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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#ifndef CEPH_OS_BLUESTORE_BITMAPFASTALLOCATOR_H
#define CEPH_OS_BLUESTORE_BITMAPFASTALLOCATOR_H
#include <mutex>
#include "Allocator.h"
#include "os/bluestore/bluestore_types.h"
#include "fastbmap_allocator_impl.h"
#include "include/mempool.h"
#include "common/debug.h"
class BitmapAllocator : public Allocator,
public AllocatorLevel02<AllocatorLevel01Loose> {
CephContext* cct;
public:
BitmapAllocator(CephContext* _cct, int64_t capacity, int64_t alloc_unit, const std::string& name);
~BitmapAllocator() override
{
}
const char* get_type() const override
{
return "bitmap";
}
int64_t allocate(
uint64_t want_size, uint64_t alloc_unit, uint64_t max_alloc_size,
int64_t hint, PExtentVector *extents) override;
void release(
const interval_set<uint64_t>& release_set) override;
using Allocator::release;
uint64_t get_free() override
{
return get_available();
}
void dump() override;
void foreach(
std::function<void(uint64_t offset, uint64_t length)> notify) override
{
foreach_internal(notify);
}
double get_fragmentation() override
{
return get_fragmentation_internal();
}
void init_add_free(uint64_t offset, uint64_t length) override;
void init_rm_free(uint64_t offset, uint64_t length) override;
void shutdown() override;
};
#endif
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