Re: 2.6.12-rc1-mm1: REISER4_FS <-> 4KSTACKS

[Adrian Bunk]

On Tue, Mar 22, 2005 at 07:56:05PM +0100, Jörn Engel wrote:
> On Tue, 22 March 2005 18:13:40 +0100, Adrian Bunk wrote:
> > 
> > REISER4_FS is the only option with a dependency on !4KSTACKS which is 
> > bad since 8 kB stacks on i386 won't stay forever.
> > 
> > Could fix the problems with 4 kB stacks?
> > 
> > Running
> > 
> >   make checkstacks | grep reiser4
> > 
> > inside te kernel sources after compiling gives you hints where problems 
> > might come from.
> 
> Actually, I've run the Big Ol' checkstack program on reiser4 once.
> Without recursions, the code is well below 3k, but some of the
> recursions look a bit daunting.  Here is the relevant output:
>...
>      404  jnode_flush
>...
>      460  rename_hashed
>...
>      224  coord_by_key
>...

These would have been missed by the grep I suggested due to the missing 
reiser4_ prefix.

>      208  locks_remove_flock
>...

That seems to be a generic issue in fs/locks.c .
It seems this is the "struct file_lock fl"?

> Jörn

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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