Re: [PATCH v2 05/11] iotests/common.rc: add disk_usage function

[Alexander Ivanov <alexander.ivanov@virtuozzo.com>]

On 5/13/24 08:31, Andrey Drobyshev wrote:
> Move the definition from iotests/250 to common.rc.  This is used to
> detect real disk usage of sparse files.  In particular, we want to use
> it for checking subclusters-based discards.
>
> Signed-off-by: Andrey Drobyshev <andrey.drobyshev@virtuozzo.com>
> ---
>   tests/qemu-iotests/250       | 5 -----
>   tests/qemu-iotests/common.rc | 6 ++++++
>   2 files changed, 6 insertions(+), 5 deletions(-)
>
> diff --git a/tests/qemu-iotests/250 b/tests/qemu-iotests/250
> index af48f83aba..c0a0dbc0ff 100755
> --- a/tests/qemu-iotests/250
> +++ b/tests/qemu-iotests/250
> @@ -52,11 +52,6 @@ _unsupported_imgopts data_file
>   # bdrv_co_truncate(bs->file) call in qcow2_co_truncate(), which might succeed
>   # anyway.
>   
> -disk_usage()
> -{
> -    du --block-size=1 $1 | awk '{print $1}'
> -}
> -
>   size=2100M
>   
>   _make_test_img -o "cluster_size=1M,preallocation=metadata" $size
> diff --git a/tests/qemu-iotests/common.rc b/tests/qemu-iotests/common.rc
> index 95c12577dd..237f746af8 100644
> --- a/tests/qemu-iotests/common.rc
> +++ b/tests/qemu-iotests/common.rc
> @@ -140,6 +140,12 @@ _optstr_add()
>       fi
>   }
>   
> +# report real disk usage for sparse files
> +disk_usage()
> +{
> +    du --block-size=1 "$1" | awk '{print $1}'
> +}
> +
>   # Set the variables to the empty string to turn Valgrind off
>   # for specific processes, e.g.
>   # $ VALGRIND_QEMU_IO= ./check -qcow2 -valgrind 015
Reviewed-by: Alexander Ivanov <alexander.ivanov@virtuozzo.com>

-- 
Best regards,
Alexander Ivanov