linux-kernel - Re: [-mm patch] fix unionfs compilation

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Date:	Sat, 5 May 2007 21:09:01 +0200
From:	Adrian Bunk <bunk@...sta.de>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	jsipek@...sunysb.edu, Christoph Lameter <clameter@....com>,
	linux-kernel@...r.kernel.org, unionfs@...esystems.org
Subject: Re: [-mm patch] fix unionfs compilation

On Sat, May 05, 2007 at 11:57:18AM -0700, Andrew Morton wrote:
> On Sat, 5 May 2007 19:00:12 +0200 Adrian Bunk <bunk@...sta.de> wrote:
> 
> > On Sat, May 05, 2007 at 01:49:55AM -0700, Andrew Morton wrote:
> > >...
> > > Changes since 2.6.21-rc7-mm2:
> > >...
> > >  git-unionfs.patch
> > >...
> > >  git trees
> > >...
> > 
> > <--  snip  -->
> > 
> > ...
> >   CC      fs/unionfs/super.o
> > /home/bunk/linux/kernel-2.6/linux-2.6.21-mm1/fs/unionfs/super.c: In function ‘init_once’:
> > /home/bunk/linux/kernel-2.6/linux-2.6.21-mm1/fs/unionfs/super.c:822: error: ‘SLAB_CTOR_VERIFY’ undeclared (first use in this function)
> > /home/bunk/linux/kernel-2.6/linux-2.6.21-mm1/fs/unionfs/super.c:822: error: (Each undeclared identifier is reported only once
> > /home/bunk/linux/kernel-2.6/linux-2.6.21-mm1/fs/unionfs/super.c:822: error: for each function it appears in.)
> > make[3]: *** [fs/unionfs/super.o] Error 1
> > 
> > <--  snip  -->
> > 
> > Signed-off-by: Adrian Bunk <bunk@...sta.de>
> > 
> > ---
> > --- linux-2.6.21-mm1/fs/unionfs/super.c.old	2007-05-05 18:45:25.000000000 +0200
> > +++ linux-2.6.21-mm1/fs/unionfs/super.c	2007-05-05 18:46:03.000000000 +0200
> > @@ -819,8 +819,7 @@
> >  {
> >  	struct unionfs_inode_info *i = v;
> >  
> > -	if ((flags & (SLAB_CTOR_VERIFY | SLAB_CTOR_CONSTRUCTOR)) ==
> > -	    SLAB_CTOR_CONSTRUCTOR)
> > +	if (flags & SLAB_CTOR_CONSTRUCTOR)
> >  		inode_init_once(&i->vfs_inode);
> >  }
> 
> Bah, that was hidden from my allmodconfig because CONFIG_UNIONFS is inexplicably
> dependent upon CONFIG_SLAB.
> 
> How come?

http://lkml.org/lkml/2007/2/19/326

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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