linux-kernel - [PATCH] f2fs: update cur_valid_map_mir together with cur_valid

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Date:   Tue, 1 Aug 2017 15:56:46 +0800
From:   Yunlong Song <yunlong.song@...wei.com>
To:     <jaegeuk@...nel.org>, <chao@...nel.org>, <yuchao0@...wei.com>,
        <sylinux@....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: update cur_valid_map_mir together with cur_valid_map

When cur_valid_map passes the f2fs_test_and_set(,clear)_bit test,
cur_valid_map_mir update is skipped unlikely, so fix it.

Signed-off-by: Yunlong Song <yunlong.song@...wei.com>
---
 fs/f2fs/segment.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 151968e..6f7731a 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1535,6 +1535,10 @@ static void update_sit_entry(struct f2fs_sb_info *sbi, block_t blkaddr, int del)
 			f2fs_bug_on(sbi, 1);
 #endif
 		}
+#ifdef CONFIG_F2FS_CHECK_FS
+		else
+			f2fs_set_bit(offset, se->cur_valid_map_mir);
+#endif
 		if (f2fs_discard_en(sbi) &&
 			!f2fs_test_and_set_bit(offset, se->discard_map))
 			sbi->discard_blks--;
@@ -1556,6 +1560,10 @@ static void update_sit_entry(struct f2fs_sb_info *sbi, block_t blkaddr, int del)
 			f2fs_bug_on(sbi, 1);
 #endif
 		}
+#ifdef CONFIG_F2FS_CHECK_FS
+		else
+			f2fs_clear_bit(offset, se->cur_valid_map_mir);
+#endif
 		if (f2fs_discard_en(sbi) &&
 			f2fs_test_and_clear_bit(offset, se->discard_map))
 			sbi->discard_blks++;
-- 
1.8.5.2