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[thin-provisioning] walk_mapping_tree()

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This commit is contained in:
Joe Thornber
2013-10-16 10:20:15 +01:00
parent a06139ef9f
commit b87742ccff
2 changed files with 69 additions and 10 deletions
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28
thin-provisioning/mapping_tree.h
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@@ -92,6 +92,8 @@ namespace thin_provisioning {
class damage_visitor {
public:
typedef boost::shared_ptr<damage_visitor> ptr;
virtual ~damage_visitor() {}
void visit(damage const &d) {
@@ -102,16 +104,42 @@ namespace thin_provisioning {
virtual void visit(missing_mappings const &d) = 0;
};
class mapping_visitor {
public:
virtual ~mapping_visitor() {}
// path contains 2 elements, the dev key, then the oblock
virtual void visit(btree_path const &path, block_time const &m) = 0;
};
class device_visitor {
public:
virtual ~device_visitor() {}
virtual void visit(btree_path const &path, block_address dtree_root) = 0;
};
}
typedef persistent_data::btree<2, mapping_tree_detail::block_traits> mapping_tree;
typedef persistent_data::btree<1, mapping_tree_detail::mtree_traits> dev_tree;
typedef persistent_data::btree<1, mapping_tree_detail::block_traits> single_mapping_tree;
void walk_mapping_tree(dev_tree const &tree,
mapping_tree_detail::device_visitor &dev_v,
mapping_tree_detail::damage_visitor &dv);
void check_mapping_tree(dev_tree const &tree,
mapping_tree_detail::damage_visitor &visitor);
void walk_mapping_tree(mapping_tree const &tree,
mapping_tree_detail::mapping_visitor &mv,
mapping_tree_detail::damage_visitor &dv);
void check_mapping_tree(mapping_tree const &tree,
mapping_tree_detail::damage_visitor &visitor);
void walk_mapping_tree(single_mapping_tree const &tree,
mapping_tree_detail::mapping_visitor &mv,
mapping_tree_detail::damage_visitor &dv);
void check_mapping_tree(single_mapping_tree const &tree,
mapping_tree_detail::damage_visitor &visitor);
}
//----------------------------------------------------------------