[LTP] [PATCH] ftruncate04: require CONFIG_MANDATORY_FILE_LOCKING=y

[Li Wang]

On Mon, Sep 6, 2021 at 4:36 PM Jan Stancek <jstancek@redhat.com> wrote:

> commit f7e33bdbd6d1 ("fs: remove mandatory file locking support")
> removed mandatory file locking support, but mount option
> is still allowed and produces no error. There's a warning
> in dmesg but it's pr_warn_once() so we can't rely to always
> find it there.
>
> Make the test check also for CONFIG_MANDATORY_FILE_LOCKING=y.
>

I'm wondering, if the SUT without CONFIG_MANDATORY_FILE_LOCKING
enabling, why the mount-check in setup() didn't report EPERM?

And, should we drop the mount-check for EPERM from setup after adding
this .needs_kconfigs?

-- 
Regards,
Li Wang
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