Re: [GIT PULL] Btrfs

[Geert Uytterhoeven <geert@linux-m68k.org>]

On Thu, Sep 12, 2013 at 10:38 PM, Josh Boyer <jwboyer@fedoraproject.org> wrote:
> On Thu, Sep 12, 2013 at 11:36 AM, Chris Mason <chris.mason@fusionio.com> wrote:
>> Mark Fasheh (4):
>>       btrfs: offline dedupe
>
> This commit adds calls to __put_user_unaligned, which causes build
> failures on ARM if btrfs is configured:
>
> + make -s ARCH=arm V=1 -j4 modules
> fs/btrfs/ioctl.c: In function 'btrfs_ioctl_file_extent_same':
> fs/btrfs/ioctl.c:2802:3: error: implicit declaration of function
> '__put_user_unaligned' [-Werror=implicit-function-declaration]
>    if (__put_user_unaligned(info.status, &args->info[i].status) ||
>    ^
> cc1: some warnings being treated as errors
> make[2]: *** [fs/btrfs/ioctl.o] Error 1
> make[1]: *** [fs/btrfs] Error 2
> make[1]: *** Waiting for unfinished jobs....
> make: *** [fs] Error 2
> make: *** Waiting for unfinished jobs....

Cfr. my early warning 10 days ago:

"Btrfs is the first user of __put_user_unaligned() outside the compat code,
hence now all 32-bit architectures should make sure to implement this, too."

http://marc.info/?l=linux-arch&m=137820065929216&w=2

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds