linux-kernel - Re: md: dm-writeback: add __noreturn to BUG-ging function

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Message-ID: <3116ea60-1dc3-9c15-31ec-5ce8ef72ba1a@infradead.org>
Date:   Wed, 18 Nov 2020 08:38:27 -0800
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Christian Borntraeger <borntraeger@...ibm.com>,
        Mike Snitzer <snitzer@...hat.com>
Cc:     linux-kernel@...r.kernel.org,
        Mikulas Patocka <mpatocka@...hat.com>,
        Alasdair Kergon <agk@...hat.com>, dm-devel@...hat.com,
        Heiko Carstens <hca@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>, linux-s390@...r.kernel.org
Subject: Re: md: dm-writeback: add __noreturn to BUG-ging function

On 11/18/20 8:35 AM, Christian Borntraeger wrote:
> 
> 
> On 18.11.20 17:07, Mike Snitzer wrote:
>> On Wed, Nov 18 2020 at 10:49am -0500,
>> Mike Snitzer <snitzer@...hat.com> wrote:
>>
>>> I don't think my suggestion will help.. given it'd still leave
>>> persistent_memory_claim() without a return statement.
>>>
>>> Think it worthwhile to just add a dummy 'return 0;' after the BUG().
>>
>> Decided to go with this, now staged for 5.11:
>> https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git/commit/?h=dm-5.11&id=a1e4865b4dda7071f3707f7e551289ead66e38b1
>>
> 
> Looks like a sane solution. Thank you for following up.

Yes, thanks again.

-- 
~Randy