Re: [PATCH blktests 2/3] common/rc: add one function to get test dev size in mb

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On Tue, Oct 25, 2022 at 10:29 AM Shinichiro Kawasaki
<shinichiro.kawasaki@xxxxxxx> wrote:
>
> On Oct 24, 2022 / 14:13, Yi Zhang wrote:
>
> Short explanation will help to understand why we do this: something like,
>
>   nvme/035 has minimum TEST_DEV size requirement. Add a helper
>   function to check it.
>
> > Signed-off-by: Yi Zhang <yi.zhang@xxxxxxxxxx>
> > ---
> >  common/rc | 8 ++++++++
> >  1 file changed, 8 insertions(+)
> >
> > diff --git a/common/rc b/common/rc
> > index e490041..847be1b 100644
> > --- a/common/rc
> > +++ b/common/rc
> > @@ -324,6 +324,14 @@ _get_pci_parent_from_blkdev() {
> >               tail -2 | head -1
> >  }
> >
> > +_get_test_dev_size_mb() {
> > +     local test_dev_sz
>
> Nit: one empty line will make it easier to read.
>
> > +     test_dev_sz=$(blockdev --getsize64 "$TEST_DEV")
> > +
> > +     echo $((test_dev_sz / 1024 / 1024))
> > +
>
> Nit: an empty line not needed.
>
> > +}
> > +
>
> I suggest to improve this new function to _require_test_dev_size_mb(). It takes
> 1st argument as the minimum size size in MB, and if TEST_DEV size is smaller
> than that, it set SKIP_REASON and return 1. We can add device_requires() to
> nvme/035 to call _require_test_dev_size_mb(). This will skip the test case when
> the TEST_DEV is small, and do not report it as a failure.
>
> I also suggest to include nvme/035 change for the size check in this patch. I
> think one shot change for function addition and function call will be simpler
> for this charge.

Yeah, that looks better, I already send V2 to fix it, thanks.

>
> >  _require_test_dev_in_hotplug_slot() {
> >       local parent
> >       parent="$(_get_pci_parent_from_blkdev)"
> > --
> > 2.34.1
> >
>
> --
> Shin'ichiro Kawasaki
>


-- 
Best Regards,
  Yi Zhang




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