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Diffstat (limited to 'src/os/bluestore/FreelistManager.h')
-rw-r--r-- | src/os/bluestore/FreelistManager.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/src/os/bluestore/FreelistManager.h b/src/os/bluestore/FreelistManager.h new file mode 100644 index 000000000..1aaff89ea --- /dev/null +++ b/src/os/bluestore/FreelistManager.h @@ -0,0 +1,61 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#ifndef CEPH_OS_BLUESTORE_FREELISTMANAGER_H +#define CEPH_OS_BLUESTORE_FREELISTMANAGER_H + +#include <string> +#include <vector> +#include <mutex> +#include <ostream> +#include "kv/KeyValueDB.h" +#include "bluestore_types.h" +#include "zoned_types.h" + +class FreelistManager { +public: + CephContext* cct; + FreelistManager(CephContext* cct) : cct(cct) {} + virtual ~FreelistManager() {} + + static FreelistManager *create( + CephContext* cct, + std::string type, + std::string prefix); + + static void setup_merge_operators(KeyValueDB *db, const std::string &type); + + virtual int create(uint64_t size, uint64_t granularity, + KeyValueDB::Transaction txn) = 0; + + virtual int init(KeyValueDB *kvdb, bool db_in_read_only, + std::function<int(const std::string&, std::string*)> cfg_reader) = 0; + virtual void sync(KeyValueDB* kvdb) = 0; + virtual void shutdown() = 0; + + virtual void dump(KeyValueDB *kvdb) = 0; + + virtual void enumerate_reset() = 0; + virtual bool enumerate_next(KeyValueDB *kvdb, uint64_t *offset, uint64_t *length) = 0; + + virtual void allocate( + uint64_t offset, uint64_t length, + KeyValueDB::Transaction txn) = 0; + virtual void release( + uint64_t offset, uint64_t length, + KeyValueDB::Transaction txn) = 0; + + virtual uint64_t get_size() const = 0; + virtual uint64_t get_alloc_units() const = 0; + virtual uint64_t get_alloc_size() const = 0; + + virtual void get_meta(uint64_t target_size, + std::vector<std::pair<string, string>>*) const = 0; + + virtual std::vector<zone_state_t> get_zone_states(KeyValueDB *kvdb) const { + return {}; + } +}; + + +#endif |