94 lines
3.5 KiB
C++
94 lines
3.5 KiB
C++
// Copyright (C) 2011 Red Hat, Inc. All rights reserved.
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//
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// This file is part of the thin-provisioning-tools source.
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//
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// thin-provisioning-tools is free software: you can redistribute it
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// and/or modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation, either version 3 of
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// the License, or (at your option) any later version.
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//
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// thin-provisioning-tools is distributed in the hope that it will be
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// useful, but WITHOUT ANY WARRANTY; without even the implied warranty
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// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with thin-provisioning-tools. If not, see
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// <http://www.gnu.org/licenses/>.
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#include "thin-provisioning/metadata_disk_structures.h"
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#include <string.h>
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using namespace thin_provisioning;
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//----------------------------------------------------------------
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void
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superblock_traits::unpack(superblock_disk const &disk, superblock &value)
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{
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value.csum_ = to_cpu<uint32_t>(disk.csum_);
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value.flags_ = to_cpu<uint32_t>(disk.flags_);
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value.blocknr_ = to_cpu<uint64_t>(disk.blocknr_);
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::memcpy(value.uuid_, disk.uuid_, sizeof(value.uuid_));
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value.magic_ = to_cpu<uint64_t>(disk.magic_);
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value.version_ = to_cpu<uint32_t>(disk.version_);
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value.time_ = to_cpu<uint32_t>(disk.time_);
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value.trans_id_ = to_cpu<uint64_t>(disk.trans_id_);
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value.metadata_snap_ = to_cpu<uint64_t>(disk.metadata_snap_);
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::memcpy(value.data_space_map_root_,
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disk.data_space_map_root_,
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sizeof(value.data_space_map_root_));
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::memcpy(value.metadata_space_map_root_,
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disk.metadata_space_map_root_,
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sizeof(value.metadata_space_map_root_));
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value.data_mapping_root_ = to_cpu<uint64_t>(disk.data_mapping_root_);
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value.device_details_root_ = to_cpu<uint64_t>(disk.device_details_root_);
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value.data_block_size_ = to_cpu<uint32_t>(disk.data_block_size_);
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value.metadata_block_size_ = to_cpu<uint32_t>(disk.metadata_block_size_);
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value.metadata_nr_blocks_ = to_cpu<uint64_t>(disk.metadata_nr_blocks_);
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value.compat_flags_ = to_cpu<uint32_t>(disk.compat_flags_);
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value.incompat_flags_ = to_cpu<uint32_t>(disk.incompat_flags_);
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}
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void
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superblock_traits::pack(superblock const &value, superblock_disk &disk)
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{
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disk.csum_ = to_disk<le32>(value.csum_);
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disk.flags_ = to_disk<le32>(value.flags_);
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disk.blocknr_ = to_disk<le64>(value.blocknr_);
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::memcpy(disk.uuid_, value.uuid_, sizeof(disk.uuid_));
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disk.magic_ = to_disk<le64>(value.magic_);
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disk.version_ = to_disk<le32>(value.version_);
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disk.time_ = to_disk<le32>(value.time_);
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disk.trans_id_ = to_disk<le64>(value.trans_id_);
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disk.metadata_snap_ = to_disk<le64>(value.metadata_snap_);
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::memcpy(disk.data_space_map_root_,
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value.data_space_map_root_,
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sizeof(disk.data_space_map_root_));
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::memcpy(disk.metadata_space_map_root_,
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value.metadata_space_map_root_,
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sizeof(disk.metadata_space_map_root_));
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disk.data_mapping_root_ = to_disk<le64>(value.data_mapping_root_);
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disk.device_details_root_ = to_disk<le64>(value.device_details_root_);
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disk.data_block_size_ = to_disk<le32>(value.data_block_size_);
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disk.metadata_block_size_ = to_disk<le32>(value.metadata_block_size_);
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disk.metadata_nr_blocks_ = to_disk<le64>(value.metadata_nr_blocks_);
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disk.compat_flags_ = to_disk<le32>(value.compat_flags_);
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disk.incompat_flags_ = to_disk<le32>(value.incompat_flags_);
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}
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//----------------------------------------------------------------
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