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 Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 25EEBC982FA for ; Wed, 23 Sep 2026 09:32:37 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [127.0.0.1]) by lists.ozlabs.org (Postfix) with ESMTP id 4hqWw35BVgz2xdb; Wed, 23 Sep 2026 19:32:35 +1000 (AEST) Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=172.234.252.31 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1790155955; cv=none; b=DVffbSRsJtCZryTyeFYkaZIDnPyj/oRALl7uYxRwszPtMvW5n8BG0zrsWFBStthPqHKyISucKTDnHXIs80HpsKpo8nnIdUlS9MBSlnYA144oIXShVn3BqbR/yj1eVGTWyfq7Y1+k38t1H58MKbR2VXNlgT86xVEXzDXVEFSWjWIdpVz/uyUt0Sh9Dxfx/kQFPbDnJZYZv5DVJ0Ur6iT9WuWHDzJTQtS824gEZ/3PlJdz3ytJ7sVQHlUeVLHFTU1a1iUWtc1IvqCc1qyJN5YKg8n+UdCMHvDZAOHEYbkDEjfVtQb+O2uavquKS/v7s3V6r6aquNl7T+QleLN/OYFV4A== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1790155955; c=relaxed/relaxed; bh=Idcu2s9vIAMTCtxMWlJwg9fNiWEVvBggt2XbsxTN/JU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Dts1NPIart6VkyIvd4/IoZHptFaoSNj3dV/PxyZq9lWeyXG0M/HblWfC8KYPrWBPjxLDL/Z82jaieWD8sgXvKrTj6AXc2CVyS2RcDG4rYXdhFnqJfXFZcCkPESordt8zdgJ03OCghrX7n0PeB514YrO3UtSyEMoJHdl/VKglihiMCeVyR7cbps1Gfeba5ePrDVm78GcTVhW1DJ18zAquOhTVBeR4RRGylAQkBFB8VCioBP2AGE80WDJbGA1s5vhq7OtUKxObgBSPb383dHHnHVueAk4oJbNNvpakqlLq3AL0O4Sp88iH/WmI5BD3xbukYOORQeg6zpTQLTlP9vSbgA== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=linuxfoundation.org; dkim=pass (1024-bit key; unprotected) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=K86yTmvl; dkim-atps=neutral; spf=pass (client-ip=172.234.252.31; helo=sea.source.kernel.org; envelope-from=gregkh@linuxfoundation.org; receiver=lists.ozlabs.org) smtp.mailfrom=linuxfoundation.org Authentication-Results: lists.ozlabs.org; dmarc=pass (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: lists.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.a=rsa-sha256 header.s=korg header.b=K86yTmvl; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linuxfoundation.org (client-ip=172.234.252.31; helo=sea.source.kernel.org; envelope-from=gregkh@linuxfoundation.org; receiver=lists.ozlabs.org) Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4hqWw146Tlz2xM9 for ; Wed, 23 Sep 2026 19:32:33 +1000 (AEST) Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 31FA243B6E; Wed, 23 Sep 2026 09:32:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 52F9D1F00893; Wed, 23 Sep 2026 09:32:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1790155951; bh=Idcu2s9vIAMTCtxMWlJwg9fNiWEVvBggt2XbsxTN/JU=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=K86yTmvlsPTpcjqDYcGBYLeA2+V5DQw1p9gUQBeh1SkYhBpdE+spvQ94FugArQz8S t0Iyq1eaKwLucTsxtNzkOp7JjS+uQgZtxZP9Kw6YFBnZiA9/WKI2cZzKMOMv2j2ASh o/NNDhgsErEUXAnW+38JD0L87bXSPJI1254GuE9Y= Date: Wed, 23 Sep 2026 11:30:44 +0200 From: Greg KH To: Wenwu Hou Cc: sashal@kernel.org, stable@vger.kernel.org, xiang@kernel.org, chao@kernel.org, zbestahu@gmail.com, jefflexu@linux.alibaba.com, dhavale@google.com, lihongbo22@huawei.com, guochunhai@vivo.com, yinxin.x@bytedance.com, linux-erofs@lists.ozlabs.org Subject: Re: [PATCH stable] erofs: fix large folio race in erofs_fscache_req_complete Message-ID: <2026092320-process-federal-6533@gregkh> References: <20260923084823.496741-1-hwenwur@gmail.com> X-Mailing-List: linux-erofs@lists.ozlabs.org List-Id: List-Help: List-Owner: List-Post: List-Subscribe: , , List-Unsubscribe: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260923084823.496741-1-hwenwur@gmail.com> On Wed, Sep 23, 2026 at 04:48:23PM +0800, Wenwu Hou wrote: > This patch is for stable only. Commit c37460cd9b2fc ("erofs: remove fscache > backend entirely") upstream removed this code. We need an ack/review from the maintainers of this code. And if it's removed in newer kernels, why not do the same thing here too? thanks, greg k-h