On Sun, Jan 07, 2007 at 12:44:56AM +0300, Alexey Dobriyan wrote:
> > #if defined(CONFIG_EXPORTFS) || defined(CONFIG_EXPORTFS_MODULE)
> > #define set_export_ops(sb, ops) sb->s_export_op = ops
> > #else
> > #define set_export_ops(sb, ops) 0
> > #endif
> >
> > That way you can get rid of the function pointer from the struct
> > superblock too.
>
> Exactly! I've just started with filesystems I use.
>
> it should be wrapped in do {} while 0, of course.
What the hell for? Repeat after me:
* do {} while(0) is always inferior to ((void)0)
* do { expr; } while(0) is always inferior to ((void)(expr))
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