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[23.128.96.18]) by mx.google.com with ESMTP id u7si3929381eds.594.2021.06.04.16.34.07; Fri, 04 Jun 2021 16:34:30 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=dcMTWnax; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231865AbhFDXd2 (ORCPT + 99 others); Fri, 4 Jun 2021 19:33:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54110 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229853AbhFDXd1 (ORCPT ); Fri, 4 Jun 2021 19:33:27 -0400 Received: from mail-qt1-x829.google.com (mail-qt1-x829.google.com [IPv6:2607:f8b0:4864:20::829]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 47DD3C061766; Fri, 4 Jun 2021 16:31:28 -0700 (PDT) Received: by mail-qt1-x829.google.com with SMTP id t20so8285378qtx.8; Fri, 04 Jun 2021 16:31:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=PBin/z5hDFW5Ve3aQTiLIRlzSaeQ8qcQu0zCFdQd6Xk=; b=dcMTWnaxBb8HqPgSlERDybmkGVPSERJa5XsZkRkOJKVXEv7XdwyKi3DzPZpyNf40Xo quGAkBPx8ZVc/3Bcx+BMyWV9rZJFbs2z/GavWxo2d+THJ78dWVz4nv7KMA/0qgPFYI2P dcMn3Lan262LT0207JXa8/U5/tKFy+lFDCb1KwTiFE+sAaWrgHMCHETBkmjJAjOxGQxG M5giSsIIVthqiY9y4C/sdi3JoPcugXqpLjEblEM7GCVbADPvNplLK31nWXTs7dN692vV mKsjabRpe9KFGbw6Sf+FjBv61ldBmvMN89MN3rxr0vRNv2mDrtahiVuwUAEYQ9RskaB3 ATiw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to; bh=PBin/z5hDFW5Ve3aQTiLIRlzSaeQ8qcQu0zCFdQd6Xk=; b=mV49LB3qyHhejVOreyUJcGY1agIgcNSP9VOrJFlyBDQWAlPdjWN7BhlGKjkhXle+Un wEQ1HPB91kBmBg5AEuNRRFV0otLS+8xIW1eOrsERq4+76C6SW9xSbGQUls4nr452XW2o n1SRgUANWAsNWc4e2P6+S9ynayFmyd75F/QAXK9BWUk3SlQdOpUyugJZsKyKg18Agymw XVA09ttY/GP+TGYWCrWVSG3vl5h2ewdbw6yxv7aNwXBce2Qbi8H9paM5MY2GiE+HpBbQ a5Alf6N6rNlJ5pUwtuKIZ03JWm2tvd0McI4Zv9bweVf/oBZ9gmrxFbG2DGiy9RBd0zcz YGQw== X-Gm-Message-State: AOAM530jf3X4gFUYInVJRXuwCaAfzdEDai5skOZN2vAzy3c4JRzFLdt9 7SoKH+Mb28cb0JhXWwhkXe0XghFjza22VA== X-Received: by 2002:ac8:75d4:: with SMTP id z20mr6836726qtq.265.1622849487309; Fri, 04 Jun 2021 16:31:27 -0700 (PDT) Received: from localhost ([199.192.137.73]) by smtp.gmail.com with ESMTPSA id g5sm1904915qth.39.2021.06.04.16.31.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Jun 2021 16:31:26 -0700 (PDT) Sender: Tejun Heo Date: Fri, 4 Jun 2021 19:31:25 -0400 From: Tejun Heo To: Roman Gushchin Cc: Jan Kara , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Alexander Viro , Dennis Zhou , Dave Chinner , cgroups@vger.kernel.org Subject: Re: [PATCH v7 0/6] cgroup, blkcg: prevent dirty inodes to pin dying memory cgroups Message-ID: References: <20210604013159.3126180-1-guro@fb.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, On Fri, Jun 04, 2021 at 03:24:38PM -0700, Roman Gushchin wrote: > I agree that switching to the nearest ancestor makes sense. If I remember > correctly, I was doing this in v1 (or at least planned to do), but then > switched to zeroing the pointer and then to bdi's wb. > > I fixed it in v8 and pushed it here: https://github.com/rgushchin/linux/tree/cgwb.8 . > I'll wait a bit for Jan's and others feedback and will post v8 on Monday. > Hopefully, it will be the final version. Sounds great. > Btw, how are such patches usually routed? Through Jens's tree? I think the past writeback patches went through -mm. Thanks. -- tejun