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1da177e4 | 1 | /* |
7b718769 NS |
2 | * Copyright (c) 2000-2002,2005 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 LT |
17 | */ |
18 | #ifndef __XFS_ERROR_H__ | |
19 | #define __XFS_ERROR_H__ | |
20 | ||
1da177e4 LT |
21 | #ifdef DEBUG |
22 | #define XFS_ERROR_NTRAP 10 | |
23 | extern int xfs_etrap[XFS_ERROR_NTRAP]; | |
24 | extern int xfs_error_trap(int); | |
25 | #define XFS_ERROR(e) xfs_error_trap(e) | |
26 | #else | |
27 | #define XFS_ERROR(e) (e) | |
28 | #endif | |
29 | ||
30 | struct xfs_mount; | |
31 | ||
a0e856b0 AE |
32 | extern void xfs_error_report(const char *tag, int level, struct xfs_mount *mp, |
33 | const char *filename, int linenum, inst_t *ra); | |
34 | extern void xfs_corruption_error(const char *tag, int level, | |
35 | struct xfs_mount *mp, void *p, const char *filename, | |
36 | int linenum, inst_t *ra); | |
1da177e4 | 37 | |
1da177e4 LT |
38 | #define XFS_ERROR_REPORT(e, lvl, mp) \ |
39 | xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address) | |
40 | #define XFS_CORRUPTION_ERROR(e, lvl, mp, mem) \ | |
41 | xfs_corruption_error(e, lvl, mp, mem, \ | |
42 | __FILE__, __LINE__, __return_address) | |
43 | ||
44 | #define XFS_ERRLEVEL_OFF 0 | |
45 | #define XFS_ERRLEVEL_LOW 1 | |
46 | #define XFS_ERRLEVEL_HIGH 5 | |
47 | ||
a844f451 NS |
48 | /* |
49 | * Macros to set EFSCORRUPTED & return/branch. | |
50 | */ | |
51 | #define XFS_WANT_CORRUPTED_GOTO(x,l) \ | |
52 | { \ | |
53 | int fs_is_ok = (x); \ | |
54 | ASSERT(fs_is_ok); \ | |
55 | if (unlikely(!fs_is_ok)) { \ | |
56 | XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \ | |
57 | XFS_ERRLEVEL_LOW, NULL); \ | |
58 | error = XFS_ERROR(EFSCORRUPTED); \ | |
59 | goto l; \ | |
60 | } \ | |
61 | } | |
62 | ||
63 | #define XFS_WANT_CORRUPTED_RETURN(x) \ | |
64 | { \ | |
65 | int fs_is_ok = (x); \ | |
66 | ASSERT(fs_is_ok); \ | |
67 | if (unlikely(!fs_is_ok)) { \ | |
68 | XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \ | |
69 | XFS_ERRLEVEL_LOW, NULL); \ | |
70 | return XFS_ERROR(EFSCORRUPTED); \ | |
71 | } \ | |
72 | } | |
73 | ||
1da177e4 LT |
74 | /* |
75 | * error injection tags - the labels can be anything you want | |
76 | * but each tag should have its own unique number | |
77 | */ | |
78 | ||
79 | #define XFS_ERRTAG_NOERROR 0 | |
80 | #define XFS_ERRTAG_IFLUSH_1 1 | |
81 | #define XFS_ERRTAG_IFLUSH_2 2 | |
82 | #define XFS_ERRTAG_IFLUSH_3 3 | |
83 | #define XFS_ERRTAG_IFLUSH_4 4 | |
84 | #define XFS_ERRTAG_IFLUSH_5 5 | |
85 | #define XFS_ERRTAG_IFLUSH_6 6 | |
86 | #define XFS_ERRTAG_DA_READ_BUF 7 | |
87 | #define XFS_ERRTAG_BTREE_CHECK_LBLOCK 8 | |
88 | #define XFS_ERRTAG_BTREE_CHECK_SBLOCK 9 | |
89 | #define XFS_ERRTAG_ALLOC_READ_AGF 10 | |
90 | #define XFS_ERRTAG_IALLOC_READ_AGI 11 | |
91 | #define XFS_ERRTAG_ITOBP_INOTOBP 12 | |
92 | #define XFS_ERRTAG_IUNLINK 13 | |
93 | #define XFS_ERRTAG_IUNLINK_REMOVE 14 | |
94 | #define XFS_ERRTAG_DIR_INO_VALIDATE 15 | |
95 | #define XFS_ERRTAG_BULKSTAT_READ_CHUNK 16 | |
96 | #define XFS_ERRTAG_IODONE_IOERR 17 | |
97 | #define XFS_ERRTAG_STRATREAD_IOERR 18 | |
98 | #define XFS_ERRTAG_STRATCMPL_IOERR 19 | |
99 | #define XFS_ERRTAG_DIOWRITE_IOERR 20 | |
100 | #define XFS_ERRTAG_BMAPIFORMAT 21 | |
101 | #define XFS_ERRTAG_MAX 22 | |
102 | ||
103 | /* | |
104 | * Random factors for above tags, 1 means always, 2 means 1/2 time, etc. | |
105 | */ | |
106 | #define XFS_RANDOM_DEFAULT 100 | |
107 | #define XFS_RANDOM_IFLUSH_1 XFS_RANDOM_DEFAULT | |
108 | #define XFS_RANDOM_IFLUSH_2 XFS_RANDOM_DEFAULT | |
109 | #define XFS_RANDOM_IFLUSH_3 XFS_RANDOM_DEFAULT | |
110 | #define XFS_RANDOM_IFLUSH_4 XFS_RANDOM_DEFAULT | |
111 | #define XFS_RANDOM_IFLUSH_5 XFS_RANDOM_DEFAULT | |
