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libdm: use dm_bit_get_last() in _stats_group_tag_fill()

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Instead of iterating over all bits, use dm_bit_get_last() to find
the last set bit in the group bitmap.
This commit is contained in:
Bryn M. Reeves 2016-12-13 10:32:29 +00:00
parent 5d1d65e735
commit e8d966bc31
1 changed files with 1 additions and 3 deletions
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4
libdm/libdm-stats.c
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@ -1716,9 +1716,7 @@ static size_t _stats_group_tag_fill(const struct dm_stats *dms,
int i, j, r, next, last = 0; int i, j, r, next, last = 0;
size_t used = 0; size_t used = 0;
i = dm_bit_get_first(regions); last = dm_bit_get_last(regions);
for (; i >= 0; i = dm_bit_get_next(regions, i))
last = i;
i = dm_bit_get_first(regions); i = dm_bit_get_first(regions);
for(; i >= 0; i = dm_bit_get_next(regions, i)) { for(; i >= 0; i = dm_bit_get_next(regions, i)) {