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Commit | Line | Data |
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2bd0ea18 | 1 | /* |
da23017d NS |
2 | * Copyright (c) 2000-2004 Silicon Graphics, Inc. |
3 | * All Rights Reserved. | |
dfc130f3 | 4 | * |
da23017d NS |
5 | * This program is free software; you can redistribute it and/or |
6 | * modify it under the terms of the GNU General Public License as | |
2bd0ea18 | 7 | * published by the Free Software Foundation. |
dfc130f3 | 8 | * |
da23017d NS |
9 | * This program is distributed in the hope that it would be useful, |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
dfc130f3 | 13 | * |
da23017d NS |
14 | * You should have received a copy of the GNU General Public License |
15 | * along with this program; if not, write the Free Software Foundation, | |
16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
2bd0ea18 NS |
17 | */ |
18 | ||
19 | #include "logprint.h" | |
5000d01d SL |
20 | #include <sys/types.h> |
21 | #include <sys/stat.h> | |
2bd0ea18 | 22 | |
873b7c85 GO |
23 | #define OP_PRINT 0 |
24 | #define OP_PRINT_TRANS 1 | |
25 | #define OP_DUMP 2 | |
26 | #define OP_COPY 3 | |
27 | ||
2bd0ea18 NS |
28 | int print_data; |
29 | int print_only_data; | |
30 | int print_inode; | |
31 | int print_quota; | |
32 | int print_buffer; | |
2bd0ea18 NS |
33 | int print_overwrite; |
34 | int print_no_data; | |
35 | int print_no_print; | |
36 | int print_exit = 1; /* -e is now default. specify -c to override */ | |
873b7c85 | 37 | int print_operation = OP_PRINT; |
2bd0ea18 NS |
38 | |
39 | void | |
40 | usage(void) | |
41 | { | |
42 | fprintf(stderr, "Usage: %s [options...] <device>\n\n\ | |
43 | Options:\n\ | |
44 | -c try to continue if error found in log\n\ | |
873b7c85 GO |
45 | -C <filename> copy the log from the filesystem to filename\n\ |
46 | -d dump the log in log-record format\n\ | |
49d4ff13 | 47 | -f specified device is actually a file\n\ |
2bd0ea18 NS |
48 | -l <device> filename of external log\n\ |
49 | -n don't try and interpret log data\n\ | |
50 | -o print buffer data in hex\n\ | |
51 | -s <start blk> block # to start printing\n\ | |
52 | -v print \"overwrite\" data\n\ | |
53 | -t print out transactional view\n\ | |
dfc130f3 RC |
54 | -b in transactional view, extract buffer info\n\ |
55 | -i in transactional view, extract inode info\n\ | |
56 | -q in transactional view, extract quota info\n\ | |
2bd0ea18 | 57 | -D print only data; no decoding\n\ |
dfc130f3 RC |
58 | -V print version information\n", |
59 | progname); | |
2bd0ea18 NS |
60 | exit(1); |
61 | } | |
62 | ||
63 | int | |
873b7c85 | 64 | logstat(xfs_mount_t *mp) |
2bd0ea18 NS |
65 | { |
66 | int fd; | |
67 | char buf[BBSIZE]; | |
68 | xfs_sb_t *sb; | |
69 | ||
70 | /* On Linux we always read the superblock of the | |
71 | * filesystem. We need this to get the length of the | |
