linux-kernel - [PATCH, XFS] Fix random.h include for non-debug builds

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Date:	Wed, 30 Apr 2008 17:11:16 +1000
From:	David Chinner <dgc@....com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	David Chinner <dgc@....com>, linux-next@...r.kernel.org,
	xfs-masters@....sgi.com, Christoph Hellwig <hch@...radead.org>,
	Lachlan McIlroy <lachlan@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	Linus <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH, XFS] Fix random.h include for non-debug builds

On Wed, Apr 30, 2008 at 04:42:18PM +1000, Stephen Rothwell wrote:
> Hi David,
> 
> On Wed, 30 Apr 2008 16:35:44 +1000 David Chinner <dgc@....com> wrote:
> >
> > Ah, I see the problem - a CONFIG_XFS_DEBUG build includes linux/random.h
> > in a debug header file. That's probably why I didn't catch it (I need to
> > check the .config on my build test tree).
> > 
> > I'll get it fixed properly, but in the mean time the include you've got
> > there will suffice...
> 
> Could you make sure something gets sent to Linus pretty quickly as this
> breaks a lot of the powerpc builds at the moment (see
> http://kisskb.ellerman.id.au/kisskb/branch/3/).

It should break anything that builds a non-debug XFS, not just powerpc.

> Or should I do my patch
> up and sent it?

No, the correct patch is below. Linus, can you please apply?

Cheers,

Dave.

---
Include linux/random.h in all builds, not just debug.


Signed-off-by: Dave Chinner <dgc@....com>
---
 fs/xfs/linux-2.6/xfs_linux.h |    1 +
 fs/xfs/support/debug.h       |    2 --
 2 files changed, 1 insertion(+), 2 deletions(-)

Index: 2.6.x-xfs-new/fs/xfs/linux-2.6/xfs_linux.h
===================================================================
--- 2.6.x-xfs-new.orig/fs/xfs/linux-2.6/xfs_linux.h	2008-04-22 15:06:11.000000000 +1000
+++ 2.6.x-xfs-new/fs/xfs/linux-2.6/xfs_linux.h	2008-04-30 16:38:38.754688626 +1000
@@ -75,6 +75,7 @@
 #include <linux/delay.h>
 #include <linux/log2.h>
 #include <linux/spinlock.h>
+#include <linux/random.h>
 
 #include <asm/page.h>
 #include <asm/div64.h>
Index: 2.6.x-xfs-new/fs/xfs/support/debug.h
===================================================================
--- 2.6.x-xfs-new.orig/fs/xfs/support/debug.h	2007-08-02 22:13:10.000000000 +1000
+++ 2.6.x-xfs-new/fs/xfs/support/debug.h	2008-04-30 16:38:43.518080606 +1000
@@ -49,8 +49,6 @@ extern void assfail(char *expr, char *f,
 
 #else /* DEBUG */
 
-#include <linux/random.h>
-
 #define ASSERT(expr)	\
 	(unlikely(expr) ? (void)0 : assfail(#expr, __FILE__, __LINE__))
 
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