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git.proxmox.com Git - ceph.git/blob - ceph/src/os/bluestore/BitMapAllocator.h
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"
12 class BitMapAllocator
: public Allocator
{
18 BitAllocator
*m_bit_alloc
; // Bit allocator instance
20 void insert_free(uint64_t offset
, uint64_t len
);
23 uint64_t want_size
, uint64_t alloc_unit
, uint64_t max_alloc_size
,
24 int64_t hint
, mempool::bluestore_alloc::vector
<AllocExtent
> *extents
);
27 BitMapAllocator(CephContext
* cct
, int64_t device_size
, int64_t block_size
);
28 ~BitMapAllocator() override
;
30 int reserve(uint64_t need
) override
;
31 void unreserve(uint64_t unused
) override
;
34 uint64_t want_size
, uint64_t alloc_unit
, uint64_t max_alloc_size
,
35 int64_t hint
, mempool::bluestore_alloc::vector
<AllocExtent
> *extents
) override
;
38 uint64_t offset
, uint64_t length
) override
;
40 uint64_t get_free() override
;
44 void init_add_free(uint64_t offset
, uint64_t length
) override
;
45 void init_rm_free(uint64_t offset
, uint64_t length
) override
;
47 void shutdown() override
;