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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) 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: X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: 525952BC9 X-Stat-Signature: js4b9dtdmqtrhfobha86mcpwqhdkc9e8 Authentication-Results: imf29.hostedemail.com; dkim=pass header.d=gmail.com header.s=20161025 header.b=dcMTWnax; dmarc=fail reason="SPF not aligned (relaxed), DKIM not aligned (relaxed)" header.from=kernel.org (policy=none); spf=pass (imf29.hostedemail.com: domain of htejun@gmail.com designates 209.85.160.179 as permitted sender) smtp.mailfrom=htejun@gmail.com X-HE-Tag: 1622868856-903863 X-Bogosity: Ham, tests=bogofilter, spamicity=0.015079, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: 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