112 | #define XFS_RANDOM_IFLUSH_6 XFS_RANDOM_DEFAULT | |
113 | #define XFS_RANDOM_DA_READ_BUF XFS_RANDOM_DEFAULT | |
114 | #define XFS_RANDOM_BTREE_CHECK_LBLOCK (XFS_RANDOM_DEFAULT/4) | |
115 | #define XFS_RANDOM_BTREE_CHECK_SBLOCK XFS_RANDOM_DEFAULT | |
116 | #define XFS_RANDOM_ALLOC_READ_AGF XFS_RANDOM_DEFAULT | |
117 | #define XFS_RANDOM_IALLOC_READ_AGI XFS_RANDOM_DEFAULT | |
118 | #define XFS_RANDOM_ITOBP_INOTOBP XFS_RANDOM_DEFAULT | |
119 | #define XFS_RANDOM_IUNLINK XFS_RANDOM_DEFAULT | |
120 | #define XFS_RANDOM_IUNLINK_REMOVE XFS_RANDOM_DEFAULT | |
121 | #define XFS_RANDOM_DIR_INO_VALIDATE XFS_RANDOM_DEFAULT | |
122 | #define XFS_RANDOM_BULKSTAT_READ_CHUNK XFS_RANDOM_DEFAULT | |
123 | #define XFS_RANDOM_IODONE_IOERR (XFS_RANDOM_DEFAULT/10) | |
124 | #define XFS_RANDOM_STRATREAD_IOERR (XFS_RANDOM_DEFAULT/10) | |
125 | #define XFS_RANDOM_STRATCMPL_IOERR (XFS_RANDOM_DEFAULT/10) | |
126 | #define XFS_RANDOM_DIOWRITE_IOERR (XFS_RANDOM_DEFAULT/10) | |
127 | #define XFS_RANDOM_BMAPIFORMAT XFS_RANDOM_DEFAULT | |
128 | ||
1550d0b0 | 129 | #ifdef DEBUG |
c76febef | 130 | extern int xfs_error_test_active; |
a844f451 | 131 | extern int xfs_error_test(int, int *, char *, int, char *, unsigned long); |
1da177e4 LT |
132 | |
133 | #define XFS_NUM_INJECT_ERROR 10 | |
1da177e4 | 134 | #define XFS_TEST_ERROR(expr, mp, tag, rf) \ |
c76febef | 135 | ((expr) || (xfs_error_test_active && \ |
1da177e4 | 136 | xfs_error_test((tag), (mp)->m_fixedfsid, "expr", __LINE__, __FILE__, \ |
c76febef | 137 | (rf)))) |
1da177e4 | 138 | |
a844f451 | 139 | extern int xfs_errortag_add(int error_tag, xfs_mount_t *mp); |
0ce4cfd4 | 140 | extern int xfs_errortag_clearall(xfs_mount_t *mp, int loud); |
1da177e4 LT |
141 | #else |
142 | #define XFS_TEST_ERROR(expr, mp, tag, rf) (expr) | |
143 | #define xfs_errortag_add(tag, mp) (ENOSYS) | |
0ce4cfd4 | 144 | #define xfs_errortag_clearall(mp, loud) (ENOSYS) |
1550d0b0 | 145 | #endif /* DEBUG */ |
1da177e4 LT |
146 | |
147 | /* | |
148 | * XFS panic tags -- allow a call to xfs_cmn_err() be turned into | |
149 | * a panic by setting xfs_panic_mask in a | |
150 | * sysctl. update xfs_max[XFS_PARAM] if | |
151 | * more are added. | |
152 | */ | |
153 | #define XFS_NO_PTAG 0 | |
154 | #define XFS_PTAG_IFLUSH 0x00000001 | |
155 | #define XFS_PTAG_LOGRES 0x00000002 | |
156 | #define XFS_PTAG_AILDELETE 0x00000004 | |
157 | #define XFS_PTAG_ERROR_REPORT 0x00000008 | |
158 | #define XFS_PTAG_SHUTDOWN_CORRUPT 0x00000010 | |
159 | #define XFS_PTAG_SHUTDOWN_IOERROR 0x00000020 | |
160 | #define XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040 | |
572d95f4 | 161 | #define XFS_PTAG_FSBLOCK_ZERO 0x00000080 |
1da177e4 LT |
162 | |
163 | struct xfs_mount; | |
efc55757 CH |
164 | |
165 | extern void xfs_fs_vcmn_err(int level, struct xfs_mount *mp, | |
166 | char *fmt, va_list ap) | |
167 | __attribute__ ((format (printf, 3, 0))); | |
a844f451 | 168 | extern void xfs_cmn_err(int panic_tag, int level, struct xfs_mount *mp, |
efc55757 CH |
169 | char *fmt, ...) |
170 | __attribute__ ((format (printf, 4, 5))); | |
171 | extern void xfs_fs_cmn_err(int level, struct xfs_mount *mp, char *fmt, ...) | |
172 | __attribute__ ((format (printf, 3, 4))); | |
1da177e4 | 173 | |
d4f3cc01 ES |
174 | extern void xfs_hex_dump(void *p, int length); |
175 | ||
3762ec6b NS |
176 | #define xfs_fs_repair_cmn_err(level, mp, fmt, args...) \ |
177 | xfs_fs_cmn_err(level, mp, fmt " Unmount and run xfs_repair.", ## args) | |
178 | ||
764d1f89 | 179 | #define xfs_fs_mount_cmn_err(f, fmt, args...) \ |
dac61f52 | 180 | ((f & XFS_MFSI_QUIET)? (void)0 : cmn_err(CE_WARN, "XFS: " fmt, ## args)) |
764d1f89 | 181 | |
1da177e4 | 182 | #endif /* __XFS_ERROR_H__ */ |