Commit | Line | Data |
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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]; | |
c76febef | 61 | int xfs_error_test_active; |
1da177e4 | 62 | |
1da177e4 LT |
63 | int |
64 | xfs_error_test(int error_tag, int *fsidp, char *expression, | |
65 | int line, char *file, unsigned long randfactor) | |
66 | { | |
67 | int i; | |
68 | int64_t fsid; | |
69 | ||
e7a23a9b | 70 | if (random32() % randfactor) |
1da177e4 LT |
71 | return 0; |
72 | ||
73 | memcpy(&fsid, fsidp, sizeof(xfs_fsid_t)); | |
74 | ||
75 | for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) { | |
76 | if (xfs_etest[i] == error_tag && xfs_etest_fsid[i] == fsid) { | |
77 | cmn_err(CE_WARN, | |
78 | "Injecting error (%s) at file %s, line %d, on filesystem \"%s\"", | |
79 | expression, file, line, xfs_etest_fsname[i]); | |
80 | return 1; | |
81 | } | |
82 | } | |
83 | ||
84 | return 0; | |
85 | } | |
86 | ||
87 | int | |
88 | xfs_errortag_add(int error_tag, xfs_mount_t *mp) | |
89 | { | |
90 | int i; | |
91 | int len; | |
92 | int64_t fsid; | |
93 | ||
94 | memcpy(&fsid, mp->m_fixedfsid, sizeof(xfs_fsid_t)); | |
95 | ||
96 | for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) { | |
97 | if (xfs_etest_fsid[i] == fsid && xfs_etest[i] == error_tag) { | |
98 | cmn_err(CE_WARN, "XFS error tag #%d on", error_tag); | |
99 | return 0; | |
100 | } | |
101 | } | |
102 | ||
103 | for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) { | |
104 | if (xfs_etest[i] == 0) { | |
105 | cmn_err(CE_WARN, "Turned on XFS error tag #%d", | |
106 | error_tag); | |
107 | xfs_etest[i] = error_tag; | |
108 | xfs_etest_fsid[i] = fsid; | |
109 | len = strlen(mp->m_fsname); | |
110 | xfs_etest_fsname[i] = kmem_alloc(len + 1, KM_SLEEP); | |
111 | strcpy(xfs_etest_fsname[i], mp->m_fsname); | |
c76febef | 112 | xfs_error_test_active++; |
1da177e4 LT |
113 | return 0; |
114 | } | |
115 | } | |
116 | ||
117 | cmn_err(CE_WARN, "error tag overflow, too many turned on"); | |
118 | ||
119 | return 1; | |
120 | } | |
121 | ||
1da177e4 | 122 | int |
0ce4cfd4 | 123 | xfs_errortag_clearall(xfs_mount_t *mp, int loud) |
1da177e4 | 124 | { |
0ce4cfd4 | 125 | int64_t fsid; |
1da177e4 | 126 | int cleared = 0; |
0ce4cfd4 CH |
127 | int i; |
128 | ||
129 | memcpy(&fsid, mp->m_fixedfsid, sizeof(xfs_fsid_t)); | |
130 | ||
1da177e4 LT |
131 | |
132 | for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) { | |
133 | if ((fsid == 0LL || xfs_etest_fsid[i] == fsid) && | |
134 | xfs_etest[i] != 0) { | |
135 | cleared = 1; | |
136 | cmn_err(CE_WARN, "Clearing XFS error tag #%d", | |
137 | xfs_etest[i]); | |
138 | xfs_etest[i] = 0; | |
139 | xfs_etest_fsid[i] = 0LL; | |
f0e2d93c | 140 | kmem_free(xfs_etest_fsname[i]); |
1da177e4 | 141 | xfs_etest_fsname[i] = NULL; |
c76febef | 142 | xfs_error_test_active--; |
1da177e4 LT |
143 | } |
144 | } | |
145 | ||
146 | if (loud || cleared) | |
147 | cmn_err(CE_WARN, | |
148 | "Cleared all XFS error tags for filesystem \"%s\"", | |
0ce4cfd4 | 149 | mp->m_fsname); |
1da177e4 LT |
150 | |
151 | return 0; | |
152 | } | |
1550d0b0 | 153 | #endif /* DEBUG */ |
1da177e4 | 154 | |
1da177e4 LT |
155 | |
156 | void | |
157 | xfs_fs_cmn_err(int level, xfs_mount_t *mp, char *fmt, ...) | |
158 | { | |
159 | va_list ap; | |
160 | ||
161 | va_start(ap, fmt); | |
162 | xfs_fs_vcmn_err(level, mp, fmt, ap); | |
163 | va_end(ap); | |
164 | } | |
165 | ||
166 | void | |
167 | xfs_cmn_err(int panic_tag, int level, xfs_mount_t *mp, char *fmt, ...) | |
168 | { | |
169 | va_list ap; | |
170 | ||
171 | #ifdef DEBUG | |
169a7b07 | 172 | xfs_panic_mask |= (XFS_PTAG_SHUTDOWN_CORRUPT | XFS_PTAG_LOGRES); |
1da177e4 LT |
173 | #endif |
174 | ||
175 | if (xfs_panic_mask && (xfs_panic_mask & panic_tag) | |
176 | && (level & CE_ALERT)) { | |
177 | level &= ~CE_ALERT; | |
178 | level |= CE_PANIC; | |
179 | cmn_err(CE_ALERT, "XFS: Transforming an alert into a BUG."); | |
180 | } | |
181 | va_start(ap, fmt); | |
182 | xfs_fs_vcmn_err(level, mp, fmt, ap); | |
183 | va_end(ap); | |
184 | } | |
185 | ||
186 | void | |
187 | xfs_error_report( | |
a0e856b0 AE |
188 | const char *tag, |
189 | int level, | |
190 | struct xfs_mount *mp, | |
191 | const char *filename, | |
192 | int linenum, | |
193 | inst_t *ra) | |
1da177e4 LT |
194 | { |
195 | if (level <= xfs_error_level) { | |
196 | xfs_cmn_err(XFS_PTAG_ERROR_REPORT, | |
197 | CE_ALERT, mp, | |
198 | "XFS internal error %s at line %d of file %s. Caller 0x%p\n", | |
a0e856b0 | 199 | tag, linenum, filename, ra); |
1da177e4 LT |
200 | |
201 | xfs_stack_trace(); | |
202 | } | |
203 | } | |
204 | ||
1da177e4 LT |
205 | void |
206 | xfs_corruption_error( | |
a0e856b0 AE |
207 | const char *tag, |
208 | int level, | |
209 | struct xfs_mount *mp, | |
210 | void *p, | |
211 | const char *filename, | |
212 | int linenum, | |
213 | inst_t *ra) | |
1da177e4 LT |
214 | { |
215 | if (level <= xfs_error_level) | |
216 | xfs_hex_dump(p, 16); | |
a0e856b0 | 217 | xfs_error_report(tag, level, mp, filename, linenum, ra); |
1da177e4 | 218 | } |