On Thu, 9 Jun 2022 15:11:23 -0600
Logan Gunthorpe <logang@xxxxxxxxxxxx> wrote:
> The commit noted below changed the behaviour of --write-behind to
> require an argument. This broke the 06wrmostly test with the error:
>
> mdadm: Invalid value for maximum outstanding write-behind writes: (null).
> Must be between 0 and 16383.
>
> To fix this, check if optarg is NULL before parising it, as the origial
> code did.
>
> Fixes: 60815698c0ac ("Refactor parse_num and use it to parse optarg.")
> Cc: Mateusz Grzonka <mateusz.grzonka@xxxxxxxxx>
> Signed-off-by: Logan Gunthorpe <logang@xxxxxxxxxxxx>
> ---
Acked-by: Mariusz Tkaczyk <mariusz.tkaczyk@xxxxxxxxxxxxxxx>
