blob: 39b0f1590f51546d849cd00af6111faf4b87d526 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab ft=cpp
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2019 Red Hat, Inc.
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#pragma once
#include <atomic>
struct rgw_io_id {
int64_t id{0};
int channels{0};
rgw_io_id() {}
rgw_io_id(int64_t _id, int _channels) : id(_id), channels(_channels) {}
bool intersects(const rgw_io_id& rhs) {
return (id == rhs.id && ((channels | rhs.channels) != 0));
}
bool operator<(const rgw_io_id& rhs) const {
if (id < rhs.id) {
return true;
}
return (id == rhs.id &&
channels < rhs.channels);
}
};
class RGWIOIDProvider
{
std::atomic<int64_t> max = {0};
public:
RGWIOIDProvider() {}
int64_t get_next() {
return ++max;
}
};
class RGWIOProvider
{
int64_t id{-1};
public:
RGWIOProvider() {}
virtual ~RGWIOProvider() = default;
void assign_io(RGWIOIDProvider& io_id_provider, int io_type = -1);
rgw_io_id get_io_id(int io_type) {
return rgw_io_id{id, io_type};
}
virtual void set_io_user_info(void *_user_info) = 0;
virtual void *get_io_user_info() = 0;
};
|
