In mkfs, we have check:
if ((le32_to_cpu(super_block.segment_count_main) - 2) <
config.reserved_segments) {
In super.c/sanity_check_ckpt, we should make the check as strict
as mkfs.
Signed-off-by: Wang Sheng-Hui <shhuiw@xxxxxxxxx>
---
fs/f2fs/super.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 8555f7d..b64f38a 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -448,7 +448,7 @@ static int sanity_check_ckpt(struct f2fs_sb_info *sbi)
fsmeta = le32_to_cpu(raw_super->segment_count_ckpt);
fsmeta += le32_to_cpu(raw_super->segment_count_sit);
fsmeta += le32_to_cpu(raw_super->segment_count_nat);
- fsmeta += le32_to_cpu(ckpt->rsvd_segment_count);
+ fsmeta += le32_to_cpu(ckpt->rsvd_segment_count) + 2;
fsmeta += le32_to_cpu(raw_super->segment_count_ssa);
if (fsmeta >= total)
--
1.7.10.4
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