On Wed, 21 Dec 2022 15:49:34 +0800
Gao Xiang <[email protected]> wrote:

> On Wed, Dec 21, 2022 at 03:41:30PM +0800, Yue Hu wrote:
> > From: Yue Hu <[email protected]>
> > 
> > Support uncompressed data layout with on-disk interlaced offset in
> > compression mode for fsck.erofs.
> > 
> > Signed-off-by: Yue Hu <[email protected]>
> > ---
> >  fsck/main.c | 4 ++++
> >  1 file changed, 4 insertions(+)
> > 
> > diff --git a/fsck/main.c b/fsck/main.c
> > index 410e756..c2f57bc 100644
> > --- a/fsck/main.c
> > +++ b/fsck/main.c
> > @@ -458,12 +458,16 @@ static int erofs_verify_inode_data(struct erofs_inode 
> > *inode, int outfd)
> >                             .in = raw,
> >                             .out = buffer,
> >                             .decodedskip = 0,
> > +                           .interlaced_offset = 0,  
> 
> Could we use
>       .interlace_offset =
>               map.m_algorithmformat == Z_EROFS_COMPRESSION_INTERLACED ?
>                       rq.interlaced_offset : 0,
> 
> here instead?

Okay, let me send v2 in this way.

> 
> Thanks,
> Gao Xiang
> 
> >                             .inputsize = map.m_plen,
> >                             .decodedlength = map.m_llen,
> >                             .alg = map.m_algorithmformat,
> >                             .partial_decoding = 0
> >                     };
> >  
> > +                   if (map.m_algorithmformat == 
> > Z_EROFS_COMPRESSION_INTERLACED)
> > +                           rq.interlaced_offset = erofs_blkoff(map.m_la);
> > +
> >                     ret = z_erofs_decompress(&rq);
> >                     if (ret < 0) {
> >                             erofs_err("failed to decompress data of m_pa %" 
> > PRIu64 ", m_plen %" PRIu64 " @ nid %llu: %s",
> > -- 
> > 2.17.1  

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