Re: [PATCH] md: allow metadata updates while suspending an array - fix

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On Wed, Oct 3, 2018 at 7:04 AM NeilBrown <neilb@xxxxxxxx> wrote:
>
>
> Commit 35bfc52187f6 ("md: allow metadata update while suspending.")
> added support for allowing md_check_recovery() to still perform
> metadata updates while the array is entering the 'suspended' state.
> This is needed to allow the processes of entering the state to
> complete.
>

Hi,

Could anybody please inform me how to test this patch?

I would like to know how I can check "Commit 35bfc52187f6 ("md: allow
metadata update while suspending.")" does not work
and check this patch does work on my system.
That is because there is a similar problem on my system.
I would like to check that the problem on my system could be fixed by
this patch.

> Unfortunately, the patch doesn't really work.  The test for

Could you inform me what "The test" is?

> "mddev->suspended" at the start of md_check_recovery() means that the
> function doesn't try to do anything at all while entering suspend.


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