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[btree] Fix ref-counting on overwritten values

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This commit is contained in:
Ming-Hung Tsai
2021-09-09 09:58:45 +08:00
parent f8c40a1fda
commit e7fa012701
5 changed files with 44 additions and 9 deletions
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8
thin-provisioning/device_tree.h
View File

@@ -25,6 +25,14 @@ namespace thin_provisioning {
uint32_t snapshotted_time_;
};
inline bool operator==(device_details const& lhs, device_details const& rhs) {
return false; // device_details are not compariable
}
inline bool operator!=(device_details const& lhs, device_details const& rhs) {
return !(lhs == rhs);
}
struct device_details_traits {
typedef device_details_disk disk_type;
typedef device_details value_type;

8
thin-provisioning/mapping_tree.h
View File

@@ -24,6 +24,14 @@ namespace thin_provisioning {
uint32_t time_;
};
inline bool operator==(block_time const& lhs, block_time const& rhs) {
return lhs.block_ == rhs.block_;
}
inline bool operator!=(block_time const& lhs, block_time const& rhs) {
return !(lhs == rhs);
}
class block_time_ref_counter {
public:
block_time_ref_counter(space_map::ptr sm);