Rename metadata -> thin_pool/thin
This commit is contained in:
Joe Thornber
parent
9a4ebc8c25
commit
c2dfb0b462
2
Makefile
2
Makefile
@ -8,12 +8,12 @@ SOURCE=\
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error_set.cc \
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hex_dump.cc \
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human_readable_format.cc \
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metadata.cc \
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metadata_checker.cc \
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metadata_dumper.cc \
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metadata_ll.cc \
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metadata_disk_structures.cc \
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space_map_disk.cc \
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thin_pool.cc \
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transaction_manager.cc \
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xml_format.cc
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@ -1,4 +1,4 @@
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#include "metadata.h"
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#include "thin_pool.h"
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#include "btree_checker.h"
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@ -15,9 +15,9 @@ using namespace thin_provisioning;
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//----------------------------------------------------------------
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thin::thin(thin_dev_t dev, metadata *metadata)
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thin::thin(thin_dev_t dev, thin_pool *pool)
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: dev_(dev),
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metadata_(metadata)
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pool_(pool)
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{
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}
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@ -31,7 +31,7 @@ thin::maybe_address
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thin::lookup(block_address thin_block)
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{
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uint64_t key[2] = {dev_, thin_block};
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return metadata_->md_->mappings_.lookup(key);
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return pool_->md_->mappings_.lookup(key);
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}
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void
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@ -41,33 +41,33 @@ thin::insert(block_address thin_block, block_address data_block)
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block_time bt;
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bt.block_ = data_block;
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bt.time_ = 0; // FIXME: use current time.
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return metadata_->md_->mappings_.insert(key, bt);
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return pool_->md_->mappings_.insert(key, bt);
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}
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void
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thin::remove(block_address thin_block)
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{
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uint64_t key[2] = {dev_, thin_block};
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metadata_->md_->mappings_.remove(key);
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pool_->md_->mappings_.remove(key);
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}
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void
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thin::set_snapshot_time(uint32_t time)
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{
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uint64_t key[1] = { dev_ };
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optional<device_details> mdetail = metadata_->md_->details_.lookup(key);
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optional<device_details> mdetail = pool_->md_->details_.lookup(key);
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if (!mdetail)
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throw runtime_error("no such device");
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mdetail->snapshotted_time_ = time;
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metadata_->md_->details_.insert(key, *mdetail);
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pool_->md_->details_.insert(key, *mdetail);
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}
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block_address
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thin::get_mapped_blocks() const
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{
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uint64_t key[1] = { dev_ };
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optional<device_details> mdetail = metadata_->md_->details_.lookup(key);
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optional<device_details> mdetail = pool_->md_->details_.lookup(key);
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if (!mdetail)
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throw runtime_error("no such device");
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@ -78,28 +78,28 @@ void
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thin::set_mapped_blocks(block_address count)
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{
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uint64_t key[1] = { dev_ };
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optional<device_details> mdetail = metadata_->md_->details_.lookup(key);
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optional<device_details> mdetail = pool_->md_->details_.lookup(key);
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if (!mdetail)
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throw runtime_error("no such device");
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mdetail->mapped_blocks_ = count;
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metadata_->md_->details_.insert(key, *mdetail);
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pool_->md_->details_.insert(key, *mdetail);
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}
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//--------------------------------
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metadata::metadata(metadata_ll::ptr md)
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thin_pool::thin_pool(metadata_ll::ptr md)
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: md_(md)
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{
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}
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metadata::~metadata()
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thin_pool::~thin_pool()
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{
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}
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void
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metadata::create_thin(thin_dev_t dev)
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thin_pool::create_thin(thin_dev_t dev)
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{
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uint64_t key[1] = {dev};
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@ -112,7 +112,7 @@ metadata::create_thin(thin_dev_t dev)
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}
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void
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metadata::create_snap(thin_dev_t dev, thin_dev_t origin)
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thin_pool::create_snap(thin_dev_t dev, thin_dev_t origin)
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{
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uint64_t snap_key[1] = {dev};
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uint64_t origin_key[1] = {origin};
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@ -138,62 +138,62 @@ metadata::create_snap(thin_dev_t dev, thin_dev_t origin)
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}
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void
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metadata::del(thin_dev_t dev)
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thin_pool::del(thin_dev_t dev)
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{
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uint64_t key[1] = {dev};
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md_->mappings_top_level_.remove(key);
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}
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void
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metadata::set_transaction_id(uint64_t id)
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thin_pool::set_transaction_id(uint64_t id)
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{
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md_->sb_.trans_id_ = id;
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}
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uint64_t
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metadata::get_transaction_id() const
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thin_pool::get_transaction_id() const
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{
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return md_->sb_.trans_id_;
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}
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block_address
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metadata::get_held_root() const
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thin_pool::get_held_root() const
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{
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return md_->sb_.held_root_;
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}
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block_address
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metadata::alloc_data_block()
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thin_pool::alloc_data_block()
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{
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return md_->data_sm_->new_block();
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}
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void
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metadata::free_data_block(block_address b)
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thin_pool::free_data_block(block_address b)
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{
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md_->data_sm_->dec(b);
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}
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block_address
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metadata::get_nr_free_data_blocks() const
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thin_pool::get_nr_free_data_blocks() const
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{
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return md_->data_sm_->get_nr_free();
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}
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sector_t
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metadata::get_data_block_size() const
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thin_pool::get_data_block_size() const
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{
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return md_->sb_.data_block_size_;
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}
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block_address
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metadata::get_data_dev_size() const
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thin_pool::get_data_dev_size() const
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{
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return md_->data_sm_->get_nr_blocks();
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}
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thin::ptr
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metadata::open_thin(thin_dev_t dev)
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thin_pool::open_thin(thin_dev_t dev)
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{
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uint64_t key[1] = {dev};
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optional<device_details> mdetails = md_->details_.lookup(key);
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@ -206,7 +206,7 @@ metadata::open_thin(thin_dev_t dev)
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}
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bool
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metadata::device_exists(thin_dev_t dev) const
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thin_pool::device_exists(thin_dev_t dev) const
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{
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uint64_t key[1] = {dev};
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return md_->details_.lookup(key);
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@ -9,7 +9,11 @@
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//----------------------------------------------------------------
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namespace thin_provisioning {
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class metadata;
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// This interface is very like that in the kernel. It'll allow us
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// to write simulators to try out different space maps etc. Not
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// currently used by the tools.
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class thin_pool;
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class thin {
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public:
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typedef boost::shared_ptr<thin> ptr;
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@ -26,19 +30,19 @@ namespace thin_provisioning {
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void set_mapped_blocks(block_address count);
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private:
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friend class metadata;
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thin(thin_dev_t dev, metadata *metadata);
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friend class thin_pool;
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thin(thin_dev_t dev, thin_pool *pool); // FIXME: pass a reference rather than a ptr
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thin_dev_t dev_;
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metadata *metadata_;
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thin_pool *pool_;
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};
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class metadata {
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class thin_pool {
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public:
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typedef boost::shared_ptr<metadata> ptr;
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typedef boost::shared_ptr<thin_pool> ptr;
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metadata(metadata_ll::ptr md);
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~metadata();
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thin_pool(metadata_ll::ptr md);
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~thin_pool();
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void create_thin(thin_dev_t dev);
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void create_snap(thin_dev_t dev, thin_dev_t origin);
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@ -61,7 +65,6 @@ namespace thin_provisioning {
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private:
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friend class thin;
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bool device_exists(thin_dev_t dev) const;
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metadata_ll::ptr md_;
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