[PATCH] f2fs: check curseg->inited before write_sum_page in change_curseg

From: Yongpeng Yang
Date: Mon Oct 21 2024 - 00:48:27 EST


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.

Signed-off-by: Yongpeng Yang <yangyongpeng1@xxxxxxxx>
---
fs/f2fs/segment.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 1766254279d2..35f0b5065554 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -2926,7 +2926,8 @@ static int 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);

--
2.40.1