Re: [PATCH blktests 1/2] loop/009: only skip on a genuinely unrecognized --ping option

[Shin'ichiro Kawasaki <shinichiro.kawasaki@wdc.com>]

On Jul 21, 2026 / 18:04, Sebastian Chlad wrote:
> udevadm control --ping can also fail when udevd is busy or unresponsive
> not only when the option is genuinely unsupported. Treating any failure
> as "unsupported" risked masking a real udevd problem behind a
> misleading skip reason instead of letting the test run and report it.
> 
> Signed-off-by: Sebastian Chlad <sebastian.chlad@suse.com>
> ---
>  tests/loop/009 | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/tests/loop/009 b/tests/loop/009
> index d3c7991..944f53b 100755
> --- a/tests/loop/009
> +++ b/tests/loop/009
> @@ -11,7 +11,7 @@ DESCRIPTION="check that LOOP_CONFIGURE sends uevents for partitions"
>  QUICK=1
>  
>  requires() {
> -	if ! udevadm control --ping >& /dev/null; then
> +	if ! udevadm control --help 2>&1 | grep -q -- '--ping'; then

I applied this patch. FYI, I took the liberty to replace the short option -q
above with the long option --quiet. Thanks!