Re: [PATCH 3/3] xfs/008: use block size instead of the pagesize

[Date Prev] [Date Next] [Thread Prev] [Thread Next] [Date Index] [Thread Index]



On Mon, May 06, 2024 at 05:01:19PM +0200, Pankaj Raghav (Samsung) wrote:
> From: Pankaj Raghav <p.raghav@xxxxxxxxxxx>
> 
> The testcase estimates to have ratio of 1:3/4 for holes:filesize. This
> holds true where the blocksize is always less than or equal to pagesize
> and the total size of the file is calculated based on the pagesize.
> There is an implicit assumption that blocksize will always be less than
> the pagesize.
> 
> LBS support will enable bs > ps where a minimum IO size is one block,
> which can be greater than a page. Adjust the size calculation to be
> based on the blocksize and not the pagesize.
> 
> Signed-off-by: Pankaj Raghav <p.raghav@xxxxxxxxxxx>
> ---

Looks good to me, thanks!

Reviewed-by: Zorro Lang <zlang@xxxxxxxxxx>

>  tests/xfs/008     | 19 ++++++++++---------
>  tests/xfs/008.out |  8 ++++----
>  2 files changed, 14 insertions(+), 13 deletions(-)
> 
> diff --git a/tests/xfs/008 b/tests/xfs/008
> index e7d6153b..e37e435a 100755
> --- a/tests/xfs/008
> +++ b/tests/xfs/008
> @@ -11,7 +11,8 @@ _begin_fstest rw ioctl auto quick
>  
>  status=0	# success is the default!
>  pgsize=`$here/src/feature -s`
> -
> +fileblksize=$(_get_file_block_size "$TEST_DIR")
> +blksize=$((fileblksize > pgsize ? fileblksize : pgsize))
>  # Override the default cleanup function.
>  _cleanup()
>  {
> @@ -21,7 +22,7 @@ _cleanup()
>  
>  _filter()
>  {
> -    sed -e "s/-b $pgsize/-b PGSIZE/g" \
> +    sed -e "s/-b $blksize/-b BLKSIZE/g" \
>  	-e "s/-l .* -c/-l FSIZE -c/g"
>  }
>  
> @@ -73,17 +74,17 @@ _require_test
>  # We are trying to create roughly 50 or 100 holes in a file
>  # using random writes. Assuming a good distribution of 50 writes
>  # in a file, the file only needs to be 3-4x the size of the write
> -# size muliplied by the number of writes. Hence we use 200 * pgsize
> -# for files we want 50 holes in and 400 * pgsize for files we want
> +# size muliplied by the number of writes. Hence we use 200 * blksize
> +# for files we want 50 holes in and 400 * blksize for files we want
>  # 100 holes in. This keeps the runtime down as low as possible.
>  #
> -_do_test 1 50 "-l `expr 200 \* $pgsize` -c 50 -b $pgsize"
> -_do_test 2 100 "-l `expr 400 \* $pgsize` -c 100 -b $pgsize"
> -_do_test 3 100 "-l `expr 400 \* $pgsize` -c 100 -b 512"   # test partial pages
> +_do_test 1 50 "-l `expr 200 \* $blksize` -c 50 -b $blksize"
> +_do_test 2 100 "-l `expr 400 \* $blksize` -c 100 -b $blksize"
> +_do_test 3 100 "-l `expr 400 \* $blksize` -c 100 -b 512"   # test partial blocks
>  
>  # rinse, lather, repeat for direct IO
> -_do_test 4 50 "-d -l `expr 200 \* $pgsize` -c 50 -b $pgsize"
> -_do_test 5 100 "-d -l `expr 400 \* $pgsize` -c 100 -b $pgsize"
> +_do_test 4 50 "-d -l `expr 200 \* $blksize` -c 50 -b $blksize"
> +_do_test 5 100 "-d -l `expr 400 \* $blksize` -c 100 -b $blksize"
>  # note: direct IO requires page aligned IO
>  
>  # todo: realtime.
> diff --git a/tests/xfs/008.out b/tests/xfs/008.out
> index 5e3ae8e3..0941e218 100644
> --- a/tests/xfs/008.out
> +++ b/tests/xfs/008.out
> @@ -1,10 +1,10 @@
>  QA output created by 008
>  
> -randholes.1 : -l FSIZE -c 50 -b PGSIZE
> +randholes.1 : -l FSIZE -c 50 -b BLKSIZE
>  ------------------------------------------
>  holes is in range
>  
> -randholes.2 : -l FSIZE -c 100 -b PGSIZE
> +randholes.2 : -l FSIZE -c 100 -b BLKSIZE
>  ------------------------------------------
>  holes is in range
>  
> @@ -12,10 +12,10 @@ randholes.3 : -l FSIZE -c 100 -b 512
>  ------------------------------------------
>  holes is in range
>  
> -randholes.4 : -d -l FSIZE -c 50 -b PGSIZE
> +randholes.4 : -d -l FSIZE -c 50 -b BLKSIZE
>  ------------------------------------------
>  holes is in range
>  
> -randholes.5 : -d -l FSIZE -c 100 -b PGSIZE
> +randholes.5 : -d -l FSIZE -c 100 -b BLKSIZE
>  ------------------------------------------
>  holes is in range
> -- 
> 2.34.1
> 





[Index of Archives]     [Linux Filesystems Development]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux