1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
2 // vim: ts=8 sw=2 smarttab
4 #ifndef CEPH_OS_BLUESTORE_FREELISTMANAGER_H
5 #define CEPH_OS_BLUESTORE_FREELISTMANAGER_H
11 #include "kv/KeyValueDB.h"
13 class FreelistManager {
16 FreelistManager(CephContext* cct) : cct(cct) {}
17 virtual ~FreelistManager() {}
19 static FreelistManager *create(
25 static void setup_merge_operators(KeyValueDB *db);
27 virtual int create(uint64_t size, uint64_t min_alloc_size,
28 KeyValueDB::Transaction txn) = 0;
30 virtual int init(uint64_t dev_size) = 0;
31 virtual void shutdown() = 0;
33 virtual void dump() = 0;
35 virtual void enumerate_reset() = 0;
36 virtual bool enumerate_next(uint64_t *offset, uint64_t *length) = 0;
38 virtual void allocate(
39 uint64_t offset, uint64_t length,
40 KeyValueDB::Transaction txn) = 0;
42 uint64_t offset, uint64_t length,
43 KeyValueDB::Transaction txn) = 0;