[PATCH 21/23] xfs: aio cow tests

[Dave Chinner]

On Mon, Feb 08, 2016 at 05:14:01PM -0800, Darrick J. Wong wrote:
.,,,
> +
> +echo "Check for damage"
> +_dmerror_unmount
> +_dmerror_cleanup
> +_repair_scratch_fs >> "$seqres.full" 2>&1

Are you testing repair here? If so, why doesn't failure matter.
If not, why do it? Or is _require_scratch_nocheck all that is needed
here?

> +echo "CoW and unmount"
> +"$XFS_IO_PROG" -f -c "pwrite -S 0x63 $((blksz * bsz)) 1" "$testdir/file2" >> "$seqres.full"
> +"$XFS_IO_PROG" -f -c "pwrite -S 0x63 -b $((blksz * bsz)) 0 $((blksz * nr))" "$TEST_DIR/moo" >> "$seqres.full"

offset = block size times block size?

I think some better names might be needed...

Cheers,

Dave.
-- 
Dave Chinner
david at fromorbit.com