linux-kernel - Re: [PATCH] btrfs: select FS

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Message-ID: <20200528120509.GM18421@twin.jikos.cz>
Date:   Thu, 28 May 2020 14:05:09 +0200
From:   David Sterba <dsterba@...e.cz>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Chris Mason <clm@...com>, Josef Bacik <josef@...icpanda.com>,
        David Sterba <dsterba@...e.com>,
        Goldwyn Rodrigues <rgoldwyn@...e.com>,
        Johannes Thumshirn <jthumshirn@...e.de>,
        YueHaibing <yuehaibing@...wei.com>, linux-btrfs@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] btrfs: select FS_IOMAP

On Thu, May 28, 2020 at 11:16:42AM +0200, Arnd Bergmann wrote:
> As btrfs now calls iomap_dio_rw, the helper code actually has
> to be enabled to avoid a link error:
> 
> ERROR: modpost: "iomap_dio_rw" [fs/btrfs/btrfs.ko] undefined!
> 
> Fixes: f31e5f70919f ("btrfs: switch to iomap_dio_rw() for dio")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>

Thanks, I've folded the patch in so we don't get build breakage in the
patches between the two.