5AC06174A for ; Fri, 18 Sep 2020 01:40:42 -0700 (PDT) Received: by mail-ua1-x942.google.com with SMTP id e41so1604384uad.6 for ; Fri, 18 Sep 2020 01:40:42 -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=dwlUQkGfUvPCwlHhD4WuRXZet1Q6IjYVRW9aDOj5UKM=; b=ARKtKE6lE5a03DrnZTKqf78mVzHs84uTofWc1TE5e/iFtdns0FVSKo/0ZtdKubq8X9 II2vXBN0q1BBCeySgngcs9zrMRSXcr2pbfo5usjQY9HLyY8Z7EWYndXqt3bedZkRup59 /6nWUSi37REMTm5x4i+GhfqJhZywuSXqpRFXI= 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=dwlUQkGfUvPCwlHhD4WuRXZet1Q6IjYVRW9aDOj5UKM=; b=HBkRZoaHMeaeA86Do0k/Mgctsj1PdBlChir8qxFa4O9sLotGcnrK/oOiVlJzhjS7C1 sTRg9i+lxG7Hy886aIuv6n5FYqcj6S5Hih9lM1Q6G3AEzVQxNkOXigq0//FNRbVRUICD ngv0ruii0BsXwo/WCmJxzivUX+2UDV9AGNddN7frNdiEI+CUUKIWBz8Vsd5NBlnTAJfD 5uBYzFqGFKXaNSEs9jvXKURffkiwu21yJkd/u+QFrj9VIr/omE6/Qi8jFtYLJJNTix1J LYRDlxKCtL22ddBc7W+7LAFl1kcEKNlpZDcBXRbBXN82OWHalr4BTomxkXE+C/uuQCHC sivw== X-Gm-Message-State: AOAM5328UYvguAfA6zJxXtklT6PC+8M/2gXf5TJKyBKzatfhr/zMoc+3 JjbQziK/2Sh0dHmwJwkrhpc1Bz82iNYC+Zr4FXFouw== X-Google-Smtp-Source: ABdhPJx6RkummIEone8ls4QlHgyOMLzJ3jPTYR6lAGVfQnqYSK8NmXfxl4FrhUrfiGgd4OsMP078hHxGHYtZFxS08mI= X-Received: by 2002:ab0:6298:: with SMTP id z24mr19715384uao.105.1600418441630; Fri, 18 Sep 2020 01:40:41 -0700 (PDT) MIME-Version: 1.0 References: <1599553026-11745-1-git-send-email-pragalla@qti.qualcomm.com> <0101017478aef256-c8471520-26b1-4b87-a3b8-8266627b704f-000000@us-west-2.amazonses.com> <3ccc311257ac24096a94fb7b45013737@codeaurora.org> In-Reply-To: <3ccc311257ac24096a94fb7b45013737@codeaurora.org> From: Miklos Szeredi Date: Fri, 18 Sep 2020 10:40:30 +0200 Message-ID: Subject: Re: [PATCH V4] fuse: Fix VM_BUG_ON_PAGE issue while accessing zero ref count page To: Pradeep P V K Cc: Pradeep P V K , linux-fsdevel@vger.kernel.org, Matthew Wilcox , Sahitya Tummala , sayalil@codeaurora.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On Wed, Sep 16, 2020 at 5:31 PM wrote: > > On 2020-09-14 19:02, ppvk@codeaurora.org wrote: > > Thanks for the patch. It is an one time issue and bit hard to > > reproduce but still we > > will verify the above proposed patch and update the test results here. > > > Not seen any issue during 24 hours(+) of stability run with your > proposed patch. > This covers reads/writes on fuse paths + reboots + other concurrency's. Great, thanks for verifying. Pushed to fuse.git#for-next. Thanks, Miklos