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[2620:137:e000::1:20]) by mx.google.com with ESMTP id r10-20020a63a00a000000b003c6c6e041f1si1871899pge.654.2022.05.11.01.11.47; Wed, 11 May 2022 01:12:00 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=temperror (no key for signature) header.i=@szeredi.hu header.s=google header.b=Tbvi5lts; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242553AbiEKHIE (ORCPT + 99 others); Wed, 11 May 2022 03:08:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42758 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241099AbiEKHID (ORCPT ); Wed, 11 May 2022 03:08:03 -0400 Received: from mail-ed1-x530.google.com (mail-ed1-x530.google.com [IPv6:2a00:1450:4864:20::530]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2B8FBA3087 for ; Wed, 11 May 2022 00:07:56 -0700 (PDT) Received: by mail-ed1-x530.google.com with SMTP id g23so1328281edy.13 for ; Wed, 11 May 2022 00:07:56 -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=yp55JvrZnoapZhhPg9nglUGsDWim50kPROdVVnou5Nw=; b=Tbvi5ltsARlvIdW+yMDCQBzBIclvAZymsXsV9F1mkVq/BGVV8KVRlVGR6iMnl9HDR+ 3AKJz2+/ZQxFAD9NoQksKZ+KbajOTvsmF7dhsfCekiiBg+WWkAZFgG6ZoFT+rfNm9BMv jQrOD8jcc8q0YMiBHGx8DDTqA6mFaBTeMhQLU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=yp55JvrZnoapZhhPg9nglUGsDWim50kPROdVVnou5Nw=; b=g1/Xn2CZO7nVaUlSXD1lnMgrsjnknvzPvrJRvrgTKXlS8j4NQpdZ2vxgobGNtV/eIr AcCkRF40dXu0wGK4OnpTu/NrigHKhGd7M/3fVbc2jsFUK1+LvqXAexEaqMUUpOVy+810 4af7G9l6L2T11+vnJ9htqnYIOdcpWBbStah+42j0TC2NPv5dk9PLbzI94xpGglmo5CFh knsH5E0CFLZ45hMOxpdErgNyCT6v4hIXYCiz8QlKA733JHuQ3GvELplPZ8ReG184+L3/ Gg0qkBWf4NDMfEsUp9Izm/9Gc3PmEXBG+yxvjwnFH4OZnH6mlPK5SX1vu8K6I7Hhi1ct 8+XQ== X-Gm-Message-State: AOAM531rl0Qj+Ksx/hCJxZuQNXIEpdqiFxH/aXbevDtvaBz1PRLQ1VKO IEFEEbBWSgqeoXMw8BrEkS7MZjrPGpakWRJttmu/PU/IMcd2DQ== X-Received: by 2002:a05:6402:42c4:b0:426:a7a8:348f with SMTP id i4-20020a05640242c400b00426a7a8348fmr27535912edc.341.1652252874751; Wed, 11 May 2022 00:07:54 -0700 (PDT) MIME-Version: 1.0 References: <20220511013057.245827-1-dlunev@chromium.org> In-Reply-To: <20220511013057.245827-1-dlunev@chromium.org> From: Miklos Szeredi Date: Wed, 11 May 2022 09:07:43 +0200 Message-ID: Subject: Re: [PATCH 0/2] Prevent re-use of FUSE superblock after force unmount To: Daniil Lunev Cc: linux-fsdevel@vger.kernel.org, fuse-devel , linux-kernel@vger.kernel.org, Alexander Viro Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-1.7 required=5.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, 11 May 2022 at 03:31, Daniil Lunev wrote: > > Force unmount of fuse severes the connection between FUSE driver and its > userspace counterpart. Why is forced umount being used in the first place? Thanks, Miklos