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f2fs: check curseg->inited before write_sum_page in change_curseg

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BugLink: https://bugs.launchpad.net/bugs/2101915

[ Upstream commit 43563069e1c1df417d2eed6eca8a22fc6b04691d ]

In the __f2fs_init_atgc_curseg->get_atssr_segment calling,
curseg->segno is NULL_SEGNO, indicating that there is no summary
block that needs to be written.

Fixes: 093749e296 ("f2fs: support age threshold based garbage collection")
Signed-off-by: Yongpeng Yang <yangyongpeng1@oppo.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Koichiro Den <koichiro.den@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>
This commit is contained in:
Yongpeng Yang
2025-03-11 08:51:19 +09:00
committed by Stefan Bader
parent c608d410fa
commit 89b664e1c6
1 changed files with 2 additions and 1 deletions
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fs/f2fs/segment.c
+2 -1
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@@ -2880,7 +2880,8 @@ static void change_curseg(struct f2fs_sb_info *sbi, int type)
struct f2fs_summary_block *sum_node;
struct page *sum_page;
write_sum_page(sbi, curseg->sum_blk, GET_SUM_BLOCK(sbi, curseg->segno));
if (curseg->inited)
write_sum_page(sbi, curseg->sum_blk, GET_SUM_BLOCK(sbi, curseg->segno));
__set_test_and_inuse(sbi, new_segno);