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[66.29.188.166]) by smtp.gmail.com with ESMTPSA id x3sm330869pgt.45.2018.11.28.18.20.53 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 28 Nov 2018 18:20:55 -0800 (PST) Subject: Re: [PATCH V12 00/20] block: support multi-page bvec To: Ming Lei , Mike Snitzer , "Ewan D. Milne" Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, Theodore Ts'o , Omar Sandoval , Sagi Grimberg , Dave Chinner , Kent Overstreet , dm-devel@redhat.com, Alexander Viro , linux-fsdevel@vger.kernel.org, Shaohua Li , linux-raid@vger.kernel.org, David Sterba , linux-btrfs@vger.kernel.org, "Darrick J . Wong" , linux-xfs@vger.kernel.org, Gao Xiang , Christoph Hellwig , linux-ext4@vger.kernel.org, Coly Li , linux-bcache@vger.kernel.org, Boaz Harrosh , Bob Peterson , cluster-devel@redhat.com References: <20181126021720.19471-1-ming.lei@redhat.com> <7096bc4e-0617-29d0-a90d-ae7caf09a16d@kernel.dk> <20181129012959.GC23249@ming.t460p> From: Jens Axboe Message-ID: <1983a2f5-07be-4102-fedc-54e2ad2e16dc@kernel.dk> Date: Wed, 28 Nov 2018 19:20:51 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <20181129012959.GC23249@ming.t460p> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 11/28/18 6:30 PM, Ming Lei wrote: >> I'm going back and forth on those one a bit. Any concerns with >> pushing this to 4.22? > > My only one concern is about the warning of > "blk_cloned_rq_check_limits: over max segments limit" on dm multipath, > and seems Ewan and Mike is waiting for this fix. Not familiar with this issue, can you post a link to it? I'd be fine working around anything until 4.22, it's not going to be a new issue. -- Jens Axboe