linux-ext4 - Re: [PATCH] shared/289: do not special-case ext3

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Date:	Mon, 27 Apr 2015 10:18:35 -0500
From:	Eric Sandeen <esandeen@...hat.com>
To:	Eryu Guan <eguan@...hat.com>, fstests@...r.kernel.org
CC:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH] shared/289: do not special-case ext3

On 4/27/15 6:34 AM, Eryu Guan wrote:
> Commit "3574531 xfstests: count journal size in test 289" makes ext3 a
> special case, but now it's not the case anymore after kernel commit
> 
> e6d8fb3 ext3: Count internal journal as bsddf overhead in ext3_statfs
> 
> So just remove the special case, now test passes on both ext3 and ext4,
> also ext3 driven by ext4 module.

I think perhaps it was actually:

2046fd1 ext3: Count journal as bsddf overhead in ext3_statfs

(in v3.13) which changed the behavior; the commit you mention only
removes the overhead again for external journals, but your change
below looks fine.

Reviewed-by: Eric Sandeen <sandeen@...hat.com>


.> Signed-off-by: Eryu Guan <eguan@...hat.com>
> ---
>  tests/shared/289 | 13 +------------
>  1 file changed, 1 insertion(+), 12 deletions(-)
> 
> diff --git a/tests/shared/289 b/tests/shared/289
> index c53d38c..96c949d 100755
> --- a/tests/shared/289
> +++ b/tests/shared/289
> @@ -58,18 +58,7 @@ TOTAL_BLOCKS=`dumpe2fs -h $SCRATCH_DEV 2>/dev/null \
>  FREE_BLOCKS=`dumpe2fs -h $SCRATCH_DEV 2>/dev/null \
>  		| awk '/Free blocks:/{print $3}'`
>  
> -# ext3 doesn't count journal blocks as overhead, ext4 does.
> -if [ $FSTYP = "ext3" ]; then
> -	JOURNAL_SIZE=`dumpe2fs -h $SCRATCH_DEV 2>/dev/null \
> -		| awk '/Journal size:/{print $3}' | _filter_size_to_bytes`
> -	BLOCK_SIZE=`dumpe2fs -h $SCRATCH_DEV 2>/dev/null \
> -		| awk '/Block size:/{print $3}'`
> -	JOURNAL_BLOCKS=$(($JOURNAL_SIZE/$BLOCK_SIZE))
> -else
> -	JOURNAL_BLOCKS=0
> -fi
> -
> -OVERHEAD=$(($TOTAL_BLOCKS-$FREE_BLOCKS-$JOURNAL_BLOCKS))
> +OVERHEAD=$(($TOTAL_BLOCKS-$FREE_BLOCKS))
>  
>  #  bsddf|minixdf
>  #         Set the behaviour  for  the  statfs  system  call.  The  minixdf
> 

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