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1da177e4 | 1 | /* |
7b718769 NS |
2 | * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc. |
3 | * All Rights Reserved. | |
1da177e4 | 4 | * |
7b718769 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 | |
1da177e4 LT |
7 | * published by the Free Software Foundation. |
8 | * | |
7b718769 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. | |
1da177e4 | 13 | * |
7b718769 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 | |
1da177e4 | 17 | */ |
1da177e4 | 18 | #include "xfs.h" |
a844f451 | 19 | #include "xfs_fs.h" |
1da177e4 | 20 | #include "xfs_types.h" |
1da177e4 | 21 | #include "xfs_log.h" |
a844f451 | 22 | #include "xfs_inum.h" |
1da177e4 | 23 | #include "xfs_trans.h" |
a844f451 | 24 | #include "xfs_sb.h" |
da353b0d | 25 | #include "xfs_ag.h" |
1da177e4 LT |
26 | #include "xfs_mount.h" |
27 | #include "xfs_bmap_btree.h" | |
1da177e4 LT |
28 | #include "xfs_dinode.h" |
29 | #include "xfs_inode.h" | |
30 | #include "xfs_utils.h" | |
31 | #include "xfs_error.h" | |
32 | ||
33 | #ifdef DEBUG | |
34 | ||
35 | int xfs_etrap[XFS_ERROR_NTRAP] = { | |
36 | 0, | |
37 | }; | |
38 | ||
39 | int | |
40 | xfs_error_trap(int e) | |
41 | { | |
42 | int i; | |
43 | ||
44 | if (!e) | |
45 | return 0; | |
46 | for (i = 0; i < XFS_ERROR_NTRAP; i++) { | |
47 | if (xfs_etrap[i] == 0) | |
48 | break; | |
49 | if (e != xfs_etrap[i]) | |
50 | continue; | |
51 | cmn_err(CE_NOTE, "xfs_error_trap: error %d", e); | |
1da177e4 LT |
52 | BUG(); |
53 | break; | |
54 | } | |
55 | return e; | |
56 | } | |
1da177e4 LT |
57 | |
58 | int xfs_etest[XFS_NUM_INJECT_ERROR]; | |
59 | int64_t xfs_etest_fsid[XFS_NUM_INJECT_ERROR]; | |
60 | char * xfs_etest_fsname[XFS_NUM_INJECT_ERROR]; | |
61 | ||
1da177e4 LT |
62 | int |
63 | xfs_error_test(int error_tag, int *fsidp, char *expression, | |
64 | int line, char *file, unsigned long randfactor) | |
65 | { | |
66 | int i; | |
67 | int64_t fsid; | |
68 | ||
e7a23a9b | 69 | if (random32() % randfactor) |
1da177e4 LT |
70 | return 0; |
71 | ||
72 | memcpy(&fsid, fsidp, sizeof(xfs_fsid_t)); | |
73 | ||
74 | for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) { | |
75 | if (xfs_etest[i] == error_tag && xfs_etest_fsid[i] == fsid) { | |
76 | cmn_err(CE_WARN, | |
77 | "Injecting error (%s) at file %s, line %d, on filesystem \"%s\"", | |
78 | expression, file, line, xfs_etest_fsname[i]); | |
79 | return 1; | |
80 | } | |
81 | } | |
82 | ||
83 | return 0; | |
84 | } | |
85 | ||
86 | int | |
87 | xfs_errortag_add(int error_tag, xfs_mount_t *mp) | |
88 | { | |
89 | int i; | |
90 | int len; | |
91 | int64_t fsid; | |
92 | ||
93 | memcpy(&fsid, mp->m_fixedfsid, sizeof(xfs_fsid_t)); | |
94 | ||
95 | for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) { | |
96 | if (xfs_etest_fsid[i] == fsid && xfs_etest[i] == error_tag) { | |
97 | cmn_err(CE_WARN, "XFS error tag #%d on", error_tag); | |
98 | return 0; | |
99 | } | |
100 | } | |
101 | ||
102 | for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) { | |
103 | if (xfs_etest[i] == 0) { | |
104 | cmn_err(CE_WARN, "Turned on XFS error tag #%d", | |
105 | error_tag); | |
106 | xfs_etest[i] = error_tag; | |
107 | xfs_etest_fsid[i] = fsid; | |
108 | len = strlen(mp->m_fsname); | |
