linux-kernel - Re: [PATCH] udf: use ext2_find_next

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Date:	Sun, 28 Feb 2010 11:04:12 +0100
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Akinobu Mita <akinobu.mita@...il.com>
Cc:	Jan Kara <jack@...e.cz>, linux-kernel@...r.kernel.org,
	Linux-Next <linux-next@...r.kernel.org>
Subject: Re: [PATCH] udf: use ext2_find_next_bit

On Thu, Feb 25, 2010 at 15:29, Akinobu Mita <akinobu.mita@...il.com> wrote:
> 2010/2/25 Geert Uytterhoeven <geert@...ux-m68k.org>:
>> On Thu, Feb 25, 2010 at 02:38, Akinobu Mita <akinobu.mita@...il.com> wrote:
>>> 2010/2/25 Jan Kara <jack@...e.cz>:
>>>> On Tue 23-02-10 23:11:13, Akinobu Mita wrote:
>>>>> Use ext2_find_next_bit (generic_find_next_le_bit) to find the set bit
>>>>> in little endian bitmap region.
>>
>> Is any of this in linux-next now?
>>
>> http://kisskb.ellerman.id.au/kisskb/buildresult/2208481/
>> | fs/udf/balloc.c:274: error: implicit declaration of function
>> 'generic_find_next_le_bit'
>
> Yep, Jan's patch caused the build breakage.
>
> Because generic_find_next_le_bit() is not available for all
> archtectures. So we should use ext2_find_next_bit() here.

Most architectures use the definitions in asm-generic, so they're OK.
M68k doesn't. S390 is also affected, and I think arm as well (but there's no
arm all-modconfig build in linux-next, so I'm not 100% sure).

I'm cooking a patch...

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-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
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