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[thin_dump] --dev-id

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This commit is contained in:
Joe Thornber
2016-03-22 14:41:02 +00:00
parent 8b2ec7a3aa
commit a3f4940f1e
5 changed files with 82 additions and 27 deletions
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29
thin-provisioning/metadata_dumper.h
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@@ -22,13 +22,40 @@
#include "emitter.h"
#include "metadata.h"
#include <boost/optional.hpp>
#include <set>
//----------------------------------------------------------------
namespace thin_provisioning {
class dump_options {
public:
dump_options()
: repair_(false) {
}
bool selected_dev(uint64_t dev_id) const {
return !dev_filter_ || dev_filter_->count(dev_id);
}
void select_dev(uint64_t dev_id) {
if (!dev_filter_)
dev_filter_ = dev_set();
dev_filter_->insert(dev_id);
}
bool repair_;
using dev_set = std::set<uint64_t>;
using maybe_dev_set = boost::optional<dev_set>;
maybe_dev_set dev_filter_;
};
// Set the @repair flag if your metadata is corrupt, and you'd like
// 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(metadata::ptr md, emitter::ptr e, dump_options const &opts);
void metadata_dump_subtree(metadata::ptr md, emitter::ptr e, bool repair, uint64_t subtree_root);
}