look at the code.
static inline int
105mb_cache_indexes(struct mb_cache *cache)
106{
107#ifdef MB_CACHE_INDEXES_COUNT
108 return MB_CACHE_INDEXES_COUNT;
109#else
110 return cache->c_indexes_count;
111#endif
112}
http://lxr.linux.no/linux+v2.6.34.1/fs/mbcache.c#L107
2010/7/17 Ryan Wang <openspace.wang@xxxxxxxxx>:
> Hi,
>
> I wonder when MB_CACHE_INDEXES_COUNT is undefined
> in mbcache? In mbcache.h, MB_CACHE_INDEXES_COUNT is
> set 1, so this #if always gets true. Can we remove it for it seems
> meaningless.
>
> thanks,
>
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--
Best Regards
Lin
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