From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,NICE_REPLY_A, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DF467C433E2 for ; Sun, 30 Aug 2020 03:18:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BF0DE20656 for ; Sun, 30 Aug 2020 03:18:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598757506; bh=W6gvSV7CV73LG+TEALyfCdBQYH0N27F4Auc5GectvNk=; h=Subject:To:References:Cc:From:Date:In-Reply-To:List-ID:From; b=VxTwLjmmLPtEPdhmWQ3aNLvDC71/ryMnbg5AEyWe+JtIFGvzwPhXLrQLKbJY94OqF lINMNvSayQZdTvbxyZOZfd8BLb7GCJ3B9I5WFnKZ1IFibhGAGBgTnXLHCRuKDadPNG Zsy99Fw2+Sk/ItE4aHWKDApGLbuOgTqPbZAENAYU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728628AbgH3DSW (ORCPT ); Sat, 29 Aug 2020 23:18:22 -0400 Received: from mail.kernel.org ([198.145.29.99]:47872 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728613AbgH3DSU (ORCPT ); Sat, 29 Aug 2020 23:18:20 -0400 Received: from [192.168.0.108] (unknown [49.65.245.85]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2176B204FD; Sun, 30 Aug 2020 03:18:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598757500; bh=W6gvSV7CV73LG+TEALyfCdBQYH0N27F4Auc5GectvNk=; h=Subject:To:References:Cc:From:Date:In-Reply-To:From; b=jYcS40rDc+LO9fgIx5/k/mWN7//WBVceF8mCLUZTALS7pizOkh0l9NCq7MQPC8A39 GT5dA2YJc/kgrk+T9j9kORwTcygmWFPh+CHH2FXHAxwUpIX7NFUfWTKMBMMxbAjGrA TIpGUt9Cy9SbVRlzXD5lR4WAnrJQ6YTY1Cmlc9e4= Subject: Re: [PATCH] f2fs: Simplify SEEK_DATA implementation To: "Matthew Wilcox (Oracle)" , Jaegeuk Kim References: <20200824214841.17132-1-willy@infradead.org> Cc: linux-f2fs-devel@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org From: Chao Yu Message-ID: Date: Sun, 30 Aug 2020 11:18:07 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.8.0 MIME-Version: 1.0 In-Reply-To: <20200824214841.17132-1-willy@infradead.org> Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On 2020-8-25 5:48, Matthew Wilcox (Oracle) wrote: > Instead of finding the first dirty page and then seeing if it matches > the index of a block that is NEW_ADDR, delay the lookup of the dirty > bit until we've actually found a block that's NEW_ADDR. > > Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Chao Yu Thanks,