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=-8.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=ham 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 0B8B7C32771 for ; Thu, 9 Jan 2020 07:14:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D7D592072A for ; Thu, 9 Jan 2020 07:14:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728271AbgAIHO1 (ORCPT ); Thu, 9 Jan 2020 02:14:27 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:41106 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726541AbgAIHO0 (ORCPT ); Thu, 9 Jan 2020 02:14:26 -0500 Received: from DGGEMS404-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 8F2BCD8059C7DC9A87A0; Thu, 9 Jan 2020 15:14:22 +0800 (CST) Received: from [10.134.22.195] (10.134.22.195) by smtp.huawei.com (10.3.19.204) with Microsoft SMTP Server (TLS) id 14.3.439.0; Thu, 9 Jan 2020 15:14:21 +0800 Subject: Re: [f2fs-dev][PATCH] resize.f2fs: add option for large_nat_bitmap feature To: =?UTF-8?B?UGluZzEgWGlvbmcg54aK5bmz?= , "linux-f2fs-devel@lists.sourceforge.net" , "jaegeuk@kernel.org" CC: "linux-kernel@vger.kernel.org" References: <1578482416650.67283@xiaomi.com> From: Chao Yu Message-ID: Date: Thu, 9 Jan 2020 15:14:20 +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: <1578482416650.67283@xiaomi.com> Content-Type: text/plain; charset="UTF-8" Content-Language: en-US Content-Transfer-Encoding: 8bit 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 2020/1/8 19:20, Ping1 Xiong 熊平 wrote: > ​From d5b8411dbae37180c37d96bf164fab16138fc21a Mon Sep 17 00:00:00 2001 > > From: xiongping1 > Date: Wed, 8 Jan 2020 17:20:55 +0800 > Subject: [PATCH] resize.f2fs: add option for large_nat_bitmap feature Thanks for your contribution. The patch format is incorrect, I guess it was changed by email client or when you paste patch's content, could you check it? > > resize.f2fs has already supported large_nat_bitmap feature, but has no > option to turn on it. > > This change add a new '-i' option to control turning on/off it. We only add a option to turn on this feature, right? rather than turning on or off it? Thanks, > > Signed-off-by: xiongping1 > --- >  fsck/main.c   | 6 +++++- >  fsck/resize.c | 5 +++++ >  2 files changed, 10 insertions(+), 1 deletion(-) > > diff --git a/fsck/main.c b/fsck/main.c > index 9a7d499..e7e3dfc 100644 > --- a/fsck/main.c > +++ b/fsck/main.c > @@ -104,6 +104,7 @@ void resize_usage() >          MSG(0, "\nUsage: resize.f2fs [options] device\n"); >          MSG(0, "[options]:\n"); >          MSG(0, "  -d debug level [default:0]\n"); > +       MSG(0, "  -i extended node bitmap, node ratio is 20%% by default\n"); >          MSG(0, "  -s safe resize (Does not resize metadata)"); >          MSG(0, "  -t target sectors [default: device size]\n"); >          MSG(0, "  -V print the version number and exit\n"); > @@ -449,7 +450,7 @@ void f2fs_parse_options(int argc, char *argv[]) >                                  break; >                  } >          } else if (!strcmp("resize.f2fs", prog)) { > -               const char *option_string = "d:st:V"; > +               const char *option_string = "d:st:iV"; >   >                  c.func = RESIZE; >                  while ((option = getopt(argc, argv, option_string)) != EOF) { > @@ -476,6 +477,9 @@ void f2fs_parse_options(int argc, char *argv[]) >                                          ret = sscanf(optarg, "%"PRIx64"", >                                                          &c.target_sectors); >                                  break; > +                       case 'i': > +                               c.large_nat_bitmap = 1; > +                               break; >                          case 'V': >                                  show_version(prog); >                                  exit(0); > diff --git a/fsck/resize.c b/fsck/resize.c > index fc563f2..88e063e 100644 > --- a/fsck/resize.c > +++ b/fsck/resize.c > @@ -519,6 +519,11 @@ static void rebuild_checkpoint(struct f2fs_sb_info *sbi, >          else >                  set_cp(checksum_offset, CP_CHKSUM_OFFSET); >   > +       if (c.large_nat_bitmap) { > +               set_cp(checksum_offset, CP_MIN_CHKSUM_OFFSET); > +               flags |= CP_LARGE_NAT_BITMAP_FLAG; > +       } > + >          set_cp(ckpt_flags, flags); >   >          memcpy(new_cp, cp, (unsigned char *)cp->sit_nat_version_bitmap - > --  > 2.7.4 > > ​ > > > #/******本邮件及其附件含有小米公司的保密信息，仅限于发送给上面地址中列出的个人或群组。禁止任何其他人以任何形式使用（包括但不限于全部或部分地泄露、复制、或散发）本邮件中的信息。如果您错收了本邮件，请您立即电话或邮件通知发件人并删除本邮件！ This e-mail and its attachments contain confidential information from XIAOMI, which is intended only for the person or entity whose address is listed above. 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