114 lines
4.2 KiB
C++
114 lines
4.2 KiB
C++
// Copyright (C) 2012 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/>.
|
|
|
|
#include "metadata_disk_structures.h"
|
|
|
|
#include <string.h>
|
|
|
|
using namespace cache_tools;
|
|
|
|
//----------------------------------------------------------------
|
|
|
|
void
|
|
superblock_traits::unpack(superblock_disk const &disk, superblock &core)
|
|
{
|
|
core.csum = to_cpu<uint32_t>(disk.csum);
|
|
core.flags = to_cpu<uint32_t>(disk.flags);
|
|
core.blocknr = to_cpu<uint64_t>(disk.blocknr);
|
|
|
|
::memcpy(core.uuid, disk.uuid, sizeof(core.uuid));
|
|
core.magic = to_cpu<uint64_t>(disk.magic);
|
|
core.version = to_cpu<uint32_t>(disk.version);
|
|
|
|
::memcpy(core.policy_name, disk.policy_name, sizeof(core.policy_name));
|
|
|
|
for (unsigned i = 0; i < CACHE_POLICY_VERSION_SIZE; i++)
|
|
core.policy_version[i] = to_cpu<uint32_t>(disk.policy_version[i]);
|
|
|
|
core.policy_hint_size = to_cpu<uint32_t>(disk.policy_hint_size);
|
|
|
|
::memcpy(core.metadata_space_map_root,
|
|
disk.metadata_space_map_root,
|
|
sizeof(core.metadata_space_map_root));
|
|
|
|
core.mapping_root = to_cpu<uint64_t>(disk.mapping_root);
|
|
core.hint_root = to_cpu<uint64_t>(disk.hint_root);
|
|
|
|
core.discard_root = to_cpu<uint64_t>(disk.discard_root);
|
|
core.discard_block_size = to_cpu<uint64_t>(disk.discard_block_size);
|
|
core.discard_nr_blocks = to_cpu<uint64_t>(disk.discard_nr_blocks);
|
|
|
|
core.data_block_size = to_cpu<uint32_t>(disk.data_block_size);
|
|
core.metadata_block_size = to_cpu<uint32_t>(disk.metadata_block_size);
|
|
core.cache_blocks = to_cpu<uint32_t>(disk.cache_blocks);
|
|
|
|
core.compat_flags = to_cpu<uint32_t>(disk.compat_flags);
|
|
core.compat_ro_flags = to_cpu<uint32_t>(disk.compat_ro_flags);
|
|
core.incompat_flags = to_cpu<uint32_t>(disk.incompat_flags);
|
|
|
|
core.read_hits = to_cpu<uint32_t>(disk.read_hits);
|
|
core.read_misses = to_cpu<uint32_t>(disk.read_misses);
|
|
core.write_hits = to_cpu<uint32_t>(disk.write_hits);
|
|
core.write_misses = to_cpu<uint32_t>(disk.write_misses);
|
|
}
|
|
|
|
void
|
|
superblock_traits::pack(superblock const &core, superblock_disk &disk)
|
|
{
|
|
disk.csum = to_disk<le32>(core.csum);
|
|
disk.flags = to_disk<le32>(core.flags);
|
|
disk.blocknr = to_disk<le64>(core.blocknr);
|
|
|
|
::memcpy(disk.uuid, core.uuid, sizeof(disk.uuid));
|
|
disk.magic = to_disk<le64>(core.magic);
|
|
disk.version = to_disk<le32>(core.version);
|
|
|
|
::memcpy(disk.policy_name, core.policy_name, sizeof(disk.policy_name));
|
|
|
|
for (unsigned i = 0; i < CACHE_POLICY_VERSION_SIZE; i++)
|
|
disk.policy_version[i] = to_disk<le32>(core.policy_version[i]);
|
|
|
|
disk.policy_hint_size = to_disk<le32>(core.policy_hint_size);
|
|
|
|
::memcpy(disk.metadata_space_map_root,
|
|
core.metadata_space_map_root,
|
|
sizeof(disk.metadata_space_map_root));
|
|
|
|
disk.mapping_root = to_disk<le64>(core.mapping_root);
|
|
disk.hint_root = to_disk<le64>(core.hint_root);
|
|
|
|
disk.discard_root = to_disk<le64>(core.discard_root);
|
|
disk.discard_block_size = to_disk<le64>(core.discard_block_size);
|
|
disk.discard_nr_blocks = to_disk<le64>(core.discard_nr_blocks);
|
|
|
|
disk.data_block_size = to_disk<le32>(core.data_block_size);
|
|
disk.metadata_block_size = to_disk<le32>(core.metadata_block_size);
|
|
disk.cache_blocks = to_disk<le32>(core.cache_blocks);
|
|
|
|
disk.compat_flags = to_disk<le32>(core.compat_flags);
|
|
disk.compat_ro_flags = to_disk<le32>(core.compat_ro_flags);
|
|
disk.incompat_flags = to_disk<le32>(core.incompat_flags);
|
|
|
|
disk.read_hits = to_disk<le32>(core.read_hits);
|
|
disk.read_misses = to_disk<le32>(core.read_misses);
|
|
disk.write_hits = to_disk<le32>(core.write_hits);
|
|
disk.write_misses = to_disk<le32>(core.write_misses);
|
|
}
|
|
|
|
//----------------------------------------------------------------
|