Re: [PATCH] allocate struct ext4_allocation_context from a kmem cache to save stack space

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On Fri, 2008-02-08 at 09:45 -0600, Dave Kleikamp wrote:
> On Thu, 2008-02-07 at 20:35 -0600, Eric Sandeen wrote:
> > Mingming Cao wrote:
> > > On Thu, 2008-02-07 at 19:06 -0600, Eric Sandeen wrote:
> > >> Mingming Cao wrote:
> > >>
> > >>> Do you intend to remove the #ifdef CONFIG_PROC_FS, or it's a accident? I
> > >>> think we need keep that to allow ext4 build without procfs configured.
> > >>>
> > >>> Other than this, the patch looks fine to me.:)
> > >> oh, it kind of snuck in.  It actually should still build, as
> > >> remove_proc_entry is a no-op function w/o the config option.
> > > 
> > > Oh, I mean the proc_mkdir(EXT4_ROOT, proc_root_fs) will complain w/o
> > > CONFIG_PROC_FS configured.
> > > 
> > > Mingming
> > > 
> > 
> > it'll build:
> > 
> > static inline struct proc_dir_entry *proc_mkdir(const char *name,
> >         struct proc_dir_entry *parent) {return NULL;}
> > 
> > yes, it'll issue a printk though.  *shrug*
> > 
printk could be removed...so as long as it builds fine. I had looked at
the history yesterday and find this fix
http://lists.openwall.net/linux-ext4/2007/10/10/2
so I was under impression that the ifdefs was added to fix compile
issue. I did not look more closely. Maybe that's not a issue any more.

> > I like fewer #ifdefs better than more, but doesn't matter much to me.
> 

Oh, I prefer fewer #ifdefs too.:-)

> It's strongly encouraged to avoid unnecessary ifdefs.  (Does Christoph
> read this list?)  In my opinion, the decision is whether or not to just
> remove the printk.
> 

Mingming
> Shaggy

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