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[cache_restore/dump] hint_width work.

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dump/restore cycle works again.
This commit is contained in:
Joe Thornber
2013-09-26 11:36:01 +01:00
parent bd1a189298
commit bb898eeaad
10 changed files with 43 additions and 14 deletions
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14
caching/restore_emitter.cc
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@@ -23,7 +23,8 @@ namespace {
virtual void begin_superblock(std::string const &uuid,
pd::block_address block_size,
pd::block_address nr_cache_blocks,
std::string const &policy) {
std::string const &policy,
size_t hint_width) {
superblock &sb = md_->sb_;
@@ -31,11 +32,13 @@ namespace {
memset(sb.uuid, 0, sizeof(sb.uuid));
sb.magic = caching::superblock_detail::SUPERBLOCK_MAGIC;
sb.version = 0; // FIXME: fix
// strncpy(sb.policy_name, policy.c_str(), sizeof(sb.policy_name));
strncpy((char *) sb.policy_name, policy.c_str(), sizeof(sb.policy_name));
memset(sb.policy_version, 0, sizeof(sb.policy_version));
sb.policy_hint_size = 0; // FIXME: fix
sb.policy_hint_size = hint_width;
md_->setup_hint_array(hint_width);
memset(sb.metadata_space_map_root, 0, sizeof(sb.metadata_space_map_root));
memset(sb.metadata_space_map_root, 0,
sizeof(sb.metadata_space_map_root));
sb.mapping_root = 0;
sb.hint_root = 0;
@@ -60,6 +63,9 @@ namespace {
unmapped_value.oblock_ = 0;
unmapped_value.flags_ = 0;
md_->mappings_->grow(nr_cache_blocks, unmapped_value);
vector<unsigned char> hint_value(hint_width, '\0');
md_->hints_->grow(nr_cache_blocks, hint_value);
}
virtual void end_superblock() {