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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2001, 2015 Oracle and/or its affiliates. All rights reserved.
*
* $Id$
*/
DBPRIVATE
PREFIX __fop
INCLUDE #include "db_int.h"
INCLUDE #include "dbinc/crypto.h"
INCLUDE #include "dbinc/db_page.h"
INCLUDE #include "dbinc/db_am.h"
INCLUDE #include "dbinc/txn.h"
INCLUDE #include "dbinc/fop.h"
INCLUDE
/*
* create -- create a file system object.
*
* name: name in the file system
* appname: indicates if the name needs to go through __db_appname
* mode: file system mode
*/
BEGIN_COMPAT create 42 143
DBT name DBT s
ARG appname u_int32_t lu
ARG mode u_int32_t o
END
BEGIN_COMPAT create 60 143
DBT name DBT s
DBT dirname DBT s
ARG appname u_int32_t lu
ARG mode u_int32_t o
END
BEGIN create 60p1 143
DBT name DBT s
DBT dirname DBT s
ARG appname u_int32_t lu
ARG mode u_int32_t o
END
/*
* remove -- remove a file system object.
*
* name: name in the file system
* appname: indicates if the name needs to go through __db_appname
*/
BEGIN_COMPAT remove 60 144
DBT name DBT s
DBT fid DBT s
ARG appname u_int32_t lu
END
BEGIN remove 60p1 144
DBT name DBT s
DBT fid DBT s
ARG appname u_int32_t lu
END
/*
* write: log the writing of data into an object.
*
* name: file containing the page.
* appname: indicates if the name needs to go through __db_appname
* pgsize: page size.
* pageno: page number in the file.
* offset: offset on the page.
* page: the actual meta-data page.
* flag: non-0 indicates that this is a tempfile, so we needn't undo
* these modifications (we'll toss the file).
*/
BEGIN_COMPAT write 42 145
DBT name DBT s
ARG appname u_int32_t lu
ARG pgsize u_int32_t lu
ARG pageno db_pgno_t lu
ARG offset u_int32_t lu
DBT page DBT s
ARG flag u_int32_t lu
END
BEGIN_COMPAT write 60 145
DBT name DBT s
DBT dirname DBT s
ARG appname u_int32_t lu
ARG pgsize u_int32_t lu
ARG pageno db_pgno_t lu
ARG offset u_int32_t lu
DBT page DBT s
ARG flag u_int32_t lu
END
BEGIN write 60p1 145
DBT name DBT s
DBT dirname DBT s
ARG appname u_int32_t lu
ARG pgsize u_int32_t lu
ARG pageno db_pgno_t lu
ARG offset u_int32_t lu
DBT page DBT s
ARG flag u_int32_t lu
END
/*
* write_file: log the writing of data into a file.
*
* name: file containing the data.
* appname: indicates if the name needs to go through __db_appname
* offset_lo: offset in the file, low part of a 64 bit integer.
* offset_hi: offset in the file, high part of a 64 bit integer.
* old_data: Data being overwritten, if there is any
* new_data: Data being written to the file.
* flag: DB_FOP_APPEND (0x00000001), DB_FOP_CREATE (0x00000002) and
* DB_FOP_REDO (0x00000008). Used to tell how the operation can be
* undone, truncating in the case of append and deleting the file in
* the case of create, and whether enough information was logged so
* that the operation can be redone.
*/
BEGIN_COMPAT write_file 60 86
DBT name DBT s
DBT dirname DBT s
ARG appname u_int32_t lu
ARG offset_lo u_int32_t lu
ARG offset_hi u_int32_t lu
DBT old_data DBT s
DBT new_data DBT s
ARG flag u_int32_t lu
END
BEGIN write_file 60p1 86
DBT name DBT s
DBT dirname DBT s
ARG appname u_int32_t lu
LONGARG offset u_int64_t llu
DBT old_data DBT s
DBT new_data DBT s
ARG flag u_int32_t lu
END
/*
* rename: move a file from one name to another.
* The appname value indicates if this is a path name that should be used
* directly (i.e., no interpretation) or if it is a pathname that should
* be interpreted via calls to __db_appname. The fileid is the 20-byte
* DB fileid of the file being renamed. We need to check it on recovery
* so that we don't inadvertently overwrite good files.
*
* There are two variants of this log record: one that must be both done
* and undone and one that is not undone (used for renaming tmp files, see
* SR #15119)
*
* These two record types use the same structure, read, and print functions,
* but have different recovery functions.
*/
BEGIN_COMPAT rename 42 146
DUPLICATE rename_noundo 46 150
DBT oldname DBT s
DBT newname DBT s
DBT fileid DBT s
ARG appname u_int32_t lu
END
BEGIN_COMPAT rename 60 146
DUPLICATE rename_noundo 60 150
DBT oldname DBT s
DBT newname DBT s
DBT dirname DBT s
DBT fileid DBT s
ARG appname u_int32_t lu
END
BEGIN rename 60p1 146
DUPLICATE rename_noundo 60p1 150
DBT oldname DBT s
DBT newname DBT s
DBT dirname DBT s
DBT fileid DBT s
ARG appname u_int32_t lu
END
/*
* File removal record. This is a DB-level log record that indicates
* we've just completed some form of file removal. The purpose of this
* log record is to logically identify the particular instance of the
* named file so that during recovery, in deciding if we should roll-forward
* a remove or a rename, we can make sure that we don't roll one forward and
* delete or overwrite the wrong file.
* real_fid: The 20-byte unique file identifier of the original file being
* removed.
* tmp_fid: The unique fid of the tmp file that is removed.
* name: The pre- __db_appname name of the file
* child: The transaction that removed or renamed the file.
*/
*/
BEGIN_COMPAT file_remove 60 141
DBT real_fid DBT s
DBT tmp_fid DBT s
DBT name DBT s
ARG appname u_int32_t lu
ARG child u_int32_t lx
END
BEGIN file_remove 60p1 141
DBT real_fid DBT s
DBT tmp_fid DBT s
DBT name DBT s
ARG appname u_int32_t lu
ARG child u_int32_t lx
END
|
