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Subject: Re: linux-next: build failure after merge of the block tree
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: <20210223124236.7bdf0871@canb.auug.org.au>
From:   Jens Axboe <axboe@kernel.dk>
Message-ID: <0c64e6f1-e793-5def-af03-c66221d6b4c4@kernel.dk>
Date:   Mon, 22 Feb 2021 19:32:40 -0700
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On 2/22/21 6:42 PM, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the block tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:
> 
> fs/io_uring.c: In function 'io_sq_thread':
> fs/io_uring.c:6787:3: error: implicit declaration of function 'io_ctx_disable_sqo_submit' [-Werror=implicit-function-declaration]
>  6787 |   io_ctx_disable_sqo_submit(ctx);
>       |   ^~~~~~~~~~~~~~~~~~~~~~~~~
> 
> Caused by commit
> 
>   a6afa091d06a ("io_uring: move SQPOLL thread io-wq forked worker")
> 
> I have used the block tree from next-20210222 for today.

You got very unlucky, that bad commit only lasted for about 1-2 min.

-- 
Jens Axboe