2 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
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
7 * published by the Free Software Foundation.
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.
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
18 #ifndef __XFS_ERROR_H__
19 #define __XFS_ERROR_H__
23 extern void xfs_error_report(const char *tag, int level, struct xfs_mount *mp,
24 const char *filename, int linenum, void *ra);
25 extern void xfs_corruption_error(const char *tag, int level,
26 struct xfs_mount *mp, void *p, const char *filename,
27 int linenum, void *ra);
28 extern void xfs_verifier_error(struct xfs_buf *bp);
30 #define XFS_ERROR_REPORT(e, lvl, mp) \
31 xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address)
32 #define XFS_CORRUPTION_ERROR(e, lvl, mp, mem) \
33 xfs_corruption_error(e, lvl, mp, mem, \
34 __FILE__, __LINE__, __return_address)
36 #define XFS_ERRLEVEL_OFF 0
37 #define XFS_ERRLEVEL_LOW 1
38 #define XFS_ERRLEVEL_HIGH 5
41 * Macros to set EFSCORRUPTED & return/branch.
43 #define XFS_WANT_CORRUPTED_GOTO(mp, x, l) \
47 if (unlikely(!fs_is_ok)) { \
48 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \
49 XFS_ERRLEVEL_LOW, mp); \
50 error = -EFSCORRUPTED; \
55 #define XFS_WANT_CORRUPTED_RETURN(mp, x) \
59 if (unlikely(!fs_is_ok)) { \
60 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \
61 XFS_ERRLEVEL_LOW, mp); \
62 return -EFSCORRUPTED; \
67 * error injection tags - the labels can be anything you want
68 * but each tag should have its own unique number
71 #define XFS_ERRTAG_NOERROR 0
72 #define XFS_ERRTAG_IFLUSH_1 1
73 #define XFS_ERRTAG_IFLUSH_2 2
74 #define XFS_ERRTAG_IFLUSH_3 3
75 #define XFS_ERRTAG_IFLUSH_4 4
76 #define XFS_ERRTAG_IFLUSH_5 5
77 #define XFS_ERRTAG_IFLUSH_6 6
78 #define XFS_ERRTAG_DA_READ_BUF 7
79 #define XFS_ERRTAG_BTREE_CHECK_LBLOCK 8
80 #define XFS_ERRTAG_BTREE_CHECK_SBLOCK 9
81 #define XFS_ERRTAG_ALLOC_READ_AGF 10
82 #define XFS_ERRTAG_IALLOC_READ_AGI 11
83 #define XFS_ERRTAG_ITOBP_INOTOBP 12
84 #define XFS_ERRTAG_IUNLINK 13
85 #define XFS_ERRTAG_IUNLINK_REMOVE 14
86 #define XFS_ERRTAG_DIR_INO_VALIDATE 15
87 #define XFS_ERRTAG_BULKSTAT_READ_CHUNK 16
88 #define XFS_ERRTAG_IODONE_IOERR 17
89 #define XFS_ERRTAG_STRATREAD_IOERR 18
90 #define XFS_ERRTAG_STRATCMPL_IOERR 19
91 #define XFS_ERRTAG_DIOWRITE_IOERR 20
92 #define XFS_ERRTAG_BMAPIFORMAT 21
93 #define XFS_ERRTAG_FREE_EXTENT 22
94 #define XFS_ERRTAG_RMAP_FINISH_ONE 23
95 #define XFS_ERRTAG_REFCOUNT_CONTINUE_UPDATE 24
96 #define XFS_ERRTAG_REFCOUNT_FINISH_ONE 25
97 #define XFS_ERRTAG_BMAP_FINISH_ONE 26
98 #define XFS_ERRTAG_AG_RESV_CRITICAL 27
99 #define XFS_ERRTAG_MAX 28
102 * Random factors for above tags, 1 means always, 2 means 1/2 time, etc.
