linux-kernel - Re: [PATCH v4 08/25] kernel: Add combined power-off+restart handler call chain API

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Message-ID: <1fa2d9d5-f5f6-77f5-adf6-827921acce49@gmail.com>
Date:   Mon, 29 Nov 2021 00:53:51 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Michał Mirosław <mirq-linux@...e.qmqm.pl>
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Subject: Re: [PATCH v4 08/25] kernel: Add combined power-off+restart handler
 call chain API

29.11.2021 00:17, Michał Mirosław пишет:
>> I'm having trouble with parsing this comment. Could you please try to
>> rephrase it? I don't see how you could check whether power-off handler
>> is available if you'll mix all handlers together.
> If notify_call_chain() would be fixed to return NOTIFY_OK if any call
> returned NOTIFY_OK, then this would be a clear way to gather the
> answer if any of the handlers will attempt the final action (reboot or
> power off).
> 

Could you please show a code snippet that implements your suggestion?