Re: [2.6 patch] fs/jbd/: possible cleanups

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On Mon, Apr 25, 2005 at 04:24:16PM -0600, Andreas Dilger wrote:
> On Apr 23, 2005  01:57 +0200, Adrian Bunk wrote:
> > This patch contains the following possible cleanups:
> > - make needlessly global functions static
> > - #if 0 the following unused global functions:
> >   - journal.c: __journal_internal_check
> 
> >  /* Static check for data structure consistency.  There's no code
> >   * invoked --- we'll just get a linker failure if things aren't right.
> 
> The comment above this function specifically says no code is generated
> here - the purpose of this function is to generate an error if the
> journal superblock is the wrong size (e.g. someone adds fields without
> updating the padding).

Ah, that's the part I didn't understand about it.

I still don't like this creating an empty global function.

What about moving it into one of the other functions (e.g. 
journal_init)?

>...
> >   - journal.c: journal_check_used_features
> 
> I'm not aware of any current users of journal_check_used_features(), but
> the complementary function journal_check_available_features() IS used by
> ext3 and I can imagine that if we ever need to add some more journaling
> features it would be useful instead of mucking in the journal internals.
>...

My patch changes it from a global EXPORT_SYMBOL'ed function to a static 
function.

If ext3 will ever require it undoing my change shouldn't be a problem.

> Cheers, Andreas

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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