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[metadata_dumper] Support dump a bottom-level data mapping tree

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This commit is contained in:
Ming-Hung Tsai 2016-02-27 15:20:31 +08:00
parent 7ec47158b5
commit ced9929ca6
2 changed files with 12 additions and 0 deletions
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11
thin-provisioning/metadata_dumper.cc
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@ -244,3 +244,14 @@ thin_provisioning::metadata_dump(metadata::ptr md, emitter::ptr e, bool repair)
}
//----------------------------------------------------------------
void
thin_provisioning::metadata_dump_subtree(metadata::ptr md, emitter::ptr e, bool repair, uint64_t subtree_root) {
mapping_emitter me(e);
single_mapping_tree tree(*md->tm_, subtree_root,
mapping_tree_detail::block_time_ref_counter(md->data_sm_));
walk_mapping_tree(tree, static_cast<mapping_tree_detail::mapping_visitor &>(me),
*mapping_damage_policy(repair));
}
//----------------------------------------------------------------

1
thin-provisioning/metadata_dumper.h
View File

@ -29,6 +29,7 @@ namespace thin_provisioning {
// the dumper to do it's best to recover info. If not set, any
// corruption encountered will cause an exception to be thrown.
void metadata_dump(metadata::ptr md, emitter::ptr e, bool repair);
void metadata_dump_subtree(metadata::ptr md, emitter::ptr e, bool repair, uint64_t subtree_root);
}
//----------------------------------------------------------------