Received-SPF: softfail (google.com: domain of transitioning linux-kernel-owner@vger.kernel.org does not designate 23.128.96.19 as permitted sender) client-ip=23.128.96.19;
Message-ID: <52b0a497-fa46-fadd-d6ea-a5d4d5ce90e8@kernel.dk>
Date:   Tue, 8 Mar 2022 19:42:23 -0700
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (X11; Linux aarch64; rv:91.0) Gecko/20100101
 Thunderbird/91.6.1
Subject: Re: linux-next: build failure after merge of the block tree
Content-Language: en-US
From:   Jens Axboe <axboe@kernel.dk>
To:     Stephen Rothwell <sfr@canb.auug.org.au>
Cc:     Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Linux Next Mailing List <linux-next@vger.kernel.org>
References: <20220309131638.26600d10@canb.auug.org.au>
 <fac2395b-9ad7-4c57-3d4a-ce6ba097ffb3@kernel.dk>
In-Reply-To: <fac2395b-9ad7-4c57-3d4a-ce6ba097ffb3@kernel.dk>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Precedence: bulk

On 3/8/22 7:33 PM, Jens Axboe wrote:
> On 3/8/22 7:16 PM, Stephen Rothwell wrote:
>> Hi all,
>>
>> After merging the block tree, today's linux-next build (x86_64
>> allmodconfig) failed like this:
>>
>> In file included from block/blk-mq-debugfs-zoned.c:7:
>> block/blk-mq-debugfs.h:24:42: error: 'struct blk_mq_hw_ctx' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]
>>    24 |                                   struct blk_mq_hw_ctx *hctx);
>>       |                                          ^~~~~~~~~~~~~
>> block/blk-mq-debugfs.h:25:44: error: 'struct blk_mq_hw_ctx' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]
>>    25 | void blk_mq_debugfs_unregister_hctx(struct blk_mq_hw_ctx *hctx);
>>       |                                            ^~~~~~~~~~~~~
>> block/blk-mq-debugfs.h:32:47: error: 'struct blk_mq_hw_ctx' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]
>>    32 |                                        struct blk_mq_hw_ctx *hctx);
>>       |                                               ^~~~~~~~~~~~~
>> block/blk-mq-debugfs.h:33:50: error: 'struct blk_mq_hw_ctx' declared inside parameter list will not be visible outside of this definition or declaration [-Werror]
>>    33 | void blk_mq_debugfs_unregister_sched_hctx(struct blk_mq_hw_ctx *hctx);
>>       |                                                  ^~~~~~~~~~~~~
>> cc1: all warnings being treated as errors
> 
> It just needs a forward declaration. I'll fix it up.

Fixed and pushed out.

-- 
Jens Axboe