Hi,
2013-06-28 (금), 23:23 +0800, Wang Sheng-Hui:
> In mkfs, we have check:
> if ((le32_to_cpu(super_block.segment_count_main) - 2) <
> config.reserved_segments) {
This is not the sanity check flow.
It's just to check whether the volume size is enoughly large or not.
>
> 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;
NAK.
The fsmeta is used to check whether total segment count is matched to
the sum of each area's segment counts.
Thanks,
--
Jaegeuk Kim
Samsung
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