109 | xfs_etest_fsname[i] = kmem_alloc(len + 1, KM_SLEEP); | |
110 | strcpy(xfs_etest_fsname[i], mp->m_fsname); | |
111 | return 0; | |
112 | } | |
113 | } | |
114 | ||
115 | cmn_err(CE_WARN, "error tag overflow, too many turned on"); | |
116 | ||
117 | return 1; | |
118 | } | |
119 | ||
1da177e4 | 120 | int |
0ce4cfd4 | 121 | xfs_errortag_clearall(xfs_mount_t *mp, int loud) |
1da177e4 | 122 | { |
0ce4cfd4 | 123 | int64_t fsid; |
1da177e4 | 124 | int cleared = 0; |
0ce4cfd4 CH |
125 | int i; |
126 | ||
127 | memcpy(&fsid, mp->m_fixedfsid, sizeof(xfs_fsid_t)); | |
128 | ||
1da177e4 LT |
129 | |
130 | for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) { | |
131 | if ((fsid == 0LL || xfs_etest_fsid[i] == fsid) && | |
132 | xfs_etest[i] != 0) { | |
133 | cleared = 1; | |
134 | cmn_err(CE_WARN, "Clearing XFS error tag #%d", | |
135 | xfs_etest[i]); | |
136 | xfs_etest[i] = 0; | |
137 | xfs_etest_fsid[i] = 0LL; | |
f0e2d93c | 138 | kmem_free(xfs_etest_fsname[i]); |
1da177e4 LT |
139 | xfs_etest_fsname[i] = NULL; |
140 | } | |
141 | } | |
142 | ||
143 | if (loud || cleared) | |
144 | cmn_err(CE_WARN, | |
145 | "Cleared all XFS error tags for filesystem \"%s\"", | |
0ce4cfd4 | 146 | mp->m_fsname); |
1da177e4 LT |
147 | |
148 | return 0; | |
149 | } | |
1550d0b0 | 150 | #endif /* DEBUG */ |
1da177e4 | 151 | |
1da177e4 LT |
152 | |
153 | void | |
154 | xfs_fs_cmn_err(int level, xfs_mount_t *mp, char *fmt, ...) | |
155 | { | |
156 | va_list ap; | |
157 | ||
158 | va_start(ap, fmt); | |
159 | xfs_fs_vcmn_err(level, mp, fmt, ap); | |
160 | va_end(ap); | |
161 | } | |
162 | ||
163 | void | |
164 | xfs_cmn_err(int panic_tag, int level, xfs_mount_t *mp, char *fmt, ...) | |
165 | { | |
166 | va_list ap; | |
167 | ||
168 | #ifdef DEBUG | |
169a7b07 | 169 | xfs_panic_mask |= (XFS_PTAG_SHUTDOWN_CORRUPT | XFS_PTAG_LOGRES); |
1da177e4 LT |
170 | #endif |
171 | ||
172 | if (xfs_panic_mask && (xfs_panic_mask & panic_tag) | |
173 | && (level & CE_ALERT)) { | |
174 | level &= ~CE_ALERT; | |
175 | level |= CE_PANIC; | |
176 | cmn_err(CE_ALERT, "XFS: Transforming an alert into a BUG."); | |
177 | } | |
178 | va_start(ap, fmt); | |
179 | xfs_fs_vcmn_err(level, mp, fmt, ap); | |
180 | va_end(ap); | |
181 | } | |
182 | ||
183 | void | |
184 | xfs_error_report( | |
a0e856b0 AE |
185 | const char *tag, |
186 | int level, | |
187 | struct xfs_mount *mp, | |
188 | const char *filename, | |
189 | int linenum, | |
190 | inst_t *ra) | |
1da177e4 LT |
191 | { |
192 | if (level <= xfs_error_level) { | |
193 | xfs_cmn_err(XFS_PTAG_ERROR_REPORT, | |
194 | CE_ALERT, mp, | |
195 | "XFS internal error %s at line %d of file %s. Caller 0x%p\n", | |
a0e856b0 | 196 | tag, linenum, filename, ra); |
1da177e4 LT |
197 | |
198 | xfs_stack_trace(); | |
199 | } | |
200 | } | |
201 | ||
1da177e4 LT |
202 | void |
203 | xfs_corruption_error( | |
a0e856b0 AE |
204 | const char *tag, |
205 | int level, | |
206 | struct xfs_mount *mp, | |
207 | void *p, | |
208 | const char *filename, | |
209 | int linenum, | |
210 | inst_t *ra) | |
1da177e4 LT |
211 | { |
212 | if (level <= xfs_error_level) | |
213 | xfs_hex_dump(p, 16); | |
a0e856b0 | 214 | xfs_error_report(tag, level, mp, filename, linenum, ra); |
1da177e4 | 215 | } |