On Wed, Sep 02, 2009 at 04:36:31PM -0500, Eric Sandeen wrote:
> As Justin & Ric reported, something like this on a
> 22T (sparse) bigfile:
>
> e2fsprogs/misc/mke2fs -E lazy_itable_init=1 \
> -O uninit_bg -b 4096 bigfile
> mount -o loop bigfile mnt/
> for I in `seq 1 5`; do mkdir mnt/$I; done
> umount mnt/
> e2fsprogs/e2fsck/e2fsck -f bigfile
>
> would give us corrupted block group checksums:
>
> <other problems related to uninit snipped>
> One or more block group descriptor checksums are invalid. Fix<y>? yes
>
> Group descriptor 6301 checksum is invalid. FIXED.
> Group descriptor 7799 checksum is invalid. FIXED.
>
> There wer=re a few places which accessed bg_flags directly
> rather than using the helper functions; fixing these seems
> to resolve the problem.
>
> V2: use _flag_clear not _flags_clear, which clears all flags ...
Added to the e2fsprogs 64-bits patch set (and thus the pu branch).
- Ted
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