e801cc607b
We're never going to use anything other than 4k, and by hard coding it we avoid making block_manager a template.
75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
// Copyright (C) 2011 Red Hat, Inc. All rights reserved.
|
|
//
|
|
// This file is part of the thin-provisioning-tools source.
|
|
//
|
|
// thin-provisioning-tools is free software: you can redistribute it
|
|
// and/or modify it under the terms of the GNU General Public License
|
|
// as published by the Free Software Foundation, either version 3 of
|
|
// the License, or (at your option) any later version.
|
|
//
|
|
// thin-provisioning-tools is distributed in the hope that it will be
|
|
// useful, but WITHOUT ANY WARRANTY; without even the implied warranty
|
|
// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License along
|
|
// with thin-provisioning-tools. If not, see
|
|
// <http://www.gnu.org/licenses/>.
|
|
|
|
#ifndef METADATA_DUMPER_H
|
|
#define METADATA_DUMPER_H
|
|
|
|
#include "thin-provisioning/emitter.h"
|
|
#include "thin-provisioning/metadata.h"
|
|
#include "thin-provisioning/override_emitter.h"
|
|
|
|
#include <boost/optional.hpp>
|
|
#include <set>
|
|
|
|
//----------------------------------------------------------------
|
|
|
|
namespace thin_provisioning {
|
|
class dump_options {
|
|
public:
|
|
dump_options()
|
|
: skip_mappings_(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 skip_mappings_;
|
|
override_options overrides_;
|
|
|
|
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, dump_options const &opts);
|
|
|
|
// We have to provide a different interface for repairing, since
|
|
// the superblock itself may be corrupt, so we wont be able
|
|
// to create the metadata object.
|
|
void metadata_repair(block_manager::ptr bm, emitter::ptr e, override_options const &opts);
|
|
|
|
// Only used by ll_restore, so we leave the repair arg
|
|
void metadata_dump_subtree(metadata::ptr md, emitter::ptr e, bool repair, uint64_t subtree_root);
|
|
}
|
|
|
|
//----------------------------------------------------------------
|
|
|
|
#endif
|