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[23.128.96.18]) by mx.google.com with ESMTP id l21si13877515edw.181.2020.08.18.21.22.55; Tue, 18 Aug 2020 21:23:20 -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; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726494AbgHSEWU (ORCPT + 99 others); Wed, 19 Aug 2020 00:22:20 -0400 Received: from mx2.suse.de ([195.135.220.15]:44916 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725275AbgHSEWS (ORCPT ); Wed, 19 Aug 2020 00:22:18 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 2DEBAB7E7; Wed, 19 Aug 2020 04:22:41 +0000 (UTC) Subject: Re: [PATCH v7 1/6] net: introduce helper sendpage_ok() in include/linux/net.h To: Christoph Hellwig Cc: linux-block@vger.kernel.org, linux-nvme@lists.infradead.org, netdev@vger.kernel.org, open-iscsi@googlegroups.com, linux-scsi@vger.kernel.org, ceph-devel@vger.kernel.org, linux-kernel@vger.kernel.org, Chaitanya Kulkarni , Hannes Reinecke , Jan Kara , Jens Axboe , Mikhail Skorzhinskii , Philipp Reisner , Sagi Grimberg , Vlastimil Babka , stable@vger.kernel.org References: <20200818131227.37020-1-colyli@suse.de> <20200818131227.37020-2-colyli@suse.de> <20200818162404.GA27196@lst.de> <217ec0ec-3c5a-a8ed-27d9-c634f0b9a045@suse.de> <20200818194930.GA31966@lst.de> From: Coly Li Autocrypt: addr=colyli@suse.de; 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Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <20200818194930.GA31966@lst.de> 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 2020/8/19 03:49, Christoph Hellwig wrote: > On Wed, Aug 19, 2020 at 12:33:37AM +0800, Coly Li wrote: >> On 2020/8/19 00:24, Christoph Hellwig wrote: >>> I think we should go for something simple like this instead: >> >> This idea is fine to me. Should a warning message be through here? IMHO >> the driver still sends an improper page in, fix it in silence is too >> kind or over nice to the buggy driver(s). > > I don't think a warning is a good idea. An API that does the right > thing underneath and doesn't require boiler plate code in most callers > is the right API. > Then I don't have more comment. Thanks. Coly Li