linux-kernel - [PATCH] f2fs-tools: move_curseg_info only if check_curseg

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Date:   Mon, 11 Sep 2017 00:20:36 +0800
From:   Yunlong Song <yunlong.song@...wei.com>
To:     <jaegeuk@...nel.org>, <chao@...nel.org>, <yuchao0@...wei.com>,
        <yunlong.song@...oud.com>, <yunlong.song@...wei.com>
CC:     <miaoxie@...wei.com>, <bintian.wang@...wei.com>,
        <linux-fsdevel@...r.kernel.org>,
        <linux-f2fs-devel@...ts.sourceforge.net>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] f2fs-tools: move_curseg_info only if check_curseg_offset fails

Current design will lose recovery process when check_curseg_offset is OK.

Signed-off-by: Yunlong Song <yunlong.song@...wei.com>
---
 fsck/fsck.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/fsck/fsck.c b/fsck/fsck.c
index cb341ba..56a47be 100644
--- a/fsck/fsck.c
+++ b/fsck/fsck.c
@@ -2026,9 +2026,11 @@ int fsck_verify(struct f2fs_sb_info *sbi)
 			fix_hard_links(sbi);
 			fix_nat_entries(sbi);
 			rewrite_sit_area_bitmap(sbi);
-			move_curseg_info(sbi, SM_I(sbi)->main_blkaddr);
-			write_curseg_info(sbi);
-			flush_curseg_sit_entries(sbi);
+			if (check_curseg_offset(sbi)) {
+				move_curseg_info(sbi, SM_I(sbi)->main_blkaddr);
+				write_curseg_info(sbi);
+				flush_curseg_sit_entries(sbi);
+			}
 			fix_checkpoint(sbi);
 		} else if (is_set_ckpt_flags(cp, CP_FSCK_FLAG)) {
 			write_checkpoint(sbi);
-- 
1.8.5.2