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From: Jens Axboe <axboe@kernel.dk>
To: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Linux Next Mailing List <linux-next@vger.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Pavel Begunkov <asml.silence@gmail.com>
Subject: Re: linux-next: build warning after merge of the block tree
Date: Tue, 3 Mar 2020 20:01:24 -0700
Message-ID: <cd8154ef-bb6f-aa7c-2553-582f0b497516@kernel.dk> (raw)
In-Reply-To: <20200304131750.55d84beb@canb.auug.org.au>

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.

-- 
Jens Axboe


  reply index

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-04  2:17 Stephen Rothwell
2020-03-04  3:01 ` Jens Axboe [this message]
2020-03-04 12:50   ` Pavel Begunkov
  -- strict thread matches above, loose matches on Subject: below --
2020-01-31  0:16 Stephen Rothwell
2020-01-31  0:25 ` Jens Axboe
2020-01-16  0:54 Stephen Rothwell
2020-01-16  4:50 ` Jens Axboe
2019-10-18  0:51 Stephen Rothwell
2019-10-18  0:56 ` Jens Axboe
2019-10-18  0:59   ` Jens Axboe
2019-10-18  3:58   ` Stephen Rothwell
2019-08-29  3:51 Stephen Rothwell
2019-08-29  4:08 ` Stephen Rothwell
2019-08-29 15:41   ` Tejun Heo
2019-08-29 15:44     ` Jens Axboe
2019-08-09  4:00 Stephen Rothwell
2019-08-09  4:13 ` Jens Axboe
2019-08-09  6:15 ` Yuehaibing
2019-04-17  2:31 Stephen Rothwell
2019-04-17 10:05 ` Chao Yu
2019-04-17 14:03   ` Jaegeuk Kim
2019-04-18  0:57     ` Chao Yu
2019-04-18 14:01       ` Jaegeuk Kim
2019-04-19  1:14         ` Chao Yu
2018-11-08  3:31 Stephen Rothwell
2018-11-08  4:19 ` Jens Axboe
2018-09-28  1:11 Stephen Rothwell
2018-09-28  6:43 ` Omar Sandoval
2018-09-28 14:26   ` Jens Axboe
2018-05-31  3:49 Stephen Rothwell
2018-05-14  2:51 Stephen Rothwell
2018-05-14  8:29 ` Christoph Hellwig
2018-05-14 14:31   ` Jens Axboe
2017-05-10  1:24 Stephen Rothwell
2017-05-10  2:20 ` Markus Trippelsdorf
2017-05-10  3:00   ` Jens Axboe
2017-05-10  6:19     ` Markus Trippelsdorf
2017-05-10  3:26   ` Stephen Rothwell
2014-10-23  1:28 Stephen Rothwell
2014-10-23  2:14 ` Jens Axboe
2013-09-23  4:29 Stephen Rothwell
2011-05-09  3:49 Stephen Rothwell
2011-05-09  5:55 ` Tao Ma
2011-05-09  6:34   ` Jens Axboe
2010-12-20  4:31 Stephen Rothwell
2010-12-20  4:42 ` Stephen Rothwell
2010-12-20  8:12   ` Jens Axboe
2010-09-16  3:30 Stephen Rothwell
2010-04-29  6:14 Stephen Rothwell
2010-04-29  7:28 ` Jens Axboe

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