]>
Commit | Line | Data |
---|---|---|
1e59de90 TL |
1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | /* | |
4 | * Ceph - scalable distributed file system | |
5 | * | |
6 | * (C) Copyright IBM Corporation 2022 | |
7 | * Author: Martin Ohmacht <mohmacht@us.ibm.com> | |
8 | * | |
9 | * Based on the file ceph/src/common/blkdev.cc | |
10 | * Copyright (c) 2015 Hewlett-Packard Development Company, L.P. | |
11 | * | |
12 | * And also based on the file src/erasure-code/clay/ErasureCodeClay.h | |
13 | * Copyright (C) 2018 Indian Institute of Science <office.ece@iisc.ac.in> | |
14 | * | |
15 | * Author: Myna Vajha <mynaramana@gmail.com> | |
16 | * | |
17 | * | |
18 | * This is free software; you can redistribute it and/or | |
19 | * modify it under the terms of the GNU Lesser General Public | |
20 | * License version 2.1, as published by the Free Software | |
21 | * Foundation. See file COPYING. | |
22 | * | |
23 | */ | |
24 | ||
25 | #ifndef CEPH_EXT_BLK_DEV_VDO_H | |
26 | #define CEPH_EXT_BLK_DEV_VDO_H | |
27 | ||
28 | #include "extblkdev/ExtBlkDevInterface.h" | |
29 | #include "include/compat.h" | |
30 | ||
31 | class ExtBlkDevVdo final : public ceph::ExtBlkDevInterface | |
32 | { | |
33 | int vdo_dir_fd = -1; ///< fd for vdo sysfs directory | |
34 | std::string name; // name of the underlying vdo device | |
35 | std::string logdevname; // name of the top level logical device | |
36 | CephContext *cct; | |
37 | public: | |
38 | explicit ExtBlkDevVdo(CephContext *cct) : cct(cct) {} | |
39 | ~ExtBlkDevVdo(){ | |
40 | if(vdo_dir_fd >= 0) | |
41 | VOID_TEMP_FAILURE_RETRY(::close(vdo_dir_fd)); | |
42 | } | |
43 | int _get_vdo_stats_handle(const std::string& devname); | |
44 | int get_vdo_stats_handle(); | |
45 | int64_t get_vdo_stat(const char *property); | |
46 | virtual int init(const std::string& logdevname); | |
47 | virtual const std::string& get_devname() const {return name;} | |
48 | virtual int get_state(ceph::ExtBlkDevState& state); | |
49 | virtual int collect_metadata(const std::string& prefix, std::map<std::string,std::string> *pm); | |
50 | }; | |
51 | ||
52 | #endif |