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libdm: simplify dmstats formula.
Since we check for stats for not being 0, simplify the operation and use a single division.
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@ -510,11 +510,10 @@ static uint64_t _nr_areas(uint64_t len, uint64_t step)
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/*
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* drivers/md/dm-stats.c::message_stats_create()
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* A region may be sub-divided into areas with their own counters.
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* If step is non-zero, divide len into that many areas, otherwise
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* treat the entire region as a single area. Any partial area at the
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* end of the region is treated as an additional complete area.
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* Any partial area at the end of the region is treated as an
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* additional complete area.
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*/
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return (len / (step ? : len)) + !!(len % step);
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return (len + step - 1) / step;
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}
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static uint64_t _nr_areas_region(struct dm_stats_region *region)
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