[Btrfs-devel][PATCH]Minor fix for btrfs_csum_file_block.

[Yan Zheng]

2007/10/30, Chris Mason <chris.mason at oracle.com>:
> I made one small change here:
> > @@ -238,7 +236,7 @@ insert:
> >       csum_offset = 0;
> >       if (found_next) {
> >               u64 tmp = min((u64)i_size_read(inode), next_offset);
> > -             tmp -= offset + root->sectorsize - 1;
> > +             tmp -= offset - root->sectorsize + 1;
>                 tmp -= offset & ~((u64)root->sectorsize - 1);

'offset' is already aligned to sector size,  so this line is
equivalent to 'tmp -= offset'.   I think it's better change this line
to 'tmp = tmp - offset + root->sectorsize - 1'

Regards
YZ