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[2620:137:e000::1:18]) by mx.google.com with ESMTPS id ay24-20020a056a00301800b0050569a072d5si2646891pfb.381.2022.04.07.19.42.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Apr 2022 19:42:59 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=alibaba.com Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 76E8B2661DA; Thu, 7 Apr 2022 19:15:00 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233630AbiDHCQy (ORCPT + 99 others); Thu, 7 Apr 2022 22:16:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45680 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231215AbiDHCQt (ORCPT ); Thu, 7 Apr 2022 22:16:49 -0400 Received: from out199-16.us.a.mail.aliyun.com (out199-16.us.a.mail.aliyun.com [47.90.199.16]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3D8FF23D766; Thu, 7 Apr 2022 19:14:45 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R181e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04395;MF=jefflexu@linux.alibaba.com;NM=1;PH=DS;RN=18;SR=0;TI=SMTPD_---0V9Ta7DP_1649384078; Received: from 30.225.24.70(mailfrom:jefflexu@linux.alibaba.com fp:SMTPD_---0V9Ta7DP_1649384078) by smtp.aliyun-inc.com(127.0.0.1); Fri, 08 Apr 2022 10:14:40 +0800 Message-ID: Date: Fri, 8 Apr 2022 10:14:38 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.6.1 Subject: Re: [PATCH v8 12/20] erofs: add anonymous inode managing page cache for data blob Content-Language: en-US To: dhowells@redhat.com, linux-cachefs@redhat.com, xiang@kernel.org, chao@kernel.org, linux-erofs@lists.ozlabs.org, torvalds@linux-foundation.org, gregkh@linuxfoundation.org, willy@infradead.org, linux-fsdevel@vger.kernel.org, joseph.qi@linux.alibaba.com, bo.liu@linux.alibaba.com, tao.peng@linux.alibaba.com, gerry@linux.alibaba.com, eguan@linux.alibaba.com, linux-kernel@vger.kernel.org, luodaowen.backend@bytedance.com, tianzichen@kuaishou.com, fannaihao@baidu.com References: <20220406075612.60298-1-jefflexu@linux.alibaba.com> <20220406075612.60298-13-jefflexu@linux.alibaba.com> From: JeffleXu In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-4.7 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE,UNPARSEABLE_RELAY autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 4/7/22 1:31 PM, Gao Xiang wrote: > On Wed, Apr 06, 2022 at 03:56:04PM +0800, Jeffle Xu wrote: >> Introduce one anonymous inode managing page cache for data blob. Then >> erofs could read directly from the address space of the anonymous inode >> when cache hit. > > Introduce one anonymous inode for data blobs so that erofs > can cache metadata directly within such anonymous inode. > Thanks. Commit message will be updated in the next version. -- Thanks, Jeffle