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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 | #ifndef CEPH_OS_BLUESTORE_BLUEFS_TYPES_H | |
4 | #define CEPH_OS_BLUESTORE_BLUEFS_TYPES_H | |
5 | ||
6 | #include "bluestore_types.h" | |
7 | #include "include/utime.h" | |
8 | #include "include/encoding.h" | |
9 | #include "include/denc.h" | |
10 | ||
11 | class bluefs_extent_t : public AllocExtent{ | |
12 | public: | |
13 | uint8_t bdev; | |
14 | ||
15 | bluefs_extent_t(uint8_t b = 0, uint64_t o = 0, uint32_t l = 0) | |
16 | : AllocExtent(o, l), bdev(b) {} | |
17 | ||
18 | DENC(bluefs_extent_t, v, p) { | |
19 | DENC_START(1, 1, p); | |
20 | denc_lba(v.offset, p); | |
21 | denc_varint_lowz(v.length, p); | |
22 | denc(v.bdev, p); | |
23 | DENC_FINISH(p); | |
24 | } | |
25 | ||
26 | void dump(Formatter *f) const; | |
27 | static void generate_test_instances(list<bluefs_extent_t*>&); | |
28 | }; | |
29 | WRITE_CLASS_DENC(bluefs_extent_t) | |
30 | ||
31f18b77 | 31 | ostream& operator<<(ostream& out, const bluefs_extent_t& e); |
7c673cae FG |
32 | |
33 | ||
34 | struct bluefs_fnode_t { | |
35 | uint64_t ino; | |
36 | uint64_t size; | |
37 | utime_t mtime; | |
38 | uint8_t prefer_bdev; | |
39 | mempool::bluefs::vector<bluefs_extent_t> extents; | |
40 | uint64_t allocated; | |
41 | ||
42 | bluefs_fnode_t() : ino(0), size(0), prefer_bdev(0), allocated(0) {} | |
43 | ||
44 | uint64_t get_allocated() const { | |
45 | return allocated; | |
46 | } | |
47 | ||
48 | void recalc_allocated() { | |
49 | allocated = 0; | |
50 | for (auto& p : extents) | |
51 | allocated += p.length; | |
52 | } | |
53 | ||
54 | DENC(bluefs_fnode_t, v, p) { | |
55 | DENC_START(1, 1, p); | |
56 | denc_varint(v.ino, p); | |
57 | denc_varint(v.size, p); | |
58 | denc(v.mtime, p); | |
59 | denc(v.prefer_bdev, p); | |
60 | denc(v.extents, p); | |
61 | DENC_FINISH(p); | |
62 | } | |
63 | ||
64 | mempool::bluefs::vector<bluefs_extent_t>::iterator seek( | |
65 | uint64_t off, uint64_t *x_off); | |
66 | ||
67 | void dump(Formatter *f) const; | |
68 | static void generate_test_instances(list<bluefs_fnode_t*>& ls); | |
69 | }; | |
70 | WRITE_CLASS_DENC(bluefs_fnode_t) | |
71 | ||
72 | ostream& operator<<(ostream& out, const bluefs_fnode_t& file); | |
73 | ||
74 | ||
75 | struct bluefs_super_t { | |
76 | uuid_d uuid; ///< unique to this bluefs instance | |
77 | uuid_d osd_uuid; ///< matches the osd that owns us | |
78 | uint64_t version; | |
79 | uint32_t block_size; | |
80 | ||
81 | bluefs_fnode_t log_fnode; | |
82 | ||
83 | bluefs_super_t() | |
84 | : version(0), | |
85 | block_size(4096) { } | |
86 | ||
87 | uint64_t block_mask() const { | |
88 | return ~(block_size - 1); | |
89 | } | |
90 | ||
91 | void encode(bufferlist& bl) const; | |
92 | void decode(bufferlist::iterator& p); | |
93 | void dump(Formatter *f) const; | |
94 | static void generate_test_instances(list<bluefs_super_t*>& ls); | |
95 | }; | |
96 | WRITE_CLASS_ENCODER(bluefs_super_t) | |
97 | ||
98 | ostream& operator<<(ostream&, const bluefs_super_t& s); | |
99 | ||
100 | ||
101 | struct bluefs_transaction_t { | |
102 | typedef enum { | |
103 | OP_NONE = 0, | |
104 | OP_INIT, ///< initial (empty) file system marker | |
105 | OP_ALLOC_ADD, ///< add extent to available block storage (extent) | |
