Re: [PATCH 3/6] xfs/078: remove the 512 byte block size sub-case

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On Mon, Apr 08, 2024 at 03:32:40PM +0200, Christoph Hellwig wrote:
> 512 byte block sizes are only supported for v4 file systems, and
> xfs/078 crudely forces use of v4 file systems for it.  This doesn't
> work if the kernel is built without v4 support.  Given that v4
> support is slowly being phased out and 512 byte block sizes have never
> been common, drop this part of the test.

I've long wondered just how many people actually used that blocksize...

> Signed-off-by: Christoph Hellwig <hch@xxxxxx>
> ---
>  tests/xfs/078     |  9 ++-------
>  tests/xfs/078.out | 18 ------------------
>  2 files changed, 2 insertions(+), 25 deletions(-)
> 
> diff --git a/tests/xfs/078 b/tests/xfs/078
> index 1f475c963..501551e5e 100755
> --- a/tests/xfs/078
> +++ b/tests/xfs/078
> @@ -69,12 +69,8 @@ _grow_loop()
>  	echo
>  
>  	echo "*** mkfs loop file (size=$original)"
> -	mkfs_crc_opts=""
> -	if [ $bsize -lt 1024 -a -z "$XFS_MKFS_HAS_NO_META_SUPPORT" ]; then
> -		mkfs_crc_opts="-m crc=0"
> -	fi

...because this was particularly nasty.  Why wouldn't this test have
skipped this iteration if the fs config doesn't support 512 blocksizes?

Who cares.  Anyway,
Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx>

--D

> -	$MKFS_XFS_PROG $mkfs_crc_opts -b size=$bsize $dparam $LOOP_DEV \
> -		| _filter_mkfs 2>/dev/null
> +	$MKFS_XFS_PROG -b size=$bsize $dparam $LOOP_DEV | \
> +		_filter_mkfs 2>/dev/null
>  
>  	echo "*** extend loop file"
>  	_destroy_loop_device $LOOP_DEV
> @@ -104,7 +100,6 @@ _grow_loop $((168024*4096)) 1376452608 4096 1
>  
>  # Some other blocksize cases...
>  _grow_loop $((168024*2048)) 1376452608 2048 1
> -_grow_loop $((168024*512)) 1376452608 512 1 16m
>  _grow_loop $((168024*1024)) 688230400 1024 1
>  
>  # Other corner cases suggested by dgc
> diff --git a/tests/xfs/078.out b/tests/xfs/078.out
> index cc3c47d13..7bf5ed03e 100644
> --- a/tests/xfs/078.out
> +++ b/tests/xfs/078.out
> @@ -37,24 +37,6 @@ data blocks changed from 168024 to 672096
>  *** unmount
>  *** check
>  
> -=== GROWFS (from 86028288 to 1376452608, 512 blocksize)
> -
> -*** mkfs loop file (size=86028288)
> -meta-data=DDEV isize=XXX agcount=N, agsize=XXX blks
> -data     = bsize=XXX blocks=XXX, imaxpct=PCT
> -         = sunit=XXX swidth=XXX, unwritten=X
> -naming   =VERN bsize=XXX
> -log      =LDEV bsize=XXX blocks=XXX
> -realtime =RDEV extsz=XXX blocks=XXX, rtextents=XXX
> -*** extend loop file
> -wrote 512/512 bytes at offset 1376452608
> -*** mount loop filesystem
> -*** grow loop filesystem
> -xfs_growfs --BlockSize=512 --Blocks=163840
> -data blocks changed from 163840 to 2688384
> -*** unmount
> -*** check
> -
>  === GROWFS (from 172056576 to 688230400, 1024 blocksize)
>  
>  *** mkfs loop file (size=172056576)
> -- 
> 2.39.2
> 
> 




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