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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | ||
4 | #ifndef CEPH_OS_BLUESTORE_BITMAPFASTALLOCATOR_H | |
5 | #define CEPH_OS_BLUESTORE_BITMAPFASTALLOCATOR_H | |
6 | ||
7 | #include <mutex> | |
8 | ||
9 | #include "Allocator.h" | |
10 | #include "os/bluestore/bluestore_types.h" | |
11 | #include "fastbmap_allocator_impl.h" | |
12 | #include "include/mempool.h" | |
13 | #include "common/debug.h" | |
14 | ||
15 | class BitmapAllocator : public Allocator, | |
16 | public AllocatorLevel02<AllocatorLevel01Loose> { | |
17 | CephContext* cct; | |
a8e16298 | 18 | public: |
20effc67 TL |
19 | BitmapAllocator(CephContext* _cct, int64_t capacity, int64_t alloc_unit, |
20 | std::string_view name); | |
a8e16298 TL |
21 | ~BitmapAllocator() override |
22 | { | |
23 | } | |
24 | ||
f67539c2 TL |
25 | const char* get_type() const override |
26 | { | |
27 | return "bitmap"; | |
28 | } | |
a8e16298 TL |
29 | int64_t allocate( |
30 | uint64_t want_size, uint64_t alloc_unit, uint64_t max_alloc_size, | |
31 | int64_t hint, PExtentVector *extents) override; | |
32 | ||
33 | void release( | |
34 | const interval_set<uint64_t>& release_set) override; | |
35 | ||
e306af50 TL |
36 | using Allocator::release; |
37 | ||
a8e16298 TL |
38 | uint64_t get_free() override |
39 | { | |
40 | return get_available(); | |
41 | } | |
42 | ||
43 | void dump() override; | |
eafe8130 | 44 | void dump(std::function<void(uint64_t offset, uint64_t length)> notify) override; |
9f95a23c | 45 | double get_fragmentation() override |
a8e16298 TL |
46 | { |
47 | return _get_fragmentation(); | |
48 | } | |
49 | ||
50 | void init_add_free(uint64_t offset, uint64_t length) override; | |
51 | void init_rm_free(uint64_t offset, uint64_t length) override; | |
52 | ||
53 | void shutdown() override; | |
54 | }; | |
55 | ||
56 | #endif |