106 | OP_ALLOC_RM, ///< remove extent from availabe block storage (extent) | |
107 | OP_DIR_LINK, ///< (re)set a dir entry (dirname, filename, ino) | |
108 | OP_DIR_UNLINK, ///< remove a dir entry (dirname, filename) | |
109 | OP_DIR_CREATE, ///< create a dir (dirname) | |
110 | OP_DIR_REMOVE, ///< remove a dir (dirname) | |
111 | OP_FILE_UPDATE, ///< set/update file metadata (file) | |
112 | OP_FILE_REMOVE, ///< remove file (ino) | |
113 | OP_JUMP, ///< jump the seq # and offset | |
114 | OP_JUMP_SEQ, ///< jump the seq # | |
115 | } op_t; | |
116 | ||
117 | uuid_d uuid; ///< fs uuid | |
118 | uint64_t seq; ///< sequence number | |
119 | bufferlist op_bl; ///< encoded transaction ops | |
120 | ||
121 | bluefs_transaction_t() : seq(0) {} | |
122 | ||
123 | void clear() { | |
124 | *this = bluefs_transaction_t(); | |
125 | } | |
126 | bool empty() const { | |
127 | return op_bl.length() == 0; | |
128 | } | |
129 | ||
130 | void op_init() { | |
131 | ::encode((__u8)OP_INIT, op_bl); | |
132 | } | |
133 | void op_alloc_add(uint8_t id, uint64_t offset, uint64_t length) { | |
134 | ::encode((__u8)OP_ALLOC_ADD, op_bl); | |
135 | ::encode(id, op_bl); | |
136 | ::encode(offset, op_bl); | |
137 | ::encode(length, op_bl); | |
138 | } | |
139 | void op_alloc_rm(uint8_t id, uint64_t offset, uint64_t length) { | |
140 | ::encode((__u8)OP_ALLOC_RM, op_bl); | |
141 | ::encode(id, op_bl); | |
142 | ::encode(offset, op_bl); | |
143 | ::encode(length, op_bl); | |
144 | } | |
145 | void op_dir_create(const string& dir) { | |
146 | ::encode((__u8)OP_DIR_CREATE, op_bl); | |
147 | ::encode(dir, op_bl); | |
148 | } | |
149 | void op_dir_remove(const string& dir) { | |
150 | ::encode((__u8)OP_DIR_REMOVE, op_bl); | |
151 | ::encode(dir, op_bl); | |
152 | } | |
153 | void op_dir_link(const string& dir, const string& file, uint64_t ino) { | |
154 | ::encode((__u8)OP_DIR_LINK, op_bl); | |
155 | ::encode(dir, op_bl); | |
156 | ::encode(file, op_bl); | |
157 | ::encode(ino, op_bl); | |
158 | } | |
159 | void op_dir_unlink(const string& dir, const string& file) { | |
160 | ::encode((__u8)OP_DIR_UNLINK, op_bl); | |
161 | ::encode(dir, op_bl); | |
162 | ::encode(file, op_bl); | |
163 | } | |
164 | void op_file_update(const bluefs_fnode_t& file) { | |
165 | ::encode((__u8)OP_FILE_UPDATE, op_bl); | |
166 | ::encode(file, op_bl); | |
167 | } | |
168 | void op_file_remove(uint64_t ino) { | |
169 | ::encode((__u8)OP_FILE_REMOVE, op_bl); | |
170 | ::encode(ino, op_bl); | |
171 | } | |
172 | void op_jump(uint64_t next_seq, uint64_t offset) { | |
173 | ::encode((__u8)OP_JUMP, op_bl); | |
174 | ::encode(next_seq, op_bl); | |
175 | ::encode(offset, op_bl); | |
176 | } | |
177 | void op_jump_seq(uint64_t next_seq) { | |
178 | ::encode((__u8)OP_JUMP_SEQ, op_bl); | |
179 | ::encode(next_seq, op_bl); | |
180 | } | |
181 | ||
182 | void encode(bufferlist& bl) const; | |
183 | void decode(bufferlist::iterator& p); | |
184 | void dump(Formatter *f) const; | |
185 | static void generate_test_instance(list<bluefs_transaction_t*>& ls); | |
186 | }; | |
187 | WRITE_CLASS_ENCODER(bluefs_transaction_t) | |
188 | ||
189 | ostream& operator<<(ostream& out, const bluefs_transaction_t& t); | |
190 | ||
191 | #endif |