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Merge pull request #10704 from chhabaramesh/master

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os/bluestore/BitAllocator: batch is_allocated bit checks

Reviewed-by: Ramesh Chander <Ramesh.Chander@sandisk.com>
This commit is contained in:
Sage Weil 2016-08-12 09:38:39 -04:00 committed by GitHub
commit 8bf851c4b3
1 changed files with 3 additions and 7 deletions
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10
src/os/bluestore/BitAllocator.cc
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@ -143,14 +143,10 @@ bmap_t BmapEntry::atomic_fetch()
return m_bits; return m_bits;
} }
bool BmapEntry::is_allocated(int64_t start_bit, int64_t num_bits) bool BmapEntry::is_allocated(int64_t offset, int64_t num_bits)
{ {
for (int i = start_bit; i < num_bits + start_bit; i++) { bmap_t bmask = BmapEntry::align_mask(num_bits) >> offset;
if (!check_bit(i)) { return ((m_bits & bmask) == bmask);
return false;
}
}
return true;
} }
void BmapEntry::clear_bit(int bit) void BmapEntry::clear_bit(int bit)