72 | * log. Otherwise we end up seeking forever. -- mkp | |
73 | */ | |
873b7c85 | 74 | if ((fd = open(x.dname, O_RDONLY)) == -1) { |
2bd0ea18 | 75 | fprintf(stderr, " Can't open device %s: %s\n", |
873b7c85 | 76 | x.dname, strerror(errno)); |
2bd0ea18 NS |
77 | exit(1); |
78 | } | |
79 | lseek64(fd, 0, SEEK_SET); | |
80 | if (read(fd, buf, sizeof(buf)) != sizeof(buf)) { | |
81 | fprintf(stderr, " read of XFS superblock failed\n"); | |
82 | exit(1); | |
dfc130f3 RC |
83 | } |
84 | close (fd); | |
2bd0ea18 | 85 | |
873b7c85 | 86 | if (!x.disfile) { |
dfc130f3 RC |
87 | /* |
88 | * Conjure up a mount structure | |
5000d01d | 89 | */ |
46eca962 | 90 | libxfs_xlate_sb(buf, &(mp->m_sb), 1, XFS_SB_ALL_BITS); |
873b7c85 GO |
91 | sb = &(mp->m_sb); |
92 | mp->m_blkbb_log = sb->sb_blocklog - BBSHIFT; | |
5000d01d | 93 | |
873b7c85 GO |
94 | x.logBBsize = XFS_FSB_TO_BB(mp, sb->sb_logblocks); |
95 | x.logBBstart = XFS_FSB_TO_DADDR(mp, sb->sb_logstart); | |
96 | if (!x.logname && sb->sb_logstart == 0) { | |
5000d01d SL |
97 | fprintf(stderr, " external log device not specified\n\n"); |
98 | usage(); | |
99 | /*NOTREACHED*/ | |
dfc130f3 | 100 | } |
5000d01d SL |
101 | } else { |
102 | struct stat s; | |
2bd0ea18 | 103 | |
873b7c85 GO |
104 | stat(x.dname, &s); |
105 | x.logBBsize = s.st_size >> 9; | |
106 | x.logBBstart = 0; | |
5000d01d | 107 | } |
2bd0ea18 | 108 | |
2bd0ea18 | 109 | |
873b7c85 GO |
110 | if (x.logname && *x.logname) { /* External log */ |
111 | if ((fd = open(x.logname, O_RDONLY)) == -1) { | |
2bd0ea18 | 112 | fprintf(stderr, "Can't open file %s: %s\n", |
873b7c85 | 113 | x.logname, strerror(errno)); |
2bd0ea18 NS |
114 | exit(1); |
115 | } | |
dfc130f3 | 116 | close(fd); |
2bd0ea18 | 117 | } else { /* Internal log */ |
873b7c85 | 118 | x.logdev = x.ddev; |
2bd0ea18 NS |
119 | } |
120 | ||
121 | return 0; | |
122 | } | |
123 | ||
124 | int | |
125 | main(int argc, char **argv) | |
126 | { | |
127 | int print_start = -1; | |
128 | int c; | |
dfc130f3 | 129 | int logfd; |
873b7c85 | 130 | char *copy_file = NULL; |
dfc130f3 | 131 | xlog_t log = {0}; |
873b7c85 | 132 | xfs_mount_t mount; |
2bd0ea18 NS |
133 | |
134 | progname = basename(argv[0]); | |
873b7c85 | 135 | while ((c = getopt(argc, argv, "bC:cdefl:iqnors:tDVv")) != EOF) { |
2bd0ea18 | 136 | switch (c) { |
873b7c85 | 137 | case 'D': |
2bd0ea18 NS |
138 | print_only_data++; |
139 | print_data++; | |
140 | break; | |
873b7c85 | 141 | case 'b': |
2bd0ea18 NS |
142 | print_buffer++; |
143 | break; | |
873b7c85 | 144 | case 'c': |
dfc130f3 RC |
145 | /* default is to stop on error. |
146 | * -c turns this off. | |
147 | */ | |
873b7c85 | 148 | print_exit = 0; |
2bd0ea18 | 149 | break; |
873b7c85 | 150 | case 'e': |
dfc130f3 RC |
151 | /* -e is now default |
152 | */ | |
2bd0ea18 NS |
153 | print_exit++; |
154 | break; | |
873b7c85 GO |
155 | case 'C': |
