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Wed, 23 Dec 2020 01:04:02 -0800 (PST) X-Google-Smtp-Source: ABdhPJzIKfS4YxdIIJVZA9uuysC0+hLnyPpVrMJbFMUBiUUXAj0mYc5Xq/Vqz7vigPuhlVA8c9opkw== X-Received: by 2002:a17:90a:c085:: with SMTP id o5mr26263176pjs.210.1608714242074; Wed, 23 Dec 2020 01:04:02 -0800 (PST) Received: from xiangao.remote.csb ([209.132.188.80]) by smtp.gmail.com with ESMTPSA id b19sm22034409pfo.24.2020.12.23.01.03.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 23 Dec 2020 01:04:01 -0800 (PST) Date: Wed, 23 Dec 2020 17:03:51 +0800 From: Gao Xiang To: Christoph Hellwig Subject: Re: [PATCH] erofs: support direct IO for uncompressed file Message-ID: <20201223090351.GD1831635@xiangao.remote.csb> References: <20201214140428.44944-1-huangjianan@oppo.com> <20201222142234.GB17056@infradead.org> <20201222193901.GA1892159@xiangao.remote.csb> <20201223074455.GA14729@infradead.org> <20201223085401.GA336@infradead.org> MIME-Version: 1.0 In-Reply-To: <20201223085401.GA336@infradead.org> User-Agent: Mutt/1.10.1 (2018-07-13) Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=hsiangkao@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Disposition: inline X-BeenThere: linux-erofs@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development of Linux EROFS file system List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org, guoweichao@oppo.com, linux-erofs@lists.ozlabs.org, zhangshiming@oppo.com Errors-To: linux-erofs-bounces+linux-erofs=archiver.kernel.org@lists.ozlabs.org Sender: "Linux-erofs" On Wed, Dec 23, 2020 at 08:54:01AM +0000, Christoph Hellwig wrote: > On Wed, Dec 23, 2020 at 04:48:20PM +0800, Huang Jianan wrote: > > Hi Christoph, > > > > The reason we use dio is because we need to deploy the patch on some early > > kernel versions, and we don't pay much attention to the change of iomap. > > No, that is never an excuse for upstream development. Ok, personally I also agree this, let's go further in this way. Thanks, Gao Xiang >