Re: linux-next: build warning after merge of the block tree

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On 04/03/2020 06:01, Jens Axboe wrote:
> On 3/3/20 7:17 PM, Stephen Rothwell wrote:
>> Hi all,
>>
>> After merging the block tree, today's linux-next build (powerpc
>> ppc64_defconfig) produced this warning:
>>
>> fs/io_uring.c: In function 'io_close':
>> fs/io_uring.c:3415:3: warning: ignoring return value of 'refcount_inc_not_zero', declared with attribute warn_unused_result [-Wunused-result]
>>  3415 |   refcount_inc_not_zero(&req->refs);
>>       |   ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>>
>> Introduced by commit
>>
>>   62e0c6b73a2c ("io_uring: make submission ref putting consistent")
> 
> That should just be a refcount_inc() and also looks like it should happen
> before the async queue. I'll fix it up.

Yes, it's better to. Thanks!


-- 
Pavel Begunkov



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