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f2fs: check curseg->inited before write_sum_page in change_curseg

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[ Upstream commit 43563069e1 ]

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>
This commit is contained in:
Yongpeng Yang 2024-10-21 12:48:01 +08:00 committed by Greg Kroah-Hartman
parent 3d3926eec7
commit b4751fc0db
1 changed files with 2 additions and 1 deletions
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3
fs/f2fs/segment.c
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@ -2674,7 +2674,8 @@ 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);