Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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