thin-provisioning-tools/metadata_disk_structures.cc

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2011-07-22 20:39:56 +05:30
#include "metadata_disk_structures.h"
#include <string.h>
using namespace thin_provisioning;
//----------------------------------------------------------------
void
device_details_traits::unpack(device_details_disk const &disk, device_details &value)
{
value.mapped_blocks_ = to_cpu<uint64_t>(disk.mapped_blocks_);
value.transaction_id_ = to_cpu<uint64_t>(disk.transaction_id_);
value.creation_time_ = to_cpu<uint32_t>(disk.creation_time_);
value.snapshotted_time_ = to_cpu<uint32_t>(disk.snapshotted_time_);
}
void
device_details_traits::pack(device_details const &value, device_details_disk &disk)
{
disk.mapped_blocks_ = to_disk<__le64>(value.mapped_blocks_);
disk.transaction_id_ = to_disk<__le64>(value.transaction_id_);
disk.creation_time_ = to_disk<__le32>(value.creation_time_);
disk.snapshotted_time_ = to_disk<__le32>(value.snapshotted_time_);
}
void
superblock_traits::unpack(superblock_disk const &disk, superblock &value)
{
value.csum_ = to_cpu<uint32_t>(disk.csum_);
value.flags_ = to_cpu<uint32_t>(disk.csum_);
value.blocknr_ = to_cpu<uint64_t>(disk.blocknr_);
::memcpy(value.uuid_, disk.uuid_, sizeof(value.uuid_));
value.magic_ = to_cpu<uint64_t>(disk.magic_);
value.version_ = to_cpu<uint32_t>(disk.version_);
value.time_ = to_cpu<uint32_t>(disk.time_);
value.trans_id_ = to_cpu<uint64_t>(disk.trans_id_);
value.held_root_ = to_cpu<uint64_t>(disk.held_root_);
::memcpy(value.data_space_map_root_,
disk.data_space_map_root_,
sizeof(value.data_space_map_root_));
::memcpy(value.metadata_space_map_root_,
disk.metadata_space_map_root_,
sizeof(value.metadata_space_map_root_));
value.data_mapping_root_ = to_cpu<uint64_t>(disk.data_mapping_root_);
value.device_details_root_ = to_cpu<uint64_t>(disk.device_details_root_);
value.data_block_size_ = to_cpu<uint32_t>(disk.data_block_size_);
value.metadata_block_size_ = to_cpu<uint32_t>(disk.metadata_block_size_);
value.metadata_nr_blocks_ = to_cpu<uint64_t>(disk.metadata_nr_blocks_);
value.compat_flags_ = to_cpu<uint32_t>(disk.compat_flags_);
value.incompat_flags_ = to_cpu<uint32_t>(disk.incompat_flags_);
}
void
superblock_traits::pack(superblock const &value, superblock_disk &disk)
{
disk.csum_ = to_disk<__le32>(value.csum_);
disk.flags_ = to_disk<__le32>(value.csum_);
disk.blocknr_ = to_disk<__le64>(value.blocknr_);
::memcpy(disk.uuid_, value.uuid_, sizeof(disk.uuid_));
disk.magic_ = to_disk<__le64>(value.magic_);
disk.version_ = to_disk<__le32>(value.version_);
disk.time_ = to_disk<__le32>(value.time_);
disk.trans_id_ = to_disk<__le64>(value.trans_id_);
disk.held_root_ = to_disk<__le64>(value.held_root_);
::memcpy(disk.data_space_map_root_,
value.data_space_map_root_,
sizeof(disk.data_space_map_root_));
::memcpy(disk.metadata_space_map_root_,
value.metadata_space_map_root_,
sizeof(disk.metadata_space_map_root_));
disk.data_mapping_root_ = to_disk<__le64>(value.data_mapping_root_);
disk.device_details_root_ = to_disk<__le64>(value.device_details_root_);
disk.data_block_size_ = to_disk<__le32>(value.data_block_size_);
disk.metadata_block_size_ = to_disk<__le32>(value.metadata_block_size_);
disk.metadata_nr_blocks_ = to_disk<__le64>(value.metadata_nr_blocks_);
disk.compat_flags_ = to_disk<__le32>(value.compat_flags_);
disk.incompat_flags_ = to_disk<__le32>(value.incompat_flags_);
}
//----------------------------------------------------------------