linux-kernel - Re: [PATCH 33/42] MM: extern for drop_pagecache

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Message-Id: <200712131505.lBDF5DVS031168@agora.fsl.cs.sunysb.edu>
Date:	Thu, 13 Dec 2007 10:05:13 -0500
From:	Erez Zadok <ezk@...sunysb.edu>
To:	Adrian Bunk <bunk@...nel.org>
Cc:	Erez Zadok <ezk@...sunysb.edu>, hch@...radead.org,
	viro@....linux.org.uk, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 33/42] MM: extern for drop_pagecache_sb 

In message <20071210140426.GL20441@...sta.de>, Adrian Bunk writes:
> On Sun, Dec 09, 2007 at 09:42:06PM -0500, Erez Zadok wrote:
> > Signed-off-by: Erez Zadok <ezk@...sunysb.edu>
> > ---
> >  include/linux/mm.h |    2 ++
> >  1 files changed, 2 insertions(+), 0 deletions(-)
> > 
> > diff --git a/include/linux/mm.h b/include/linux/mm.h
> > index 1b7b95c..fc61bd3 100644
> > --- a/include/linux/mm.h
> > +++ b/include/linux/mm.h
> >...
> > @@ -1135,6 +1136,7 @@ int drop_caches_sysctl_handler(struct ctl_table *, int, struct file *,
> >  					void __user *, size_t *, loff_t *);
> >  unsigned long shrink_slab(unsigned long scanned, gfp_t gfp_mask,
> >  			unsigned long lru_pages);
> > +extern void drop_pagecache_sb(struct super_block *);
> >  void drop_pagecache(void);
> >  void drop_slab(void);
> 
> This breaks compilation (and therefore bisecting) until the function 
> becomes non-static in patch #36.
> 
> Please merge patches #33 and #36 into one patch.
> 
> That's not terribly important now that you've sent the patches for 
> review, but keep in mind that the tree should compile at all stages for 
> making bisecting possible when preparing the final submission.
> 
> cu
> Adrian

Adrian, having used git-bisect successfully before, I agree with you.  I've
reorganized my patches now, and merged a few small ones, so they all build
incrementally.

Cheers,
Erez.
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