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

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Message-ID: <17000722-fd27-9f88-e44b-999f11545b17@kernel.dk>
Date:   Mon, 7 Nov 2016 20:28:08 -0700
From:   Jens Axboe <axboe@...nel.dk>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
        Ming Lei <tom.leiming@...il.com>,
        Christoph Hellwig <hch@....de>
Subject: Re: linux-next: build failure after merge of the block tree

On 11/07/2016 08:21 PM, Stephen Rothwell wrote:
> Hi Jens,
>
> After merging the block tree, today's linux-next build (arm
> multi_v7_defconfig) failed like this:
>
> block/blk-flush.c: In function 'flush_data_end_io':
> block/blk-flush.c:369:20: error: 'REQ_STARTED' undeclared (first use in this function)
>   rq->cmd_flags &= ~REQ_STARTED;
>                     ^
>
> Caused by commit
>
>   e806402130c9 ("block: split out request-only flags into a new namespace")
>
> interacting with commit
>
>   94d7dea448fa ("block: flush: fix IO hang in case of flood fua req")
>
> from Linus' tree (v4.9-rc3).
>
> I have applied the following merge fix patch for today (I don't know if
> this is correct, but it does build):

It's correct, it needs to be applied if merging with master. It will
throw a real conflict as well, but this one tends to fly under the radar
since it merges cleanly.

I'll merge master into my for-next so you don't have to carry extra
patches for this.

-- 
Jens Axboe