Re: [PATCH] xfs/126: make blocktrash work reliably on attrleaf blocks

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On Tue, Apr 21, 2020 at 01:36:43PM +0200, Anthony Iliopoulos wrote:
> Running xfs/126 sometimes fails due to output mismatch. Due to the
> randomized nature of the test, periodically the selected bits are not
> relevant to the test, or the selected bits are not flipped. Supply an
> offset that is close to the start of the metadata block, so that the
> test will reliably corrupt the header.
> 
> Suggested-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
> Link: https://lore.kernel.org/linux-xfs/20200116160323.GC2149943@magnolia
> Signed-off-by: Anthony Iliopoulos <ailiop@xxxxxxxx>

Seems fine to me...
Reviewed-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>

--D

> ---
>  tests/xfs/126 | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tests/xfs/126 b/tests/xfs/126
> index 4f9f8cf9..d01338c9 100755
> --- a/tests/xfs/126
> +++ b/tests/xfs/126
> @@ -72,7 +72,7 @@ echo "+ corrupt xattr"
>  loff=1
>  while true; do
>  	_scratch_xfs_db -x -c "inode ${inode}" -c "ablock ${loff}" -c "stack" | grep -q 'file attr block is unmapped' && break
> -	_scratch_xfs_db -x -c "inode ${inode}" -c "ablock ${loff}" -c "stack" -c "blocktrash -x 32 -y $((blksz * 8)) -z ${FUZZ_ARGS}" >> $seqres.full
> +	_scratch_xfs_db -x -c "inode ${inode}" -c "ablock ${loff}" -c "stack" -c "blocktrash -o 4 -x 32 -y $((blksz * 8)) -z ${FUZZ_ARGS}" >> $seqres.full
>  	loff="$((loff + 1))"
>  done
>  
> -- 
> 2.26.2
> 



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