Received: by 2002:ad5:474a:0:0:0:0:0 with SMTP id i10csp6518989imu; Wed, 14 Nov 2018 02:50:53 -0800 (PST) X-Google-Smtp-Source: AJdET5efZDv+fgMwEdjOR1W+4RqUL1twU7fPWnN4Y2zCmX+XSG+UHsbVCN8Mer9gmbtGApHhBRJ+ X-Received: by 2002:a62:1049:: with SMTP id y70-v6mr1427759pfi.113.1542192653874; Wed, 14 Nov 2018 02:50:53 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1542192653; cv=none; d=google.com; s=arc-20160816; b=tilOr98PkkBzqVQhPU75ovGLlSLlc7sMx8p7kfYs18LwojNK0WK9SaV5UqDNsExULa aspdHxKFwsZ49WlFD5e3SswYUA5z/G7djxsh4vMGSMG+g8zca3NgzoywQsyfZX5WqeyI dJRCYevZnSm4EcUv4YdsgHWrfnZty8AQol/MvyNiJXCXxGYuEMOk2wBf7+nHag2DJfcm Absr7DDf1J7dEOafqiqd6N+e4lnGcC0xkOrSwbvaaIUd3J95OPOHQrmYLUiOKMdK5K4h MSDNiWcv2V+EcXszqFRiHMUAGWYn/UrUwkDwTqohfDoA72/SEQNdeEZpjTgWcLUqHBwe mixw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject; bh=dIf/9bpumCtmMEAMClzR1/tepRHmO/JcsHKrQNj/CPw=; b=B+xu2sszT8BJQeR8FTK8eQEEQTdSbx+N3LMgvXCjtBUOVn08crK7xombql0gPwB1F0 Jw4Om/2F5ucJXuz1mwA46D+gqEvaaWZBeyzfD2tEc0PcI8K1YTw2HezRh9dzBDuVVjd6 WaGzGQZF3GL2id+1gv6Mfue0se2tYTFu2NIihZ+3/XD41RbDOzEV6+G/YBgEpOubmDfa F5TZ4QELQVkzIri3Zl8oRQYLfkXGKI5qan6KWHPJauCzL0Cz5WhKz3ip0PE8dXwOg792 ZsiFkl2sMZxb9CiOsDa7XAYwOV47BuNOU15RRg3vdylYRxk/Ke24RUgoewVlh73VJBHt 0ftw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id y5-v6si25242366pfg.52.2018.11.14.02.50.38; Wed, 14 Nov 2018 02:50:53 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728152AbeKNUw5 (ORCPT + 99 others); Wed, 14 Nov 2018 15:52:57 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:40309 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726823AbeKNUw4 (ORCPT ); Wed, 14 Nov 2018 15:52:56 -0500 Received: from DGGEMS413-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 72B431943B86A; Wed, 14 Nov 2018 18:50:05 +0800 (CST) Received: from [127.0.0.1] (10.134.22.195) by DGGEMS413-HUB.china.huawei.com (10.3.19.213) with Microsoft SMTP Server id 14.3.408.0; Wed, 14 Nov 2018 18:49:56 +0800 Subject: Re: [PATCH v3] f2fs: only flush the single temp bio cache which owns the target page To: Yunlong Song , , , CC: , , , , , References: <1540368651-14353-1-git-send-email-yunlong.song@huawei.com> <1542081452-66059-1-git-send-email-yunlong.song@huawei.com> From: Chao Yu Message-ID: <264f0463-bda9-cf5b-9236-13edc7f06936@huawei.com> Date: Wed, 14 Nov 2018 18:49:55 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <1542081452-66059-1-git-send-email-yunlong.song@huawei.com> Content-Type: text/plain; charset="windows-1252" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.134.22.195] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2018/11/13 11:57, Yunlong Song wrote: > Previously, when f2fs finds which temp bio cache owns the target page, > it will flush all the three temp bio caches, but we only need to flush > one single bio cache indeed, which can help to keep bio merged. > > Signed-off-by: Yunlong Song Reviewed-by: Chao Yu Thanks,