104 #define XFS_RANDOM_DEFAULT 100
105 #define XFS_RANDOM_IFLUSH_1 XFS_RANDOM_DEFAULT
106 #define XFS_RANDOM_IFLUSH_2 XFS_RANDOM_DEFAULT
107 #define XFS_RANDOM_IFLUSH_3 XFS_RANDOM_DEFAULT
108 #define XFS_RANDOM_IFLUSH_4 XFS_RANDOM_DEFAULT
109 #define XFS_RANDOM_IFLUSH_5 XFS_RANDOM_DEFAULT
110 #define XFS_RANDOM_IFLUSH_6 XFS_RANDOM_DEFAULT
111 #define XFS_RANDOM_DA_READ_BUF XFS_RANDOM_DEFAULT
112 #define XFS_RANDOM_BTREE_CHECK_LBLOCK (XFS_RANDOM_DEFAULT/4)
113 #define XFS_RANDOM_BTREE_CHECK_SBLOCK XFS_RANDOM_DEFAULT
114 #define XFS_RANDOM_ALLOC_READ_AGF XFS_RANDOM_DEFAULT
115 #define XFS_RANDOM_IALLOC_READ_AGI XFS_RANDOM_DEFAULT
116 #define XFS_RANDOM_ITOBP_INOTOBP XFS_RANDOM_DEFAULT
117 #define XFS_RANDOM_IUNLINK XFS_RANDOM_DEFAULT
118 #define XFS_RANDOM_IUNLINK_REMOVE XFS_RANDOM_DEFAULT
119 #define XFS_RANDOM_DIR_INO_VALIDATE XFS_RANDOM_DEFAULT
120 #define XFS_RANDOM_BULKSTAT_READ_CHUNK XFS_RANDOM_DEFAULT
121 #define XFS_RANDOM_IODONE_IOERR (XFS_RANDOM_DEFAULT/10)
122 #define XFS_RANDOM_STRATREAD_IOERR (XFS_RANDOM_DEFAULT/10)
123 #define XFS_RANDOM_STRATCMPL_IOERR (XFS_RANDOM_DEFAULT/10)
124 #define XFS_RANDOM_DIOWRITE_IOERR (XFS_RANDOM_DEFAULT/10)
125 #define XFS_RANDOM_BMAPIFORMAT XFS_RANDOM_DEFAULT
126 #define XFS_RANDOM_FREE_EXTENT 1
127 #define XFS_RANDOM_RMAP_FINISH_ONE 1
128 #define XFS_RANDOM_REFCOUNT_CONTINUE_UPDATE 1
129 #define XFS_RANDOM_REFCOUNT_FINISH_ONE 1
130 #define XFS_RANDOM_BMAP_FINISH_ONE 1
131 #define XFS_RANDOM_AG_RESV_CRITICAL 4
134 extern int xfs_error_test_active;
135 extern int xfs_error_test(int, int *, char *, int, char *, unsigned long);
137 #define XFS_NUM_INJECT_ERROR 10
138 #define XFS_TEST_ERROR(expr, mp, tag, rf) \
139 ((expr) || (xfs_error_test_active && \
140 xfs_error_test((tag), (mp)->m_fixedfsid, "expr", __LINE__, __FILE__, \
143 extern int xfs_errortag_add(unsigned int error_tag, struct xfs_mount *mp);
144 extern int xfs_errortag_clearall(struct xfs_mount *mp, int loud);
146 #define XFS_TEST_ERROR(expr, mp, tag, rf) (expr)
147 #define xfs_errortag_add(tag, mp) (ENOSYS)
148 #define xfs_errortag_clearall(mp, loud) (ENOSYS)
152 * XFS panic tags -- allow a call to xfs_alert_tag() be turned into
153 * a panic by setting xfs_panic_mask in a sysctl.
155 #define XFS_NO_PTAG 0
156 #define XFS_PTAG_IFLUSH 0x00000001
157 #define XFS_PTAG_LOGRES 0x00000002
158 #define XFS_PTAG_AILDELETE 0x00000004
159 #define XFS_PTAG_ERROR_REPORT 0x00000008
160 #define XFS_PTAG_SHUTDOWN_CORRUPT 0x00000010
161 #define XFS_PTAG_SHUTDOWN_IOERROR 0x00000020
162 #define XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040
163 #define XFS_PTAG_FSBLOCK_ZERO 0x00000080
165 #endif /* __XFS_ERROR_H__ */