X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Fos%2Fbluestore%2FFreelistManager.h;fp=src%2Fceph%2Fsrc%2Fos%2Fbluestore%2FFreelistManager.h;h=b4418b2c7aae3355c8d83c38de9ec414aefa34a8;hb=812ff6ca9fcd3e629e49d4328905f33eee8ca3f5;hp=0000000000000000000000000000000000000000;hpb=15280273faafb77777eab341909a3f495cf248d9;p=stor4nfv.git

diff --git a/src/ceph/src/os/bluestore/FreelistManager.h b/src/ceph/src/os/bluestore/FreelistManager.h
new file mode 100644
index 0000000..b4418b2
--- /dev/null
+++ b/src/ceph/src/os/bluestore/FreelistManager.h
@@ -0,0 +1,47 @@
+// -*- 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 <map>
+#include <mutex>
+#include <ostream>
+#include "kv/KeyValueDB.h"
+
+class FreelistManager {
+public:
+  CephContext* cct;
+  FreelistManager(CephContext* cct) : cct(cct) {}
+  virtual ~FreelistManager() {}
+
+  static FreelistManager *create(
+    CephContext* cct,
+    string type,
+    KeyValueDB *db,
+    string prefix);
+
+  static void setup_merge_operators(KeyValueDB *db);
+
+  virtual int create(uint64_t size, uint64_t min_alloc_size,
+		     KeyValueDB::Transaction txn) = 0;
+
+  virtual int init(uint64_t dev_size) = 0;
+  virtual void shutdown() = 0;
+
+  virtual void dump() = 0;
+
+  virtual void enumerate_reset() = 0;
+  virtual bool enumerate_next(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;
+};
+
+
+#endif