On 08/30, Junling Zheng wrote:
> Hi, Jaegeuk
>
> On 2018/8/30 10:10, Jaegeuk Kim wrote:
> > Hi Chao,
> >
> > Could you please add this into Junling's patch series?
> > A little bit confusing between patches and reviews on them.
> >
>
> I'll send an new version patch series with this patch as soon as possible :)
Cool! Thank you. :)
>
> > Thanks,
> >
> > On 08/28, Chao Yu wrote:
> >> If sb checksum is not enabled, and cp pack is valid due to no
> >> crc inconsistence, let's try to recover cp_payload based on
> >> cp_pack_start_sum in cp pack.
> >>
> >> Signed-off-by: Chao Yu <yuch...@huawei.com>
> >> ---
> >> fsck/f2fs.h | 5 +++++
> >> fsck/mount.c | 10 +++++++---
> >> 2 files changed, 12 insertions(+), 3 deletions(-)
> >>
> >> diff --git a/fsck/f2fs.h b/fsck/f2fs.h
> >> index d2164449db15..0d0d5e2cc399 100644
> >> --- a/fsck/f2fs.h
> >> +++ b/fsck/f2fs.h
> >> @@ -259,6 +259,11 @@ static inline unsigned long __bitmap_size(struct
> >> f2fs_sb_info *sbi, int flag)
> >> return 0;
> >> }
> >>
> >> +static inline block_t __cp_payload(struct f2fs_sb_info *sbi)
> >> +{
> >> + return le32_to_cpu(F2FS_RAW_SUPER(sbi)->cp_payload);
> >> +}
> >> +
> >> static inline void *__bitmap_ptr(struct f2fs_sb_info *sbi, int flag)
> >> {
> >> struct f2fs_checkpoint *ckpt = F2FS_CKPT(sbi);
> >> diff --git a/fsck/mount.c b/fsck/mount.c
> >> index 4f0c3fc0db50..9421f5953cd8 100644
> >> --- a/fsck/mount.c
> >> +++ b/fsck/mount.c
> >> @@ -945,12 +945,16 @@ int sanity_check_ckpt(struct f2fs_sb_info *sbi)
> >> }
> >>
> >> cp_pack_start_sum = __start_sum_addr(sbi);
> >> - cp_payload = get_sb(cp_payload);
> >> + cp_payload = __cp_payload(sbi);
> >> if (cp_pack_start_sum < cp_payload + 1 ||
> >> cp_pack_start_sum > blocks_per_seg - 1 -
> >> NR_CURSEG_TYPE) {
> >> - MSG(0, "\tWrong cp_pack_start_sum(%u)\n", cp_pack_start_sum);
> >> - return 1;
> >> + MSG(0, "\tWrong cp_pack_start_sum(%u) or cp_payload(%u)\n",
> >> + cp_pack_start_sum, cp_payload);
> >> + if ((get_sb(feature) & F2FS_FEATURE_SB_CHKSUM))
> >> + return 1;
> >> + set_sb(cp_payload, cp_pack_start_sum - 1);
> >> + update_superblock(sb, SB_ALL);
> >> }
> >>
> >> return 0;
> >> --
> >> 2.18.0.rc1
> >
> > ------------------------------------------------------------------------------
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> > _______________________________________________
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> >
> >
>
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