linux-kernel - Re: linux-next: build failure after merge of the ext4 tree

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Date:	Thu, 4 Apr 2013 15:18:32 +0200 (CEST)
From:	Lukáš Czerner <lczerner@...hat.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
cc:	"Theodore Ts'o" <tytso@....edu>, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org, Lukas Czerner <lczerner@...hat.com>
Subject: Re: linux-next: build failure after merge of the ext4 tree

On Thu, 4 Apr 2013, Stephen Rothwell wrote:

> Date: Thu, 4 Apr 2013 10:43:19 +1100
> From: Stephen Rothwell <sfr@...b.auug.org.au>
> To: Theodore Ts'o <tytso@....edu>
> Cc: linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
>     Lukas Czerner <lczerner@...hat.com>
> Subject: linux-next: build failure after merge of the ext4 tree
> 
> Hi Ted,
> 
> After merging the ext4 tree, today's linux-next build (powerpc
> ppc64_defconfig) failed like this:
> 
> fs/ext4/resize.c: In function 'ext4_resize_fs':
> fs/ext4/ext4.h:1799:21: sorry, unimplemented: inlining failed in call to 'ext4_get_group_number': function body not available
> fs/ext4/resize.c:1882:10: sorry, unimplemented: called from here
> fs/ext4/ext4.h:1799:21: sorry, unimplemented: inlining failed in call to 'ext4_get_group_number': function body not available
> fs/ext4/resize.c:275:9: sorry, unimplemented: called from here
> fs/ext4/ext4.h:1799:21: sorry, unimplemented: inlining failed in call to 'ext4_get_group_number': function body not available
> fs/ext4/resize.c:287:9: sorry, unimplemented: called from here
> fs/ext4/ext4.h:1799:21: sorry, unimplemented: inlining failed in call to 'ext4_get_group_number': function body not available
> fs/ext4/resize.c:299:9: sorry, unimplemented: called from here
> fs/ext4/mballoc.c: In function 'ext4_mb_release_context':
> fs/ext4/ext4.h:1799:21: sorry, unimplemented: inlining failed in call to 'ext4_get_group_number': function body not available
> fs/ext4/mballoc.c:3347:6: sorry, unimplemented: called from here

I am afraid I do not understand why this is happening. The commit
simply replaces ext4_get_group_no_and_offset() with
ext4_get_group_number() which has the similar definition in the same
header file. Maybe someone knows what this is all about ?

> 
> Caused by commit dc351389caa5 ("ext4: introduce ext4_get_group_number()").
> 
> This build was done with gcc 4.6.3 if that matters.
> 
> I have used the ext4 tree from next-20130403 for today.
> 
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