From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753916AbdCBDZM (ORCPT ); Wed, 1 Mar 2017 22:25:12 -0500 Received: from szxga02-in.huawei.com ([45.249.212.188]:3372 "EHLO dggrg02-dlp.huawei.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1753378AbdCBDZK (ORCPT ); Wed, 1 Mar 2017 22:25:10 -0500 From: Chao Yu To: CC: , , , Chao Yu Subject: [PATCH] f2fs: correct cp_ver for compatibility to old image Date: Thu, 2 Mar 2017 11:22:33 +0800 Message-ID: <20170302032233.89189-1-yuchao0@huawei.com> X-Mailer: git-send-email 2.8.2.295.g3f1c1d0 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.120.216.130] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A090201.58B79005.0048,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: de4197e1e2cc2b18006dd5f664c92145 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org There is no CP_CRC_RECOVERY_FLAG tagged in checkpoint pack, calculate cp_version as old format. Signed-off-by: Chao Yu --- fs/f2fs/node.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 6c027b6833f4..0d46404ca769 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -2507,7 +2507,9 @@ static int __get_nat_bitmaps(struct f2fs_sb_info *sbi) f2fs_put_page(page, 1); } - cp_ver |= (cur_cp_crc(ckpt) << 32); + if (__is_set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG)) + cp_ver |= (cur_cp_crc(ckpt) << 32); + if (cpu_to_le64(cp_ver) != *(__le64 *)nm_i->nat_bits) { disable_nat_bits(sbi, true); return 0; -- 2.8.2.295.g3f1c1d0