6.1-stable review patch. If anyone has any objections, please let me know.
------------------
From: Yongpeng Yang yangyongpeng1@oppo.com
[ 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: 093749e296e2 ("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 --- 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 884b3d9d1de62..72bbdb29e8381 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -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);