Re: [f2fs-dev] [PATCH] f2fs: fix wrong segment count

[Chao Yu]

On 2023/2/14 1:48, Jaegeuk Kim wrote:
> On 02/13, Chao Yu wrote:
> > On 2023/2/11 5:32, Jaegeuk Kim wrote:
> > > MAIN_SEGS is for data area, while TOTAL_SEGS includes data and metadata.
> >
> > Good catch!
> >
> > Could you please add fixes line?
>
> It seems this is not a bug case, and exisits from the first F2FS patch. :)

Alright, anyway, it looks good to me.

Reviewed-by: Chao Yu <chao@xxxxxxxxxx>

Thanks,

> > Thanks,
> >
> > > Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
> > > ---
> > >    fs/f2fs/segment.h | 4 ++--
> > >    1 file changed, 2 insertions(+), 2 deletions(-)
> > >
> > > diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
> > > index 8ee5e5db9287..6003fbaf4b7d 100644
> > > --- a/fs/f2fs/segment.h
> > > +++ b/fs/f2fs/segment.h
> > > @@ -720,7 +720,7 @@ static inline unsigned char curseg_alloc_type(struct f2fs_sb_info *sbi,
> > >    static inline void check_seg_range(struct f2fs_sb_info *sbi, unsigned int segno)
> > >    {
> > > -	f2fs_bug_on(sbi, segno > TOTAL_SEGS(sbi) - 1);
> > > +	f2fs_bug_on(sbi, segno > MAIN_SEGS(sbi) - 1);
> > >    }
> > >    static inline void verify_fio_blkaddr(struct f2fs_io_info *fio)
> > > @@ -775,7 +775,7 @@ static inline int check_block_count(struct f2fs_sb_info *sbi,
> > >    	/* check segment usage, and check boundary of a given segment number */
> > >    	if (unlikely(GET_SIT_VBLOCKS(raw_sit) > usable_blks_per_seg
> > > -					|| segno > TOTAL_SEGS(sbi) - 1)) {
> > > +					|| segno > MAIN_SEGS(sbi) - 1)) {
> > >    		f2fs_err(sbi, "Wrong valid blocks %d or segno %u",
> > >    			 GET_SIT_VBLOCKS(raw_sit), segno);
> > >    		set_sbi_flag(sbi, SBI_NEED_FSCK);