Re: [Ext2-devel] [PATCH 1/9] extents for ext4

[Andreas Dilger]

On Aug 15, 2006  15:40 +0000, Pavel Machek wrote:
> > --- linux-2618-rc4-ext4.orig/include/linux/ext4_fs_extents.h
> > +++ linux-2618-rc4-ext4/include/linux/ext4_fs_extents.h
> > @@ -22,29 +22,29 @@
> >  #include <linux/ext4_fs.h>
> >  
> >  /*
> > - * with AGRESSIVE_TEST defined capacity of index/leaf blocks
> > - * become very little, so index split, in-depth growing and
> > - * other hard changes happens much more often
> > - * this is for debug purposes only
> > + * With AGRESSIVE_TEST defined, the capacity of index/leaf blocks
> > + * becomes very small, so index split, in-depth growing and
> > + * other hard changes happen much more often.
> > + * This is for debug purposes only.
> >   */
> >  #define AGRESSIVE_TEST_
> 
> Using _ for disabling is unusual/nasty.

I've always thought the same.  I'd prefer just commenting out the whole
line.

> Can't we simply #undef it?

Use of #undef is not so great, since that means it isn't possible to
#define this flag in another header, on the make command-line, etc.

Cheers, Andreas
--
Andreas Dilger
Principal Software Engineer
Cluster File Systems, Inc.

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