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_BITMAPALLOCATOR_H
5 #define CEPH_OS_BLUESTORE_BITMAPALLOCATOR_H
10 #include "BitAllocator.h"
11 #include "include/btree_interval_set.h"
13 class BitMapAllocator : public Allocator {
19 BitAllocator *m_bit_alloc; // Bit allocator instance
21 void insert_free(uint64_t offset, uint64_t len);
24 uint64_t want_size, uint64_t alloc_unit, uint64_t max_alloc_size,
25 int64_t hint, mempool::bluestore_alloc::vector<AllocExtent> *extents);
28 BitMapAllocator(CephContext* cct, int64_t device_size, int64_t block_size);
29 ~BitMapAllocator() override;
31 int reserve(uint64_t need) override;
32 void unreserve(uint64_t unused) override;
35 uint64_t want_size, uint64_t alloc_unit, uint64_t max_alloc_size,
36 int64_t hint, mempool::bluestore_alloc::vector<AllocExtent> *extents) override;
39 uint64_t offset, uint64_t length) override;
41 uint64_t get_free() override;
45 void init_add_free(uint64_t offset, uint64_t length) override;
46 void init_rm_free(uint64_t offset, uint64_t length) override;
48 void shutdown() override;