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[2620:137:e000::1:18]) by mx.google.com with ESMTPS id i8-20020a170902c94800b00156a95ac6efsi2652478pla.611.2022.04.12.16.49.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Apr 2022 16:49:53 -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 CFD121DF64A; Tue, 12 Apr 2022 14:42:45 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244902AbiDLDVJ (ORCPT + 99 others); Mon, 11 Apr 2022 23:21:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57980 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231476AbiDLDVG (ORCPT ); Mon, 11 Apr 2022 23:21:06 -0400 Received: from out30-56.freemail.mail.aliyun.com (out30-56.freemail.mail.aliyun.com [115.124.30.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CDAC6329B6; Mon, 11 Apr 2022 20:18:50 -0700 (PDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R111e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e01424;MF=jefflexu@linux.alibaba.com;NM=1;PH=DS;RN=18;SR=0;TI=SMTPD_---0V9sW5Oh_1649733524; Received: from 30.225.24.141(mailfrom:jefflexu@linux.alibaba.com fp:SMTPD_---0V9sW5Oh_1649733524) by smtp.aliyun-inc.com(127.0.0.1); Tue, 12 Apr 2022 11:18:46 +0800 Message-ID: <6bc88656-0542-9e00-7630-537a3ba6980e@linux.alibaba.com> Date: Tue, 12 Apr 2022 11:18:44 +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 00/20] fscache,erofs: fscache-based on-demand read semantics Content-Language: en-US To: David Howells Cc: 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> <1094550.1649684620@warthog.procyon.org.uk> From: JeffleXu In-Reply-To: <1094550.1649684620@warthog.procyon.org.uk> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-3.0 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 4/11/22 9:43 PM, David Howells wrote: > Btw, do you want to add a tracepoint or two to cachefiles to log requests? > Good idea. Tracepoints will help a lot when debugging. -- Thanks, Jeffle