[bitset] When reopening a bitset some bits could be lost at the far end.

The number of words necessary to store the bits was being miscalculated.
2014-09-01 14:17:44 +01:00
parent 14cfcf2dfd
commit 93468190bd
1 changed files with 1 additions and 1 deletions
--- a/persistent-data/data-structures/bitset.cc
+++ b/persistent-data/data-structures/bitset.cc
@@ -40,7 +40,7 @@ namespace persistent_data {

 			bitset_impl(transaction_manager &tm, block_address root, unsigned nr_bits)
 				: nr_bits_(nr_bits),
-				  array_(tm, rc_, root, nr_bits / BITS_PER_ULL) {
+				  array_(tm, rc_, root, div_up<unsigned>(nr_bits, BITS_PER_ULL)) {
 			}

 			block_address get_root() const {