156 | print_operation = OP_COPY; | |
157 | copy_file = optarg; | |
158 | break; | |
159 | case 'd': | |
160 | print_operation = OP_DUMP; | |
161 | break; | |
162 | case 'f': | |
163 | print_skip_uuid++; | |
164 | x.disfile = 1; | |
165 | break; | |
166 | case 'l': | |
167 | x.logname = optarg; | |
168 | x.lisfile = 1; | |
169 | break; | |
170 | case 'i': | |
2bd0ea18 NS |
171 | print_inode++; |
172 | break; | |
873b7c85 | 173 | case 'q': |
2bd0ea18 NS |
174 | print_quota++; |
175 | break; | |
873b7c85 | 176 | case 'n': |
2bd0ea18 NS |
177 | print_no_data++; |
178 | break; | |
873b7c85 | 179 | case 'o': |
2bd0ea18 NS |
180 | print_data++; |
181 | break; | |
873b7c85 | 182 | case 's': |
2bd0ea18 NS |
183 | print_start = atoi(optarg); |
184 | break; | |
873b7c85 GO |
185 | case 't': |
186 | print_operation = OP_PRINT_TRANS; | |
2bd0ea18 | 187 | break; |
873b7c85 | 188 | case 'v': |
dfc130f3 RC |
189 | print_overwrite++; |
190 | break; | |
873b7c85 GO |
191 | case 'V': |
192 | printf("%s version %s\n", progname, VERSION); | |
193 | exit(0); | |
194 | case '?': | |
2bd0ea18 | 195 | usage(); |
dfc130f3 | 196 | } |
2bd0ea18 NS |
197 | } |
198 | ||
199 | if (argc - optind != 1) | |
200 | usage(); | |
201 | ||
202 | x.dname = argv[optind]; | |
203 | ||
204 | if (x.dname == NULL) | |
205 | usage(); | |
206 | ||
2bd0ea18 | 207 | x.isreadonly = LIBXFS_ISINACTIVE; |
dfc130f3 | 208 | printf("xfs_logprint:\n"); |
2bd0ea18 NS |
209 | if (!libxfs_init(&x)) |
210 | exit(1); | |
211 | ||
873b7c85 | 212 | logstat(&mount); |
2bd0ea18 | 213 | |
873b7c85 | 214 | logfd = (x.logfd < 0) ? x.dfd : x.logfd; |
dfc130f3 | 215 | |
5b64e00a NS |
216 | printf(" data device: 0x%llx\n", (unsigned long long)x.ddev); |
217 | ||
218 | if (x.logname) { | |
219 | printf(" log file: \"%s\" ", x.logname); | |
220 | } else { | |
221 | printf(" log device: 0x%llx ", (unsigned long long)x.logdev); | |
222 | } | |
223 | ||
224 | printf("daddr: %lld length: %lld\n\n", | |
225 | (long long)x.logBBstart, (long long)x.logBBsize); | |
226 | ||
2c794e6e | 227 | ASSERT(x.logBBsize <= INT_MAX); |
2bd0ea18 | 228 | |
873b7c85 | 229 | log.l_dev = x.logdev; |
2bd0ea18 NS |
230 | log.l_logsize = BBTOB(x.logBBsize); |
231 | log.l_logBBstart = x.logBBstart; | |
232 | log.l_logBBsize = x.logBBsize; | |
873b7c85 | 233 | log.l_mp = &mount; |
dfc130f3 | 234 | |
873b7c85 GO |
235 | switch (print_operation) { |
236 | case OP_PRINT: | |
e5269ec7 | 237 | xfs_log_print(&log, logfd, print_start); |
873b7c85 GO |
238 | break; |
239 | case OP_PRINT_TRANS: | |
e5269ec7 | 240 | xfs_log_print_trans(&log, print_start); |
873b7c85 GO |
241 | break; |
242 | case OP_DUMP: | |
243 | xfs_log_dump(&log, logfd, print_start); | |
244 | break; | |
245 | case OP_COPY: | |
246 | xfs_log_copy(&log, logfd, copy_file); | |
247 | break; | |
248 | } | |
2bd0ea18 NS |
249 | exit(0); |
250 | } |